Ella

00435, 1898 RA, 1898RA, 1947 KE, 1947KE, I98R00A, J47K00E

All data for this body: [vot]

MPC data
Name (number) Ella (435)
a 2.44957
e 0.15448
i / sin(i) 1.8158 / 0.03169
q 2.07117
Q 2.82798
ω 333.5139
Node 23.1288
m 8.2333
n 0.2571
Epoch 2460800.5
nobs 8186
nopp 65
Years observed 1898-2025
rms 0.58
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.450
ep 0.121
sin(ip) 0.029
G 0.150
H 10.480
Mass
D 36.90 0.349
pV 0.080 0.0035
Value
Rotational Period 4.620
Period quality 3
Spectral Class Xc
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4495 0.1213 0.0287 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
30.45 6.910 6.910 Masiero 2020PSJ.....1....5M NEATM
31.20 7.490 7.490 Masiero 2020PSJ.....1....5M NEATM
34.79 0.570 0.570 Masiero 2012ApJ...759L...8M NEATM
37.04 0.500 0.500 Usui 2011PASJ...63.1117U NEATM
38.88 3.890 3.890 Ali-Lagoa 2018A&A...612A..85A NEATM
40.48 4.050 4.050 Ali-Lagoa 2018A&A...612A..85A NEATM
41.49 1.500 1.500 Tedesco 2002AJ....123.1056T STM
44.40 3.697 3.697 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
44.41 1.532 1.532 Ryan&Woodward 2010AJ....140..933R IRAS-STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.072 0.0052 0.0052 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.074 0.0123 0.0123 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.083 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.084 0.0170 0.0170 Ali-Lagoa 2018A&A...612A..85A NEATM
0.091 0.0180 0.0180 Ali-Lagoa 2018A&A...612A..85A NEATM
0.115 0.0620 0.0620 Masiero 2020PSJ.....1....5M NEATM
0.118 0.0170 0.0170 Masiero 2012ApJ...759L...8M NEATM
0.122 0.0740 0.0740 Masiero 2020PSJ.....1....5M 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
10.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.621 3 Synodic Lang 2018MPBu...45..197L Lightcurve
4.622 3- Synodic Dose 2020MPBu...47..324D Lightcurve
4.623 3 Synodic Barucci 1992AJ....103.1679B Lightcurve
4.6233 3 Synodic Behrend LCDB Lightcurve
4.624 3 Synodic Piironen 1998A&AS..128..525P Lightcurve
4.64 2 Synodic Chang 2016ApJS..227...20C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
Xc Bus-DeMeo VISNIR Bourdelle de Micas 2022A&A...665A..83B SPEC