Stampfer

03440, 1933 OH, 1933OH, 1950 DD, 1950DD, 1979 HQ4, 1979HQ4, 1980 RD3, 1980RD3, 1985 RX3, 1985RX3, J33O00H, J50D00D, J79H04Q, J80R03D, J85R03X

All data for this body: [vot]

MPC data
Name (number) Stampfer (3440)
a 2.80216
e 0.05893
i / sin(i) 7.5358 / 0.13115
q 2.63702
Q 2.96729
ω 144.9568
Node 171.0033
m 199.6728
n 0.2101
Epoch 2460800.5
nobs 4637
nopp 34
Years observed 1933-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.804
ep 0.043
sin(ip) 0.128
G 0.150
H 12.680
Mass
D 10.59 0.157
pV 0.173 0.0149
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 17.903
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8035 0.0426 0.1278 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.59 0.157 0.157 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.173 0.0149 0.0149 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
12.68 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
M S 0.660000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
X Bus VIS Bus 2002Icar..158..146B SPEC
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.92 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.6268 0.8040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8837 0.8040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT