2001 QJ157

2001QJ157, 82998, K01QF7J

All data for this body: [vot]

MPC data
Name (number) 2001 QJ157 (82998)
a 2.80541
e 0.11044
i / sin(i) 9.1769 / 0.15948
q 2.49558
Q 3.11524
ω 91.3680
Node 170.9142
m 73.1435
n 0.2098
Epoch 2460800.5
nobs 1310
nopp 22
Years observed 1996-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.805
ep 0.123
sin(ip) 0.158
G 0.150
H 15.170
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.998
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 0.2900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8054 0.1230 0.1582 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
15.17 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 0.14 Bus VIS Carvano 2010A&A...510A..43C PHOT
D X 0.2864 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S X 0.3253 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V X 0.1047 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V X 0.2120 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3327 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT