1999 UJ24

1999UJ24, A2558, J99U24J

All data for this body: [vot]

MPC data
Name (number) 1999 UJ24 (102558)
a 2.78528
e 0.23799
i / sin(i) 6.8559 / 0.11937
q 2.12240
Q 3.44815
ω 128.8584
Node 257.3148
m 178.6443
n 0.2120
Epoch 2460800.5
nobs 1538
nopp 21
Years observed 1987-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent Dora (668)
 
ap 2.786
ep 0.198
sin(ip) 0.141
G 0.150
H 14.680
Mass
D 6.42 0.124
pV 0.074 0.0172
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.396
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
668 Dora 0 Dora Novakovic 2019EPSC...13.1671N HCM
668 Dora 512 Dora Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7864 0.1980 0.1411 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.42 0.124 0.124 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.074 0.0172 0.0172 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
14.68 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
C C 0.0746 0.5840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8247 0.5840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.4488 0.5840 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT