2012 XX21

2012XX21, 2001 YT52, 2001YT52, a0000, K01Y52T, K12X21X

All data for this body: [vot]

MPC data
Name (number) 2012 XX21 (360000)
a 3.17055
e 0.16624
i / sin(i) 2.2026 / 0.03843
q 2.64347
Q 3.69762
ω 37.2506
Node 71.5275
m 42.2961
n 0.1746
Epoch 2460800.5
nobs 225
nopp 13
Years observed 1995-2025
rms 0.96
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.174
ep 0.172
sin(ip) 0.023
G 0.150
H 16.700
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.0900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1744 0.1725 0.0226 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
16.70 MPC-2023-12-04 MPC-2023-12-04 Phot