Brashear

05502, 1984 EC, 1984EC, 1986 TQ17, 1986TQ17, 1990 RU1, 1990RU1, J84E00C, J86T17Q, J90R01U

All data for this body: [vot]

MPC data
Name (number) Brashear (5502)
a 2.67240
e 0.12739
i / sin(i) 12.3402 / 0.21372
q 2.33196
Q 3.01283
ω 231.4097
Node 352.4182
m 99.3437
n 0.2256
Epoch 2460800.5
nobs 5068
nopp 28
Years observed 1981-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.673
ep 0.154
sin(ip) 0.220
G 0.150
H 13.190
Mass
D 6.59 0.137
pV 0.225 0.0315
Value
Rotational Period 19.292
Period quality 2
Spectral Class S
Spectral Class Score 16.142
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia 0.4100 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6726 0.1544 0.2201 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.46 0.140 0.140 Masiero 2011ApJ...741...68M NEATM
7.62 2.060 2.060 Nugent 2016AJ....152...63N NEATM
7.65 1.790 1.790 Nugent 2016AJ....152...63N NEATM
9.41 0.750 0.750 Usui 2011PASJ...63.1117U NEATM
9.76 1.950 1.950 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.136 0.0540 0.0540 Ali-Lagoa 2018A&A...612A..85A NEATM
0.150 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.170 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.321 0.0467 0.0467 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
13.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
19.2922 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S 0.6927 0.9410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9985 0.9410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9992 0.9410 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT