Brel

03918, 1931 VF1, 1931VF1, 1951 RX1, 1951RX1, 1968 UN3, 1968UN3, 1971 OK, 1971OK, 1978 TE4, 1978TE4, 1980 DQ4, 1980DQ4, 1988 PE1, 1988PE1, J31V01F, J51R01X, J68U03N, J71O00K, J78T04E, J80D04Q, J88P01E

All data for this body: [vot]

MPC data
Name (number) Brel (3918)
a 2.24448
e 0.20822
i / sin(i) 7.5103 / 0.13070
q 1.77713
Q 2.71182
ω 202.9988
Node 160.6204
m 315.4911
n 0.2931
Epoch 2460800.5
nobs 4801
nopp 29
Years observed 1931-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.244
ep 0.162
sin(ip) 0.127
G 0.150
H 12.800
Mass
D 6.24 0.127
pV 0.293 0.0179
Value
Rotational Period 3.090
Period quality 3
Spectral Class S
Spectral Class Score 6.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2444 0.1624 0.1271 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.63 0.770 0.770 Nugent 2016AJ....152...63N NEATM
6.26 0.129 0.129 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.289 0.0182 0.0182 Masiero 2011ApJ...741...68M NEATM
0.390 0.1000 0.1000 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
12.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.0966 3 Synodic Pravec LCDB Lightcurve
3.09679 2 Sidereal Hanus 2016A&A...586A.108H Model
3.09686 3- Synodic Dykhuis 2016Icar..267..174D Lightcurve
3.09686 3- Synodic Dykhuis 2016Icar..267..174D Lightcurve
3.098 3 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT