1981ES21

1992SP25, 27686, J81E21S, J92S25P

All data for this body: [vot]

MPC data
Name (number) 1981ES21 (27686)
Packed designation 27686
a 2.67930
e 0.16183
i / sin(i) 13.0341 / 0.22553
q 2.24569
Q 3.11290
ω 100.0969
Node 354.5234
m 174.1819
n 0.2247
Epoch 2459600.5
nobs 1739
nopp 17
Years observed 1932-2021
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.681
ep 0.168
sin(ip) 0.234
Value Standard error
G 0.150
H 14.060
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.3400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6807 0.1684 0.2340 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
14.06 MPC-2022-01-18 MPC-2022-01-18 Phot