Phaetusa

00296, 1890 QB, 1890QB, 1917 XB, 1917XB, 1930 YH, 1930YH, I90Q00B, J17X00B, J30Y00H

All data for this body: [vot]

MPC data
Name (number) Phaetusa (296)
a 2.22830
e 0.16050
i / sin(i) 1.7484 / 0.03051
q 1.87066
Q 2.58595
ω 252.5048
Node 121.5499
m 140.4417
n 0.2963
Epoch 2460800.5
nobs 7326
nopp 41
Years observed 1930-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.229
ep 0.123
sin(ip) 0.024
G 0.150
H 12.530
Mass
D 9.27 0.021
pV 0.255 0.0246
Value
Rotational Period 4.538
Period quality 3
Spectral Class L
Spectral Class Score 7.137
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2287 0.1234 0.0244 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.46 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM
8.20 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
9.36 0.022 0.022 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.183 0.0357 0.0357 Masiero 2011ApJ...741...68M NEATM
0.250 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM
0.379 0.0460 0.0460 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
12.53 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.53804 3 Synodic Dykhuis 2016Icar..267..174D Lightcurve
4.53807 2 Sidereal Durech 2023A&A...675A..24D Model
4.53808 2 Sidereal Martikainen 2021A&A...649A..98M Model
4.53809 2 Sidereal Hanus 2016A&A...586A.108H Model
4.538091 2 Sidereal Durech 2016A&A...587A..48D Model
4.53845 3- Synodic Dykhuis 2016Icar..267..174D Lightcurve
4.5385 3 Synodic Pilcher 2011MPBu...38...50P Lightcurve
4.53926 3 Synodic Dykhuis 2016Icar..267..174D 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
L L 0.8628 0.8628 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.634 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT