1981 EN40

1981EN40, 1996 HH23, 1996HH23, 2001 RO6, 2001RO6, 58133, J81E40N, J96H23H, K01R06O

All data for this body: [vot]

MPC data
Name (number) 1981 EN40 (58133)
a 2.37312
e 0.12532
i / sin(i) 2.1849 / 0.03812
q 2.07571
Q 2.67052
ω 263.9254
Node 196.1001
m 88.7812
n 0.2696
Epoch 2460800.5
nobs 1422
nopp 20
Years observed 1981-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.373
ep 0.144
sin(ip) 0.047
G 0.150
H 15.970
Mass
D 3.94 0.104
pV 0.045 0.0068
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
44 Nysa 405 Nysa-Polana -0.3800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3734 0.1442 0.0469 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.94 0.104 0.104 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0068 0.0068 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
15.97 MPC-2023-12-04 MPC-2023-12-04 Phot