1985 RJ

1985RJ, 1997 EM50, 1997EM50, 42480, J85R00J, J97E50M

All data for this body: [vot]

MPC data
Name (number) 1985 RJ (42480)
a 2.64620
e 0.28315
i / sin(i) 12.1121 / 0.20983
q 1.89692
Q 3.39547
ω 119.8580
Node 182.4973
m 325.2271
n 0.2290
Epoch 2460200.5
nobs 1528
nopp 21
Years observed 1985-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.647
ep 0.247
sin(ip) 0.222
Value Standard error
G 0.150
H 14.950
Mass
D 6.85 0.081
pV 0.047 0.0033
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6465 0.2475 0.2224 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.86 1.430 1.430 Masiero 2021PSJ.....2..162M NEATM
4.94 1.260 1.260 Nugent 2016AJ....152...63N NEATM
5.06 0.890 0.890 Nugent 2016AJ....152...63N NEATM
6.64 0.199 0.199 Masiero 2011ApJ...741...68M NEATM
6.91 0.092 0.092 Masiero 2011ApJ...741...68M NEATM
7.00 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
7.10 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
7.30 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
7.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0036 0.0036 Masiero 2011ApJ...741...68M NEATM
0.053 0.0096 0.0096 Masiero 2011ApJ...741...68M NEATM
0.068 0.0270 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.080 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM
0.080 0.0600 0.0600 Nugent 2016AJ....152...63N 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
14.95 MPC-2023-12-04 MPC-2023-12-04 Phot