1999 JR61

1999JR61, 1992 DO9, 1992DO9, 74546, J92D09O, J99J61R

All data for this body: [vot]

MPC data
Name (number) 1999 JR61 (74546)
a 2.18576
e 0.15073
i / sin(i) 3.1178 / 0.05439
q 1.85630
Q 2.51522
ω 63.2229
Node 230.5016
m 333.2924
n 0.3050
Epoch 2460800.5
nobs 1584
nopp 19
Years observed 1992-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.186
ep 0.106
sin(ip) 0.065
G 0.150
H 16.240
Mass
D 2.71 0.690
pV 0.060 0.0400
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 3.096
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1857 0.1059 0.0650 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.71 0.690 0.690 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0400 0.0400 Nugent 2016AJ....152...63N 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
16.24 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.516 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT