1999 XD146

1999XD146, I5816, J99XE6D

All data for this body: [vot]

MPC data
Name (number) 1999 XD146 (185816)
a 3.21588
e 0.14270
i / sin(i) 4.4050 / 0.07681
q 2.75697
Q 3.67478
ω 176.5578
Node 234.2647
m 161.2378
n 0.1709
Epoch 2460800.5
nobs 731
nopp 21
Years observed 1999-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.214
ep 0.127
sin(ip) 0.091
G 0.150
H 15.580
Mass
D 4.00 0.808
pV 0.064 0.0236
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.380
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2144 0.1272 0.0912 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.00 0.808 0.808 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.064 0.0236 0.0236 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
15.58 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 B 0.3967 0.2930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
C B 0.1279 0.2930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D B 0.0162 0.2930 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT