1999 RU81

1999RU81, 1997 GS10, 1997GS10, 91466, J97G10S, J99R81U

All data for this body: [vot]

MPC data
Name (number) 1999 RU81 (91466)
a 2.78761
e 0.22572
i / sin(i) 7.9664 / 0.13859
q 2.15840
Q 3.41681
ω 214.1072
Node 186.4732
m 151.6107
n 0.2118
Epoch 2460800.5
nobs 2200
nopp 20
Years observed 1997-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.788
ep 0.196
sin(ip) 0.136
G 0.150
H 15.210
Mass
D 6.56 0.065
pV 0.054 0.0040
Value
Rotational Period 4.206
Period quality 2
Spectral Class B
Spectral Class Score 2.965
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7885 0.1958 0.1358 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.55 1.040 1.040 Masiero 2020PSJ.....1....5M NEATM
4.74 1.400 1.400 Masiero 2021PSJ.....2..162M NEATM
6.30 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
6.50 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
6.57 0.066 0.066 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0040 0.0040 Masiero 2011ApJ...741...68M NEATM
0.079 0.0320 0.0530 Masiero 2021PSJ.....2..162M NEATM
0.085 0.0440 0.0440 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
15.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.2065 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.1608 0.1608 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.74 Bus VIS Carvano 2010A&A...510A..43C PHOT