1989 MH

1989MH, 16446, 1996 VG, 1996VG, J89M00H, J96V00G

All data for this body: [vot]

MPC data
Name (number) 1989 MH (16446)
a 2.99339
e 0.22646
i / sin(i) 11.5200 / 0.19971
q 2.31552
Q 3.67127
ω 160.4264
Node 85.3048
m 333.5248
n 0.1903
Epoch 2460800.5
nobs 4439
nopp 24
Years observed 1989-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.996
ep 0.255
sin(ip) 0.171
G 0.150
H 12.460
Mass
D 11.40 0.082
pV 0.181 0.0132
Value
Rotational Period 4.970
Period quality 2
Spectral Class S
Spectral Class Score 20.653
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9959 0.2550 0.1706 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.02 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
11.19 0.380 0.380 Masiero 2012ApJ...759L...8M NEATM
11.51 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
8.53 2.370 2.370 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0290 0.0290 Masiero 2012ApJ...759L...8M NEATM
0.176 0.0224 0.0224 Masiero 2011ApJ...741...68M NEATM
0.190 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM
0.210 0.1200 0.1200 Nugent 2016AJ....152...63N 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.977 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.97715 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C S 0.0888 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D S 0.4802 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K 0.659 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Kl Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L S 0.5233 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.3818 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5842 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6334 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8898 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9530 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.4716 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.5032 0.3100 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT