2001 QA128

2001QA128, 2000 HH95, 2000HH95, 51931, K00H95H, K01QC8A

All data for this body: [vot]

MPC data
Name (number) 2001 QA128 (51931)
a 2.77054
e 0.09761
i / sin(i) 8.0377 / 0.13982
q 2.50011
Q 3.04097
ω 346.2516
Node 256.9163
m 123.2542
n 0.2137
Epoch 2460800.5
nobs 1596
nopp 21
Years observed 1997-2024
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.772
ep 0.126
sin(ip) 0.157
G 0.150
H 14.770
Mass
D 3.63 1.014
pV 0.256 0.1131
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.033
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 -0.2100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7718 0.1260 0.1565 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.63 1.014 1.014 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.256 0.1131 0.1131 Masiero 2011ApJ...741...68M 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
14.77 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 0.958 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7141 0.7141 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT