2004 QC20

2004QC20, J1671, K04Q20C

All data for this body: [vot]

MPC data
Name (number) 2004 QC20 (191671)
a 2.79707
e 0.17219
i / sin(i) 9.7034 / 0.16855
q 2.31544
Q 3.27871
ω 261.6844
Node 130.5459
m 154.2370
n 0.2107
Epoch 2460800.5
nobs 1291
nopp 17
Years observed 1993-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.798
ep 0.133
sin(ip) 0.157
G 0.150
H 15.600
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.534
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 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7983 0.1327 0.1566 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
15.60 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
S 0.589 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT