1981 EM22

1981EM22, 2001 YC90, 2001YC90, 35029, J81E22M, K01Y90C

All data for this body: [vot]

MPC data
Name (number) 1981 EM22 (35029)
a 2.32586
e 0.15825
i / sin(i) 2.0030 / 0.03495
q 1.95778
Q 2.69394
ω 143.4981
Node 335.7190
m 203.0896
n 0.2779
Epoch 2460800.5
nobs 805
nopp 20
Years observed 1981-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.325
ep 0.191
sin(ip) 0.042
G 0.150
H 16.810
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
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.5000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3254 0.1910 0.0420 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
16.81 MPC-2023-12-04 MPC-2023-12-04 Phot