1991 UG1

1991UG1, 06454, 1973 YY, 1973YY, J73Y00Y, J91U01G

All data for this body: [vot]

MPC data
Name (number) 1991 UG1 (6454)
a 2.75440
e 0.39424
i / sin(i) 29.7390 / 0.49605
q 1.66850
Q 3.84031
ω 276.8643
Node 65.5415
m 130.8568
n 0.2156
Epoch 2460800.5
nobs 4037
nopp 24
Years observed 1973-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.756
ep 0.262
sin(ip) 0.534
G 0.150
H 12.790
Mass
D 9.13 2.260
pV 0.095 0.0600
Value
Rotational Period 9.801
Period quality 3
Spectral Class B
Spectral Class Score 5.736
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7555 0.2618 0.5345 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.13 2.260 2.260 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.095 0.0600 0.0600 Masiero 2020PSJ.....1....5M 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
12.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.8004 2 Sidereal Durech 2023A&A...675A..24D Model
9.8017 3 Synodic Hess 2016MPBu...43..120H Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B DeMeo-Carry VIS Carry PHOT
B 0.554 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
B B 0.0686 0.0686 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT