Robertstirling

07247, 1975 TQ2, 1975TQ2, 1990 FS4, 1990FS4, 1991 TD1, 1991TD1, J75T02Q, J90F04S, J91T01D

All data for this body: [vot]

MPC data
Name (number) Robertstirling (7247)
a 1.91737
e 0.11829
i / sin(i) 22.9173 / 0.38940
q 1.69057
Q 2.14417
ω 194.0649
Node 190.7942
m 237.5968
n 0.3712
Epoch 2460800.5
nobs 5628
nopp 24
Years observed 1975-2025
rms 0.57
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.917
ep 0.118
sin(ip) 0.370
G 0.150
H 14.620
Mass
D 2.67 0.266
pV 0.278 0.0584
Value
Rotational Period 3.170
Period quality 3-
Spectral Class S
Spectral Class Score 9.583
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.9174 0.1177 0.3699 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.60 0.330 0.330 Nugent 2016AJ....152...63N NEATM
2.74 0.550 0.550 Masiero 2021PSJ.....2..162M NEATM
2.94 0.790 0.790 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.260 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM
0.307 0.0940 0.1360 Masiero 2021PSJ.....2..162M NEATM
0.390 0.2700 0.2700 Masiero 2012ApJ...759L...8M 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
14.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.17 3- Synodic Stephens 2017MPBu...44..321S Lightcurve
3.175 3- Synodic Behrend LCDB Lightcurve
3.176 2+ Synodic Warner 2014MPBu...41..235W Lightcurve
3.179 2+ Synodic Warner 2014MPBu...41..235W Lightcurve
53.1308 2 Synodic Pal 2020ApJS..247...26P Lightcurve
6.3515 2 Synodic Warner 2013MPBu...40...36W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.94 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.4769 0.4730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S L 0.2638 0.4730 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT