Babylon

15417, 1981 AY2, 1981AY2, 1998 DH34, 1998DH34, 1999 JX27, 1999JX27, J81A02Y, J98D34H, J99J27X

All data for this body: [vot]

MPC data
Name (number) Babylon (15417)
a 3.92756
e 0.05183
i / sin(i) 3.1845 / 0.05555
q 3.72399
Q 4.13114
ω 194.1098
Node 75.7265
m 73.4442
n 0.1266
Epoch 2460800.5
nobs 3490
nopp 31
Years observed 1976-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.950
ep 0.002
sin(ip) 0.037
G 0.150
H 11.960
Mass
D
pV
Value
Rotational Period 39.250
Period quality 2
Spectral Class D
Spectral Class Score 25.150
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.9504 0.0023 0.0373 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
11.96 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
39.251 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
D Bus-DeMeo NIR De Pra 2018Icar..311...35D SPEC
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.426 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
D 0.76 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.1790 0.1790 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT