1937 UD

1937UD, 1999 AZ9, 1999AZ9, 30717, J37U00D, J99A09Z

All data for this body: [vot]

MPC data
Name (number) 1937 UD (30717)
a 2.16714
e 0.33510
i / sin(i) 8.9710 / 0.15593
q 1.44094
Q 2.89335
ω 314.7790
Node 33.0269
m 170.4699
n 0.3089
Epoch 2460800.5
nobs 2395
nopp 21
Years observed 1937-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 15.040
Mass
D 2.76 0.312
pV 0.235 0.0480
Value
Rotational Period 5.511
Period quality 3
Spectral Class S
Spectral Class Score 19.953
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.60 0.400 0.400 Ali-Lagoa 2017A&A...603A..55A NEATM
3.00 0.500 0.500 Ali-Lagoa 2017A&A...603A..55A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0600 0.0600 Ali-Lagoa 2017A&A...603A..55A NEATM
0.280 0.0800 0.0800 Ali-Lagoa 2017A&A...603A..55A 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
15.04 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.5117 3 Synodic Pravec LCDB Lightcurve
5.58 3 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus VIS Binzel 2019Icar..324...41B PHOT
S DeMeo-Carry VIS Carry PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.77 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4921 0.8790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5797 0.8790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9970 0.8790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
U DeMeo-Carry VIS Carry PHOT