1999 JR91

1999JR91, 2000 LG30, 2000LG30, 29957, J99J91R, K00L30G

All data for this body: [vot]

MPC data
Name (number) 1999 JR91 (29957)
a 3.01541
e 0.09997
i / sin(i) 10.5972 / 0.18390
q 2.71395
Q 3.31687
ω 276.2849
Node 150.2963
m 144.0400
n 0.1882
Epoch 2460800.5
nobs 3884
nopp 24
Years observed 1994-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.014
ep 0.089
sin(ip) 0.175
G 0.150
H 13.070
Mass
D 8.27 0.451
pV 0.215 0.0677
Value
Rotational Period 2.754
Period quality 2
Spectral Class X
Spectral Class Score 5.577
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.2000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0143 0.0895 0.1752 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.27 0.451 0.451 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.215 0.0677 0.0677 Masiero 2011ApJ...741...68M 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
13.07 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.75409 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.463 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
CL 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.2697 0.2140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4391 0.2140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X S 0.5961 0.2140 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT