Efimov

02754, 1933 WF, 1933WF, 1966 PD, 1966PD, 1966 RB, 1966RB, 1973 YR1, 1973YR1, J33W00F, J66P00D, J66R00B, J73Y01R

All data for this body: [vot]

MPC data
Name (number) Efimov (2754)
a 2.22784
e 0.23217
i / sin(i) 5.7138 / 0.09956
q 1.71060
Q 2.74508
ω 91.1896
Node 275.0754
m 210.1446
n 0.2964
Epoch 2460800.5
nobs 3732
nopp 29
Years observed 1951-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.230
ep 0.186
sin(ip) 0.120
G 0.150
H 13.720
Mass
D
pV
Value
Rotational Period 2.450
Period quality 3
Spectral Class S
Spectral Class Score 12.680
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2303 0.1858 0.1205 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
13.72 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.449 3 Synodic Pravec 2012Icar..218..125P Lightcurve
2.44963 3 Synodic Pravec 2012Icar..218..125P Lightcurve
2.44967 3 Synodic Pravec 2012Icar..218..125P Lightcurve
2.4497 3 Synodic Pray 2006CBET..617....1P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.98 Bus VIS Carvano 2010A&A...510A..43C PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.262 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 1.000000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.6846 0.6846 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sa Bus VIS Bus 2002Icar..158..146B SPEC