1991 PK15

1991PK15, 08514, 1987 UE2, 1987UE2, J87U02E, J91P15K

All data for this body: [vot]

MPC data
Name (number) 1991 PK15 (8514)
a 2.58139
e 0.23324
i / sin(i) 3.9067 / 0.06813
q 1.97931
Q 3.18347
ω 19.7387
Node 320.7162
m 42.0665
n 0.2376
Epoch 2460800.5
nobs 3284
nopp 26
Years observed 1954-2024
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.582
ep 0.183
sin(ip) 0.079
G 0.150
H 14.090
Mass
D 5.93 0.161
pV 0.162 0.0300
Value
Rotational Period 3.286
Period quality 3
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5815 0.1827 0.0787 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.67 1.025 1.025 Masiero 2017AJ....154..168M NEATM
5.93 0.164 0.164 Masiero 2011ApJ...741...68M NEATM
6.28 1.990 1.990 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.114 0.0480 0.0830 Masiero 2021PSJ.....2..162M NEATM
0.166 0.0394 0.0394 Masiero 2011ApJ...741...68M NEATM
0.197 0.0652 0.0652 Masiero 2017AJ....154..168M 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
14.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.2866 3 Synodic Behrend LCDB Lightcurve