Maehata

09870, 1974 DW, 1974DW, 1979 SM13, 1979SM13, 1992 DA, 1992DA, J74D00W, J79S13M, J92D00A

All data for this body: [vot]

MPC data
Name (number) Maehata (9870)
a 2.34242
e 0.16680
i / sin(i) 3.7027 / 0.06458
q 1.95171
Q 2.73313
ω 165.4163
Node 27.4831
m 63.9098
n 0.2749
Epoch 2460800.5
nobs 3855
nopp 26
Years observed 1954-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.342
ep 0.207
sin(ip) 0.057
G 0.150
H 14.030
Mass
D 4.27 0.041
pV 0.351 0.0182
Value
Rotational Period 60.600
Period quality 2
Spectral Class S
Spectral Class Score 2.707
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3418 0.2068 0.0570 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.14 0.060 0.060 Masiero 2014ApJ...791..121M NEATM
4.38 0.055 0.055 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.306 0.0441 0.0441 Masiero 2011ApJ...741...68M NEATM
0.360 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
14.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
60.65 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
S S 0.4512 0.4512 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT