UPSA Object Registry
Registry · exoplanet

ups And d

Exoplanet
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
01h 36m 47.60s
Declination
+41° 24′ 13.7″
Galactic l, b
132, -20.67
Magnitude V
4.096
Distance
13.405 pc

Planet

NASA Exoplanet Archive, composite parameters
Host starups And · F8 V
DiscoveryRadial Velocity, 1999 · Multiple Observatories
Orbital period1,276.46 d
Semi-major axis2.5133 au
Eccentricity0.2987
Radius12.5 R⊕ · 1.11 R♃
Mass3,257.7 M⊕ · 10.25 M♃
Density9.17 g/cm³
Equilibrium temperature233.9 K
System distance13.405 pc

Published measurements

4 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Mass 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,378 M_earth ± 54 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
1,303.096 M_earth ± 31.78 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
1,313.22 M_earth ± 9.217 Radial Velocity NASA Exoplanet Archive Curiel et al. 2011 2011
3,257.741 M_earth ± 222.5 Radial Velocity NASA Exoplanet Archive McArthur et al. 2010 2010
1,312.638 M_earth ± 111.2 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
1,255.38 M_earth ± 50.85 Radial Velocity NASA Exoplanet Archive Wittenmyer et al. 2007 2007
1,255.38 M_earth ± 41.32 Radial Velocity NASA Exoplanet Archive Naef et al. 2004 2004

Orbital period 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,281.4 d ± 0.73 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
1,282.41 d ± 0.93 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
1,276.46 d ± 0.57 Radial Velocity NASA Exoplanet Archive Curiel et al. 2011 2011
1,281.507 d ± 1.055 Radial Velocity NASA Exoplanet Archive McArthur et al. 2010 2010
1,278.1 d ± 2.9 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
1,274.6 d ± 5 Radial Velocity NASA Exoplanet Archive Wittenmyer et al. 2007 2007
1,319 d ± 18 Radial Velocity NASA Exoplanet Archive Naef et al. 2004 2004

Semi-major axis 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.585 au ± 0.048 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
2.517 au ± 0.026 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
2.51329 au ± 0.00075 Radial Velocity NASA Exoplanet Archive Curiel et al. 2011 2011
2.53 au ± 0.014 Radial Velocity NASA Exoplanet Archive McArthur et al. 2010 2010
2.53 au ± 0.15 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
2.51 au ± 0.04 Radial Velocity NASA Exoplanet Archive Wittenmyer et al. 2007 2007
2.57 au Radial Velocity NASA Exoplanet Archive Naef et al. 2004 2004

Eccentricity 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.3139 ± 0.0095 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
0.294 ± 0.011 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.2987 ± 0.0072 Radial Velocity NASA Exoplanet Archive Curiel et al. 2011 2011
0.316 ± 0.006 Radial Velocity NASA Exoplanet Archive McArthur et al. 2010 2010
0.267 ± 0.021 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
0.242 ± 0.017 Radial Velocity NASA Exoplanet Archive Wittenmyer et al. 2007 2007
0.269 ± 0.036 Radial Velocity NASA Exoplanet Archive Naef et al. 2004 2004

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
ups And c Exoplanet 0″ 4.096
ups And b Exoplanet 0″ 4.096
ups And Star 0″ —
* ups And e Planet 6.49″ —
* ups And HighPM* 6.49″ 4.1
* ups And c Planet 6.49″ —
* ups And b Planet 6.49″ —
* ups And d Planet 6.49″ —
* ups And B HighPM* 52.19″ —
Gaia DR3 348024601609783424 WhiteDwarf 343.6″ —
CRTS J013611.4+412302 EclBin 413.4″ 15.74

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/ups-and-d · Registry entry updated 2026-08-14.