1991 SG1

1991SG1, 05599, 1951 AK1, 1951AK1, 1972 RE1, 1972RE1, 1987 SY20, 1987SY20, 1989 CE1, 1989CE1, J51A01K, J72R01E, J87S20Y, J89C01E, J91S01G

All data for this body: [vot]

MPC data
Name (number) 1991 SG1 (5599)
a 2.42001
e 0.13196
i / sin(i) 6.4397 / 0.11216
q 2.10066
Q 2.73936
ω 197.7658
Node 265.6121
m 265.0972
n 0.2618
Epoch 2460800.5
nobs 7041
nopp 28
Years observed 1951-2025
rms 0.49
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.419
ep 0.157
sin(ip) 0.127
G 0.150
H 13.110
Mass
D 6.35 0.600
pV 0.372 0.2050
Value
Rotational Period 3.619
Period quality 3
Spectral Class V
Spectral Class Score 11.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4191 0.1566 0.1269 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.35 0.600 0.600 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.372 0.2050 0.2050 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
13.11 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.6195 3 Synodic Oszkiewicz 2017A&A...599A.107O Lightcurve
3.61951 2 Sidereal Durech 2023A&A...675A..24D Model
3.61969 2 Synodic Pal 2020ApJS..247...26P Lightcurve
3.62 3 Synodic Willis 2004MPBu...31...82W Lightcurve
3.6201 3 Synodic Oszkiewicz 2017A&A...599A.107O Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Bus VIS Roig 2006Icar..183..411R PHOT
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V None Bus VIS Carvano 2010A&A...510A..43C PHOT
V 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT