1991 RL9

1991RL9, 14886, 1968 QT1, 1968QT1, 1972 TW8, 1972TW8, J68Q01T, J72T08W, J91R09L

All data for this body: [vot]

MPC data
Name (number) 1991 RL9 (14886)
a 2.43707
e 0.17699
i / sin(i) 2.0147 / 0.03516
q 2.00574
Q 2.86841
ω 150.8069
Node 212.0500
m 304.6721
n 0.2591
Epoch 2460800.5
nobs 2066
nopp 25
Years observed 1968-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.437
ep 0.143
sin(ip) 0.047
G 0.150
H 14.990
Mass
D 6.21 0.033
pV 0.059 0.0023
Value
Rotational Period 6.360
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4365 0.1431 0.0470 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.02 1.070 1.070 Masiero 2020PSJ.....1....5M NEATM
5.64 1.690 1.690 Nugent 2016AJ....152...63N NEATM
5.86 1.860 1.860 Masiero 2020PSJ.....1....5M NEATM
6.20 0.033 0.033 Masiero 2011ApJ...741...68M NEATM
6.46 2.070 2.070 Masiero 2012ApJ...759L...8M NEATM
9.14 1.830 1.830 Ali-Lagoa 2018A&A...612A..85A NEATM
9.52 0.740 0.740 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.026 0.0100 0.0100 Ali-Lagoa 2018A&A...612A..85A NEATM
0.056 0.0360 0.0360 Masiero 2012ApJ...759L...8M NEATM
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.061 0.0024 0.0024 Masiero 2011ApJ...741...68M NEATM
0.062 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.084 0.0680 0.0680 Masiero 2020PSJ.....1....5M 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
14.99 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.366 2 Synodic Waszczak 2015AJ....150...75W Lightcurve