1981 DF3

1981DF3, 99971, J81D03F

All data for this body: [vot]

MPC data
Name (number) 1981 DF3 (99971)
a 2.79791
e 0.25666
i / sin(i) 10.2003 / 0.17709
q 2.07979
Q 3.51604
ω 300.5208
Node 308.2526
m 339.9429
n 0.2106
Epoch 2460200.5
nobs 980
nopp 17
Years observed 1981-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.798
ep 0.269
sin(ip) 0.206
Value Standard error
G 0.150
H 15.350
Mass
D 4.68 0.066
pV 0.089 0.0123
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7984 0.2694 0.2056 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.68 0.066 0.066 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0123 0.0123 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
15.35 MPC-2023-12-04 MPC-2023-12-04 Phot