Altdorfer

08121, 1972 GR1, 1972GR1, 1990 SU29, 1990SU29, 2572 P-L, 2572P-L, J72G01R, J90S29U, PLS2572

All data for this body: [vot]

MPC data
Name (number) Altdorfer (8121)
a 2.23773
e 0.10121
i / sin(i) 2.6818 / 0.04679
q 2.01124
Q 2.46422
ω 113.5829
Node 9.3738
m 4.1416
n 0.2944
Epoch 2460800.5
nobs 2608
nopp 23
Years observed 1960-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.238
ep 0.146
sin(ip) 0.039
G 0.150
H 15.220
Mass
D 2.47 0.491
pV 0.347 0.1286
Value
Rotational Period 4.020
Period quality 2
Spectral Class S
Spectral Class Score 14.796
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2378 0.1456 0.0392 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.47 0.491 0.491 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.347 0.1286 0.1286 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
15.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.022 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.42 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9948 0.9970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9978 0.9970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT