Delsemme

02954, 1944 DE, 1944DE, 1951 ER2, 1951ER2, 1976 QJ2, 1976QJ2, 1982 BT1, 1982BT1, J44D00E, J51E02R, J76Q02J, J82B01T

All data for this body: [vot]

MPC data
Name (number) Delsemme (2954)
a 2.28630
e 0.19601
i / sin(i) 3.9374 / 0.06867
q 1.83817
Q 2.73444
ω 50.9924
Node 164.3462
m 125.2061
n 0.2851
Epoch 2460800.5
nobs 5100
nopp 29
Years observed 1944-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.288
ep 0.225
sin(ip) 0.066
G 0.150
H 13.610
Mass
D 5.12 0.030
pV 0.258 0.0293
Value
Rotational Period 4.690
Period quality 3
Spectral Class S
Spectral Class Score 8.144
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2878 0.2252 0.0663 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.81 0.340 0.340 Masiero 2014ApJ...791..121M NEATM
5.03 0.037 0.037 Masiero 2011ApJ...741...68M NEATM
5.32 0.050 0.050 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.120 0.1100 0.1100 Masiero 2014ApJ...791..121M NEATM
0.259 0.0484 0.0484 Masiero 2011ApJ...741...68M NEATM
0.274 0.0390 0.0390 Masiero 2012ApJ...759L...8M 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
13.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.68 3- Synodic Ferrero 2010MPBu...37..145F Lightcurve
4.69 2 Synodic Wisniewski 1997Icar..126..395W Lightcurve
4.691 3 Synodic Szabo 2016A&A...596A..40S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A 0.411 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8674 0.8674 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT