Needham

02790, 1965 UU1, 1965UU1, 1978 UR2, 1978UR2, 1980 DR1, 1980DR1, J65U01U, J78U02R, J80D01R

All data for this body: [vot]

MPC data
Name (number) Needham (2790)
a 2.65375
e 0.17862
i / sin(i) 14.6181 / 0.25238
q 2.17975
Q 3.12776
ω 359.4342
Node 50.6518
m 273.6541
n 0.2280
Epoch 2460800.5
nobs 3562
nopp 27
Years observed 1965-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.653
ep 0.173
sin(ip) 0.232
G 0.150
H 12.570
Mass
D 7.91 0.058
pV 0.339 0.0347
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 34.977
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6527 0.1730 0.2320 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.91 0.058 0.058 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.339 0.0347 0.0347 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
12.57 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
LS 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Xu 1995Icar..115....1X SPEC
S 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.6662 0.8450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9149 0.8450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9627 0.8450 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT