Epstein

02928, 1968 UD, 1968UD, 1976 GN8, 1976GN8, 1976 HU, 1976HU, 1981 EX2, 1981EX2, J68U00D, J76G08N, J76H00U, J81E02X

All data for this body: [vot]

MPC data
Name (number) Epstein (2928)
a 3.00793
e 0.06529
i / sin(i) 9.5396 / 0.16573
q 2.81155
Q 3.20431
ω 156.9884
Node 310.3246
m 116.0336
n 0.1889
Epoch 2460200.5
nobs 7063
nopp 30
Years observed 1968-2023
rms 0.39
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.007
ep 0.081
sin(ip) 0.182
Value Standard error
G 0.150
H 11.840
Mass
D 17.02 0.950
pV 0.142 0.0393
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos -0.6100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0074 0.0813 0.1818 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.27 1.970 1.970 Masiero 2012ApJ...759L...8M NEATM
17.08 3.420 3.420 Ali-Lagoa 2018A&A...612A..85A NEATM
17.49 1.200 1.200 Usui 2011PASJ...63.1117U NEATM
18.77 3.750 3.750 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.129 0.0520 0.0520 Ali-Lagoa 2018A&A...612A..85A NEATM
0.156 0.0620 0.0620 Ali-Lagoa 2018A&A...612A..85A NEATM
0.204 0.2450 0.2450 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
11.84 MPC-2023-12-04 MPC-2023-12-04 Phot