O Briain

OBriain, 04901, 1950 QS, 1950QS, 1974 SF2, 1974SF2, 1977 KV1, 1977KV1, 1981 UW13, 1981UW13, 1988 VJ, 1988VJ, J50Q00S, J74S02F, J77K01V, J81U13W, J88V00J

All data for this body: [vot]

MPC data
Name (number) O Briain (4901)
a 2.27424
e 0.19062
i / sin(i) 4.6442 / 0.08097
q 1.84073
Q 2.70775
ω 94.1850
Node 227.1066
m 291.3781
n 0.2874
Epoch 2460800.5
nobs 4469
nopp 27
Years observed 1950-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.274
ep 0.142
sin(ip) 0.096
G 0.150
H 13.690
Mass
D 4.85 0.244
pV 0.287 0.0244
Value
Rotational Period 2.649
Period quality 3
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.7400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
298 Baptistina 403 Baptistina 0.8500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2744 0.1422 0.0963 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.62 0.610 0.610 Nugent 2016AJ....152...63N NEATM
4.31 0.670 0.670 Nugent 2016AJ....152...63N NEATM
5.22 0.290 0.290 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.282 0.0254 0.0254 Masiero 2011ApJ...741...68M NEATM
0.300 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.410 0.1400 0.1400 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
13.69 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.6498 3 Synodic Benishek 2022CBET.5189....1B Lightcurve
2.65 2 Synodic Dose 2023MPBu...50...65D Lightcurve
2.65 3 Synodic Farfan 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