1991 RU8

1991RU8, 12730, 1997 EW35, 1997EW35, J91R08U, J97E35W

All data for this body: [vot]

MPC data
Name (number) 1991 RU8 (12730)
a 2.39728
e 0.19163
i / sin(i) 1.8982 / 0.03312
q 1.93788
Q 2.85668
ω 299.6743
Node 3.8932
m 63.8895
n 0.2655
Epoch 2460800.5
nobs 3303
nopp 24
Years observed 1991-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.398
ep 0.167
sin(ip) 0.036
G 0.150
H 14.730
Mass
D
pV
Value
Rotational Period 5.290
Period quality 2
Spectral Class S
Spectral Class Score 5.646
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3978 0.1674 0.0362 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
14.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.76986 2 Sidereal Durech 2023A&A...675A..24D Model
5.297 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.941 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT