1999 JR56

1999JR56, 35832, J99J56R

All data for this body: [vot]

MPC data
Name (number) 1999 JR56 (35832)
a 2.35116
e 0.17810
i / sin(i) 3.4527 / 0.06022
q 1.93243
Q 2.76990
ω 289.4182
Node 290.0766
m 83.4110
n 0.2734
Epoch 2460800.5
nobs 1231
nopp 21
Years observed 1993-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.352
ep 0.204
sin(ip) 0.077
G 0.150
H 15.910
Mass
D 3.46 0.146
pV 0.062 0.0100
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.678
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3517 0.2037 0.0775 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.42 0.151 0.151 Masiero 2011ApJ...741...68M NEATM
3.77 1.060 1.060 Masiero 2020PSJ.....1....5M NEATM
3.79 0.830 0.830 Masiero 2020PSJ.....1....5M NEATM
4.84 1.170 1.170 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.036 0.0190 0.0410 Masiero 2021PSJ.....2..162M NEATM
0.065 0.0360 0.0360 Masiero 2020PSJ.....1....5M NEATM
0.065 0.0470 0.0470 Masiero 2020PSJ.....1....5M NEATM
0.066 0.0114 0.0114 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
15.91 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 0.390 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1495 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2309 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.2326 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D C 0.0968 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.1278 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.2326 0.1340 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT