1981EV31

39501, J81E31V

All data for this body: [vot]

MPC data
Name (number) 1981EV31 (39501)
Packed designation 39501
a 2.28413
e 0.15453
i / sin(i) 5.0958 / 0.08882
q 1.93116
Q 2.63709
ω 231.5048
Node 169.6899
m 68.0328
n 0.2855
Epoch 2459600.5
nobs 1486
nopp 19
Years observed 1981-2022
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.284
ep 0.140
sin(ip) 0.091
Value Standard error
G 0.150
H 15.460
Mass
D 2.45 0.260
pV 0.218 0.0693
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.4000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 0.7700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2838 0.1404 0.0914 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.21 0.385 0.385 Masiero 2011ApJ...741...68M NEATM
2.45 0.570 0.570 Masiero 2020PSJ.....1....5M NEATM
2.79 0.450 0.450 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.1040 0.1040 Masiero 2012ApJ...759L...8M NEATM
0.204 0.1190 0.1190 Masiero 2020PSJ.....1....5M NEATM
0.330 0.1491 0.1491 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
15.46 MPC-2022-01-18 MPC-2022-01-18 Phot