1997 RB9

1997RB9, 26968, J97R09B

All data for this body: [vot]

MPC data
Name (number) 1997 RB9 (26968)
a 2.61546
e 0.15502
i / sin(i) 4.5551 / 0.07942
q 2.21001
Q 3.02091
ω 357.0969
Node 331.9285
m 207.2636
n 0.2330
Epoch 2460800.5
nobs 3060
nopp 22
Years observed 1997-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.616
ep 0.105
sin(ip) 0.090
G 0.150
H 13.820
Mass
D 10.32 0.025
pV 0.058 0.0062
Value
Rotational Period 4.120
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6162 0.1049 0.0898 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.32 0.025 0.025 Masiero 2011ApJ...741...68M NEATM
10.55 3.600 3.600 Masiero 2012ApJ...759L...8M NEATM
11.58 0.860 0.860 Usui 2011PASJ...63.1117U NEATM
12.03 2.410 2.410 Ali-Lagoa 2018A&A...612A..85A NEATM
8.55 1.830 1.830 Nugent 2016AJ....152...63N NEATM
8.62 2.830 2.830 Masiero 2020PSJ.....1....5M NEATM
9.71 2.170 2.170 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.058 0.1090 0.1090 Masiero 2012ApJ...759L...8M NEATM
0.059 0.0069 0.0069 Masiero 2011ApJ...741...68M NEATM
0.066 0.0500 0.0500 Masiero 2020PSJ.....1....5M NEATM
0.070 0.0300 0.0300 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.126 2 Synodic Waszczak 2015AJ....150...75W Lightcurve