Nephthys

00287, 1889 QA, 1889QA, I89Q00A

All data for this body: [vot]

MPC data
Name (number) Nephthys (287)
a 2.35261
e 0.02362
i / sin(i) 10.0339 / 0.17423
q 2.29704
Q 2.40818
ω 122.8702
Node 142.2326
m 277.7754
n 0.2731
Epoch 2460800.5
nobs 4573
nopp 75
Years observed 1889-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.353
ep 0.050
sin(ip) 0.171
G 0.150
H 8.260
Mass 2.747e+17 8.006e+16
D 64.55 0.542
pV 0.183 0.0055
Value
Rotational Period 7.600
Period quality 3
Spectral Class S
Spectral Class Score 39.854
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3530 0.0500 0.1706 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Mass data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.2736e+17 1.1322e+17 1.1322e+17 Fienga INPOP19a Ephem
3.2200e+17 Folkner 2014IPNPR.196C...1F Ephem
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
59.62 1.280 1.280 Masiero 2014ApJ...791..121M NEATM
61.88 1.190 1.190 Masiero 2011ApJ...741...68M NEATM
65.83 0.940 0.940 Usui 2011PASJ...63.1117U NEATM
67.60 1.400 1.400 Tedesco 2002AJ....123.1056T STM
68.06 6.810 6.810 Ali-Lagoa 2018A&A...612A..85A NEATM
68.11 3.154 3.154 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
69.10 1.788 1.788 Ryan&Woodward 2010AJ....140..933R IRAS-STM
69.24 13.850 13.850 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.176 0.0700 0.0700 Ali-Lagoa 2018A&A...612A..85A NEATM
0.177 0.0091 0.0091 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.182 0.0360 0.0360 Ali-Lagoa 2018A&A...612A..85A NEATM
0.183 0.0164 0.0164 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.185 0.0080 0.0080 Tedesco 2002AJ....123.1056T STM
0.221 0.0472 0.0472 Masiero 2011ApJ...741...68M NEATM
0.240 0.0700 0.0700 Masiero 2014ApJ...791..121M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.0 1 Synodic Scaltriti 1979Icar...39..124S Lightcurve
7.58 2 Synodic Blanco 1996P&SS...44...93B Lightcurve
7.603 2 Synodic Harris 1983Icar...54...59H Lightcurve
7.60409 3 Synodic Alton 2011MPBu...38....8A Lightcurve
7.60411 2 Sidereal Hanus 2016A&A...586A.108H Model
7.6045 2 Synodic Behrend LCDB Lightcurve
7.604802 3- Synodic Alton 2008MPBu...35...33A Lightcurve
7.605 3 Synodic Fauerbach 2008MPBu...35...44F Lightcurve
7.6056 2 Synodic Behrend LCDB Lightcurve
7.606 2 Synodic CALL LCDB Lightcurve
7.6065 2 Synodic Fauerbach 2005MPBu...32...34F Lightcurve
7.611 3 Synodic Behrend LCDB Lightcurve
7.614 3- Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.428 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus-DeMeo VISNIR Bourdelle de Micas 2024A&A...682A..64B SPEC
S 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.0224 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.4820 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT