2012 DP21

2012DP21, 2001 DJ55, 2001DJ55, K01D55J, K12D21P, W9178

All data for this body: [vot]

MPC data
Name (number) 2012 DP21 (329178)
a 2.36234
e 0.14556
i / sin(i) 1.2631 / 0.02204
q 2.01848
Q 2.70619
ω 106.7589
Node 1.4210
m 269.0229
n 0.2715
Epoch 2460800.5
nobs 219
nopp 14
Years observed 1996-2024
rms 0.92
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.363
ep 0.170
sin(ip) 0.025
G 0.150
H 17.910
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
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.4800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3626 0.1699 0.0252 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
17.91 MPC-2023-12-04 MPC-2023-12-04 Phot