Ellen

02735, 1977 RB, 1977RB, J77R00B

All data for this body: [vot]

MPC data
Name (number) Ellen (2735)
a 1.85711
e 0.05474
i / sin(i) 23.0512 / 0.39155
q 1.75545
Q 1.95877
ω 59.5673
Node 344.5408
m 254.7851
n 0.3894
Epoch 2460800.5
nobs 3127
nopp 23
Years observed 1971-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 1.857
ep 0.023
sin(ip) 0.415
G 0.150
H 14.480
Mass
D 3.61 0.031
pV 0.282 0.0195
Value
Rotational Period 159.000
Period quality 3-
Spectral Class X
Spectral Class Score 2.976
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
1.8570 0.0234 0.4149 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.93 0.940 0.940 Nugent 2016AJ....152...63N NEATM
3.36 0.120 0.120 Masiero 2012ApJ...759L...8M NEATM
3.53 0.050 0.050 Masiero 2014ApJ...791..121M NEATM
3.70 0.043 0.043 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.0553 0.0553 Masiero 2011ApJ...741...68M NEATM
0.280 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.280 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM
0.292 0.0250 0.0250 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
14.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
159.0 3- Synodic Warner 2009MPBu...36..109W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.496 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT