1999 JC

1999JC, 1999 FS31, 1999FS31, 1999 GT48, 1999GT48, 28375, J99F31S, J99G48T, J99J00C

All data for this body: [vot]

MPC data
Name (number) 1999 JC (28375)
a 3.11545
e 0.15400
i / sin(i) 0.1404 / 0.00245
q 2.63567
Q 3.59523
ω 271.4680
Node 205.0631
m 337.0806
n 0.1792
Epoch 2460800.5
nobs 2871
nopp 21
Years observed 1991-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.118
ep 0.161
sin(ip) 0.022
G 0.150
H 13.530
Mass
D 11.87 0.075
pV 0.057 0.0061
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 12.783
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis -0.1500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1180 0.1613 0.0221 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.31 0.182 0.182 Masiero 2011ApJ...741...68M NEATM
12.19 0.083 0.083 Masiero 2011ApJ...741...68M NEATM
12.51 3.590 3.590 Masiero 2021PSJ.....2..162M NEATM
12.53 3.840 3.840 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.047 0.0230 0.0460 Masiero 2021PSJ.....2..162M NEATM
0.052 0.0070 0.0070 Masiero 2011ApJ...741...68M NEATM
0.080 0.0143 0.0143 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
13.53 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 C 0.6294 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4885 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.6226 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8528 0.5010 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C Cgx None None Movis NIR Popescu 2018A&A...617A..12P PHOT