1981EM12

17384, J81E12M

All data for this body: [vot]

MPC data
Name (number) 1981EM12 (17384)
Packed designation 17384
a 3.19973
e 0.07474
i / sin(i) 15.6729 / 0.27015
q 2.96058
Q 3.43888
ω 294.4147
Node 339.6368
m 328.0977
n 0.1722
Epoch 2459600.5
nobs 581
nopp 18
Years observed 1981-2021
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Ursula (375)
 
ap 3.194
ep 0.088
sin(ip) 0.282
Value Standard error
G 0.150
H 14.760
Mass
D 6.56 0.139
pV 0.066 0.0084
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
375 Ursula 631 Ursula Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1938 0.0881 0.2824 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.40 0.153 0.153 Masiero 2011ApJ...741...68M NEATM
7.32 0.332 0.332 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0120 0.0120 Masiero 2011ApJ...741...68M NEATM
0.075 0.0118 0.0118 Masiero 2011ApJ...741...68M NEATM
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
14.76 MPC-2022-01-18 MPC-2022-01-18 Phot