Samahalpern

1975 UP, 1975UP, 2000 VG33, 2000VG33, 26660, J75U00P, K00V33G

All data for this body: [vot]

MPC data
Name (number) Samahalpern (26660)
a 2.32298
e 0.08704
i / sin(i) 9.0730 / 0.15769
q 2.12080
Q 2.52517
ω 359.8807
Node 59.2160
m 330.8447
n 0.2784
Epoch 2460800.5
nobs 2879
nopp 20
Years observed 1975-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.323
ep 0.095
sin(ip) 0.145
G 0.150
H 14.580
Mass
D 4.48 0.166
pV 0.182 0.0164
Value
Rotational Period 149.000
Period quality 2
Spectral Class C
Spectral Class Score 5.606
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3233 0.0952 0.1452 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.47 0.166 0.166 Masiero 2011ApJ...741...68M NEATM
5.11 2.190 2.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.129 0.0840 0.0840 Masiero 2012ApJ...759L...8M NEATM
0.184 0.0167 0.0167 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
14.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
149.5 2 Sidereal Athanasopoulos 2024A%26A...690A.215A Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
C 0.901 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.2513 0.2513 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT