Billbaum

04175, 1974 UE, 1974UE, 1978 QF2, 1978QF2, 1978 RL4, 1978RL4, 1985 GX, 1985GX, J74U00E, J78Q02F, J78R04L, J85G00X

All data for this body: [vot]

MPC data
Name (number) Billbaum (4175)
a 2.68720
e 0.18188
i / sin(i) 13.5977 / 0.23510
q 2.19846
Q 3.17593
ω 316.9654
Node 163.3327
m 101.6508
n 0.2237
Epoch 2460800.5
nobs 4657
nopp 28
Years observed 1951-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.686
ep 0.211
sin(ip) 0.229
G 0.150
H 12.430
Mass
D 8.87 0.280
pV 0.270 0.0380
Value
Rotational Period 2.700
Period quality 3-
Spectral Class S
Spectral Class Score 38.670
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6855 0.2112 0.2291 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.87 0.280 0.280 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.270 0.0380 0.0380 Masiero 2012ApJ...759L...8M 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
12.43 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.73 3- Synodic Megna LCDB Lightcurve
2.7425 2+ Synodic Ditteon 2011MPBu...38..214D Lightcurve
2.908 2+ Synodic Aymami 2011MPBu...38..158A Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K S 0.4351 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.674 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X S 0.4355 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S S 0.6154 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8375 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9150 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9168 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9962 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9974 0.5920 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sa Bus VIS Lazzaro 2004Icar..172..179L SPEC
V S 0.700000 0.230000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC