Sisyphus

01866, 1972 XA, 1972XA, J72X00A

All data for this body: [vot]

MPC data
Name (number) Sisyphus (1866)
a 1.89362
e 0.53807
i / sin(i) 41.2071 / 0.65878
q 0.87473
Q 2.91252
ω 293.1099
Node 63.4526
m 64.9847
n 0.3782
Epoch 2460800.5
nobs 9397
nopp 38
Years observed 1955-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 12.480
Mass
D 5.93 0.064
pV 0.270 0.0292
Value
Rotational Period 2.000
Period quality 3
Spectral Class S
Spectral Class Score 56.060
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.72 0.070 0.070 Usui 2011PASJ...63.1117U NEATM
6.60 0.189 0.189 Mainzer 2011ApJ...743..156M NEATM
7.11 0.710 0.710 Ali-Lagoa 2018A&A...612A..85A NEATM
7.28 0.730 0.730 Ali-Lagoa 2018A&A...612A..85A NEATM
8.48 nan nan Delbo 2003Icar..166..116D RADIOMETRY_NEATM
8.70 0.590 0.590 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.0498 0.0498 Masiero 2011ApJ...741...68M NEATM
0.255 0.0490 0.0490 Mainzer 2011ApJ...743..156M NEATM
0.365 0.0730 0.0730 Ali-Lagoa 2018A&A...612A..85A NEATM
0.383 0.0770 0.0770 Ali-Lagoa 2018A&A...612A..85A 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
12.48 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.4 Synodic Pravec LCDB Lightcurve
2.3953 2+ Synodic Behrend LCDB Lightcurve
2.3909 2 Synodic Warner 2016MPBu...43..311W Lightcurve
2.4 3 Synodic Schober 1993A&AS..101..499S Lightcurve
2.401 2 Synodic Stephens 2011MPBu...38..212S Lightcurve
2.402 Synodic Skiff 1996DPS....28.1036S Lightcurve
2.402 1 Synodic Aznar 2018arXiv180109420A Lightcurve
2.40211 3 Synodic Behrend LCDB Lightcurve
2.4055 2+ Synodic Warner 2016MPBu...43..306W Lightcurve
2.7 Synodic Szabo 2001A&A...375..285S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S Bus-DeMeo VISNIR Thomas 2014Icar..228..217T SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Bus VISNIR Binzel 2004Icar..170..259B SPEC
S Bus VISNIR de Leon 2010A&A...517A..23D SPEC
S Tholen VIS Fevik 2007Icar..188..175F SPEC
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S E 0.580000 0.210000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Sw Bus-DeMeo VISNIR Binzel 2019Icar..324...41B SPEC
Sw Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC