Bobstefanik

05549, 1981 GM1, 1981GM1, 1989 AA10, 1989AA10, 1991 RA7, 1991RA7, J81G01M, J89A10A, J91R07A

All data for this body: [vot]

MPC data
Name (number) Bobstefanik (5549)
a 2.59402
e 0.09603
i / sin(i) 13.9452 / 0.24099
q 2.34491
Q 2.84313
ω 178.3080
Node 2.3214
m 197.9930
n 0.2359
Epoch 2460800.5
nobs 6661
nopp 27
Years observed 1981-2025
rms 0.50
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.594
ep 0.148
sin(ip) 0.239
G 0.150
H 13.230
Mass
D 6.59 0.020
pV 0.317 0.0380
Value
Rotational Period 3.180
Period quality 2
Spectral Class S
Spectral Class Score 5.484
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia -0.6900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5944 0.1476 0.2392 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.39 0.070 0.070 Masiero 2014ApJ...791..121M NEATM
6.61 0.021 0.021 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.309 0.0490 0.0490 Masiero 2011ApJ...741...68M NEATM
0.330 0.0600 0.0600 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
13.23 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.17992 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.914 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.0194 0.0194 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT