1998 MH41

1998MH41, 1999 XT57, 1999XT57, 40091, J98M41H, J99X57T

All data for this body: [vot]

MPC data
Name (number) 1998 MH41 (40091)
a 2.72306
e 0.21681
i / sin(i) 7.6441 / 0.13302
q 2.13267
Q 3.31344
ω 214.6372
Node 87.7860
m 341.3028
n 0.2193
Epoch 2460800.5
nobs 1818
nopp 23
Years observed 1990-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.723
ep 0.202
sin(ip) 0.111
G 0.150
H 14.800
Mass
D 5.89 0.240
pV 0.052 0.0105
Value
Rotational Period 39.270
Period quality 2
Spectral Class C
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7229 0.2023 0.1113 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.34 1.152 1.152 Masiero 2017AJ....154..168M NEATM
5.91 0.250 0.250 Masiero 2011ApJ...741...68M NEATM
6.11 1.326 1.326 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0142 0.0142 Masiero 2017AJ....154..168M NEATM
0.044 0.0248 0.0248 Masiero 2017AJ....154..168M NEATM
0.097 0.0203 0.0203 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
14.80 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
39.275 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
39.514 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT