1991 PR12

1991PR12, 07944, 1979 MS, 1979MS, 1980 TU8, 1980TU8, J79M00S, J80T08U, J91P12R

All data for this body: [vot]

MPC data
Name (number) 1991 PR12 (7944)
a 3.21136
e 0.14019
i / sin(i) 0.4086 / 0.00713
q 2.76116
Q 3.66157
ω 76.3012
Node 238.7434
m 328.2910
n 0.1713
Epoch 2460800.5
nobs 2985
nopp 29
Years observed 1979-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.218
ep 0.115
sin(ip) 0.027
G 0.150
H 13.330
Mass
D 12.19 0.203
pV 0.057 0.0047
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2184 0.1150 0.0273 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.19 0.203 0.203 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.057 0.0047 0.0047 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
13.33 MPC-2023-12-04 MPC-2023-12-04 Phot