Luhmann

08808, 1981 UH28, 1981UH28, 1986 WB10, 1986WB10, 1990 RP1, 1990RP1, 1990 SK14, 1990SK14, J81U28H, J86W10B, J90R01P, J90S14K

All data for this body: [vot]

MPC data
Name (number) Luhmann (8808)
a 2.78701
e 0.04645
i / sin(i) 4.0965 / 0.07144
q 2.65757
Q 2.91646
ω 296.9318
Node 358.4193
m 212.6335
n 0.2118
Epoch 2460800.5
nobs 2505
nopp 26
Years observed 1953-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Hoffmeister (1726)
 
ap 2.788
ep 0.048
sin(ip) 0.076
G 0.150
H 14.270
Mass
D 9.38 0.159
pV 0.055 0.0022
Value
Rotational Period
Period quality None
Spectral Class Kl
Spectral Class Score 1.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1726 Hoffmeister 0 Hoffmeister Novakovic 2019EPSC...13.1671N HCM
1726 Hoffmeister 519 Hoffmeister 0.0500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7880 0.0483 0.0758 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.38 0.159 0.159 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.055 0.0022 0.0022 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
14.27 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C C 0.0653 0.0650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Kl Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT
V C 0.0139 0.0650 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT