1999 MH1

1999MH1, 1998 GQ7, 1998GQ7, 38205, J98G07Q, J99M01H

All data for this body: [vot]

MPC data
Name (number) 1999 MH1 (38205)
a 2.67545
e 0.20078
i / sin(i) 13.4525 / 0.23264
q 2.13828
Q 3.21263
ω 231.3160
Node 113.9839
m 291.3583
n 0.2252
Epoch 2460800.5
nobs 2864
nopp 22
Years observed 1998-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.675
ep 0.161
sin(ip) 0.215
G 0.150
H 14.040
Mass
D 4.05 1.063
pV 0.324 0.2018
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 26.242
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 502 Eunomia 0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6753 0.1606 0.2151 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.05 1.063 1.063 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.324 0.2018 0.2018 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
14.04 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8464 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9031 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9841 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 1.0000 0.9500 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT