Geoffroy

12896, 1975 XC1, 1975XC1, 1990 SF17, 1990SF17, 1998 QV102, 1998QV102, J75X01C, J90S17F, J98QA2V

All data for this body: [vot]

MPC data
Name (number) Geoffroy (12896)
a 3.96609
e 0.28582
i / sin(i) 6.3396 / 0.11042
q 2.83250
Q 5.09969
ω 321.6246
Node 46.8094
m 133.7174
n 0.1248
Epoch 2460800.5
nobs 3102
nopp 28
Years observed 1971-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.967
ep 0.219
sin(ip) 0.099
G 0.150
H 12.430
Mass
D 15.40 0.584
pV 0.079 0.0139
Value
Rotational Period 15.100
Period quality 3-
Spectral Class X
Spectral Class Score 4.313
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9670 0.2188 0.0990 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.58 2.720 2.720 Ali-Lagoa 2018A&A...612A..85A NEATM
14.07 0.870 0.870 Grav 2012ApJ...744..197G NEATM
16.59 0.840 0.840 Usui 2011PASJ...63.1117U NEATM
21.01 4.200 4.200 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.047 0.0190 0.0190 Ali-Lagoa 2018A&A...612A..85A NEATM
0.113 0.0450 0.0450 Ali-Lagoa 2018A&A...612A..85A NEATM
0.118 0.0230 0.0230 Grav 2012ApJ...744..197G 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
12.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.13 3- Synodic Warner 2023MPBu...50...33W Lightcurve
5.68 1+ Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.2921 0.2921 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.28 Bus VIS Carvano 2010A&A...510A..43C PHOT