Hauptmann

08381, 1981 WY8, 1981WY8, 1991 LY3, 1991LY3, 1992 SO24, 1992SO24, J81W08Y, J91L03Y, J92S24O

All data for this body: [vot]

MPC data
Name (number) Hauptmann (8381)
a 2.46525
e 0.08492
i / sin(i) 7.1679 / 0.12478
q 2.25591
Q 2.67459
ω 270.0709
Node 217.8323
m 27.8580
n 0.2546
Epoch 2460800.5
nobs 3209
nopp 26
Years observed 1981-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.466
ep 0.107
sin(ip) 0.138
G 0.150
H 14.030
Mass
D 5.64 0.031
pV 0.184 0.0242
Value
Rotational Period 4.696
Period quality 2
Spectral Class X
Spectral Class Score 5.262
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4664 0.1068 0.1377 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.12 0.143 0.143 Masiero 2011ApJ...741...68M NEATM
5.66 0.032 0.032 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.172 0.0279 0.0279 Masiero 2011ApJ...741...68M NEATM
0.223 0.0485 0.0485 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
14.03 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.69561 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model
4.69563 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
Bk Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C C 0.4584 0.4584 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.48 Bus VIS Carvano 2010A&A...510A..43C PHOT
X 0.717 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT