1981 EN15

1981EN15, 19938, J81E15N

All data for this body: [vot]

MPC data
Name (number) 1981 EN15 (19938)
a 2.26653
e 0.10568
i / sin(i) 2.3767 / 0.04147
q 2.02699
Q 2.50607
ω 175.1756
Node 284.0373
m 44.9213
n 0.2888
Epoch 2460800.5
nobs 1420
nopp 19
Years observed 1981-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.267
ep 0.136
sin(ip) 0.052
G 0.150
H 16.050
Mass
D 2.07 0.260
pV 0.216 0.0940
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 -1.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2669 0.1356 0.0516 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.07 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.216 0.0940 0.0940 Masiero 2012ApJ...759L...8M 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
16.05 MPC-2023-12-04 MPC-2023-12-04 Phot