1999 XV12

1999XV12, 1997 GE37, 1997GE37, 1998 QB97, 1998QB97, 41220, J97G37E, J98Q97B, J99X12V

All data for this body: [vot]

MPC data
Name (number) 1999 XV12 (41220)
a 2.79219
e 0.15223
i / sin(i) 8.7498 / 0.15212
q 2.36714
Q 3.21725
ω 132.8693
Node 184.2452
m 261.8403
n 0.2112
Epoch 2460800.5
nobs 1785
nopp 22
Years observed 1997-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.793
ep 0.127
sin(ip) 0.154
G 0.150
H 14.790
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 21.740
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 0 Gefion Novakovic 2019EPSC...13.1671N HCM
1272 Gefion 516 Gefion 0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7930 0.1265 0.1543 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D S 0.3617 0.9330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.91 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9920 0.9330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9966 0.9330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9981 0.9330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT