1981ER40

69255, J81E40R

All data for this body: [vot]

MPC data
Name (number) 1981ER40 (69255)
Packed designation 69255
a 2.45126
e 0.11939
i / sin(i) 1.3678 / 0.02387
q 2.15862
Q 2.74391
ω 212.1214
Node 312.1426
m 237.6412
n 0.2568
Epoch 2459600.5
nobs 665
nopp 18
Years observed 1977-2021
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.452
ep 0.154
sin(ip) 0.038
Value Standard error
G 0.150
H 16.090
Mass
D
pV
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana 0.1800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4517 0.1537 0.0383 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
16.09 MPC-2022-01-18 MPC-2022-01-18 Phot