Raybrown

05840, 1977 HT, 1977HT, 1978 ON, 1978ON, 1988 VB4, 1988VB4, J77H00T, J78O00N, J88V04B

All data for this body: [vot]

MPC data
Name (number) Raybrown (5840)
a 2.74800
e 0.10338
i / sin(i) 3.3457 / 0.05836
q 2.46392
Q 3.03208
ω 343.8305
Node 25.3927
m 43.6372
n 0.2164
Epoch 2460800.5
nobs 4434
nopp 27
Years observed 1977-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.747
ep 0.071
sin(ip) 0.059
G 0.150
H 12.650
Mass
D 10.17 0.066
pV 0.179 0.0141
Value
Rotational Period 20.650
Period quality 2
Spectral Class L
Spectral Class Score 48.526
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
847 Agnia 0 Agnia Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7474 0.0706 0.0593 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.37 0.082 0.082 Masiero 2011ApJ...741...68M NEATM
13.33 0.870 0.870 Usui 2011PASJ...63.1117U NEATM
13.78 2.760 2.760 Ali-Lagoa 2018A&A...612A..85A NEATM
8.41 1.790 1.790 Nugent 2016AJ....152...63N NEATM
9.73 0.120 0.120 Masiero 2014ApJ...791..121M NEATM
9.95 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.098 0.0390 0.0390 Ali-Lagoa 2018A&A...612A..85A NEATM
0.181 0.0200 0.0200 Masiero 2011ApJ...741...68M NEATM
0.196 0.0300 0.0300 Masiero 2012ApJ...759L...8M NEATM
0.200 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.220 0.0400 0.0400 Masiero 2014ApJ...791..121M 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
12.65 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
20.652 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
L Bus-DeMeo VISNIR Devogele 2018Icar..304...31D SPEC
L 0.306 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L M 0.670000 0.270000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
L&D L DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
Ld Bus VIS Bus 2002Icar..158..146B SPEC