Robertbrown

1991 RB12, 1991RB12, 1996 RZ3, 1996RZ3, 29210, J91R12B, J96R03Z

All data for this body: [vot]

MPC data
Name (number) Robertbrown (29210)
a 2.80804
e 0.17104
i / sin(i) 12.7447 / 0.22061
q 2.32775
Q 3.28834
ω 84.3392
Node 319.5241
m 352.3840
n 0.2095
Epoch 2460800.5
nobs 2557
nopp 21
Years observed 1991-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.809
ep 0.141
sin(ip) 0.240
G 0.150
H 13.880
Mass
D 9.10 0.096
pV 0.076 0.0080
Value
Rotational Period 2.000
Period quality
Spectral Class C
Spectral Class Score 8.286
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8089 0.1413 0.2405 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.69 2.140 2.140 Ali-Lagoa 2018A&A...612A..85A NEATM
10.80 0.830 0.830 Usui 2011PASJ...63.1117U NEATM
11.72 2.340 2.340 Ali-Lagoa 2018A&A...612A..85A NEATM
8.06 2.370 2.370 Nugent 2016AJ....152...63N NEATM
8.21 3.560 3.560 Masiero 2012ApJ...759L...8M NEATM
8.62 2.069 2.069 Masiero 2017AJ....154..168M NEATM
9.08 0.097 0.097 Masiero 2011ApJ...741...68M NEATM
9.37 2.360 2.360 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.045 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.054 0.0220 0.0220 Ali-Lagoa 2018A&A...612A..85A NEATM
0.061 0.0300 0.0590 Masiero 2021PSJ.....2..162M NEATM
0.070 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.075 0.0389 0.0389 Masiero 2017AJ....154..168M NEATM
0.087 0.0720 0.0720 Masiero 2012ApJ...759L...8M NEATM
0.094 0.0109 0.0109 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
13.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.0 Synodic Erasmus 2018ApJS..237...19E Lightcurve
2.0 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C X 0.686000 0.237000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
C X 0.695000 0.231000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT
L 0.248 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT