1999WC21

2005YF219, J99W21C, K05YL9F, P7697

All data for this body: [vot]

MPC data
Name (number) 1999WC21 (257697)
Packed designation P7697
a 3.10690
e 0.12269
i / sin(i) 1.7083 / 0.02981
q 2.72571
Q 3.48809
ω 79.4369
Node 59.5157
m 291.8349
n 0.1800
Epoch 2459600.5
nobs 174
nopp 14
Years observed 1999-2021
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.109
ep 0.146
sin(ip) 0.019
Value Standard error
G 0.150
H 16.410
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis -0.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1092 0.1463 0.0190 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.41 MPC-2022-01-18 MPC-2022-01-18 Phot