Hughdowns

1999 XD37, 1999XD37, 71000, J99X37D

All data for this body: [vot]

MPC data
Name (number) Hughdowns (71000)
a 2.66689
e 0.18437
i / sin(i) 13.0292 / 0.22545
q 2.17520
Q 3.15857
ω 323.7405
Node 93.2976
m 303.6545
n 0.2263
Epoch 2460800.5
nobs 1758
nopp 21
Years observed 1993-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent Adeona (145)
 
ap 2.667
ep 0.175
sin(ip) 0.204
G 0.150
H 14.290
Mass
D 7.91 0.196
pV 0.058 0.0047
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 14.746
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
145 Adeona 0 Adeona Novakovic 2019EPSC...13.1671N HCM
145 Adeona 505 Adeona -0.1300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6671 0.1755 0.2039 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.89 0.198 0.198 Masiero 2011ApJ...741...68M NEATM
8.62 2.120 2.120 Masiero 2020PSJ.....1....5M NEATM
8.84 2.782 2.782 Masiero 2017AJ....154..168M NEATM
9.31 2.782 2.782 Masiero 2017AJ....154..168M NEATM
9.64 2.770 2.770 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.040 0.0260 0.0260 Masiero 2020PSJ.....1....5M NEATM
0.043 0.0289 0.0289 Masiero 2017AJ....154..168M NEATM
0.047 0.0367 0.0367 Masiero 2017AJ....154..168M NEATM
0.055 0.0490 0.0490 Masiero 2020PSJ.....1....5M NEATM
0.059 0.0049 0.0049 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
14.29 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 0.1038 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.969 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.8553 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT