1981 ER34

1981ER34, 2001 XJ222, 2001XJ222, 35041, J81E34R, K01XM2J

All data for this body: [vot]

MPC data
Name (number) 1981 ER34 (35041)
a 3.16884
e 0.02131
i / sin(i) 8.1185 / 0.14122
q 3.10129
Q 3.23638
ω 321.3061
Node 246.4023
m 275.1316
n 0.1747
Epoch 2460800.5
nobs 780
nopp 21
Years observed 1981-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Veritas (490)
 
ap 3.164
ep 0.060
sin(ip) 0.160
G 0.150
H 15.130
Mass
D 5.08 0.687
pV 0.131 0.0383
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
490 Veritas 0 Veritas Novakovic 2019EPSC...13.1671N HCM
490 Veritas 609 Veritas -0.5500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1641 0.0605 0.1598 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.08 0.687 0.687 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.131 0.0383 0.0383 Masiero 2011ApJ...741...68M NEATM
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
15.13 MPC-2023-12-04 MPC-2023-12-04 Phot