1985 RJ4

1985RJ4, 15225, 1974 SD1, 1974SD1, J74S01D, J85R04J

All data for this body: [vot]

MPC data
Name (number) 1985 RJ4 (15225)
a 3.12240
e 0.20331
i / sin(i) 2.2490 / 0.03924
q 2.48760
Q 3.75720
ω 314.8943
Node 33.4863
m 324.0932
n 0.1786
Epoch 2460200.5
nobs 1921
nopp 25
Years observed 1974-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.117
ep 0.179
sin(ip) 0.035
Value Standard error
G 0.150
H 13.840
Mass
D 10.36 0.369
pV 0.086 0.0044
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1171 0.1795 0.0346 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.38 0.372 0.372 Masiero 2011ApJ...741...68M NEATM
8.83 2.990 2.990 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.075 0.0590 0.0590 Masiero 2020PSJ.....1....5M NEATM
0.086 0.0044 0.0044 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
13.84 MPC-2023-12-04 MPC-2023-12-04 Phot