Tyche

00258, 1886 JA, 1886JA, I86J00A

All data for this body: [vot]

MPC data
Name (number) Tyche (258)
a 2.61410
e 0.20501
i / sin(i) 14.3282 / 0.24748
q 2.07819
Q 3.15002
ω 155.3743
Node 207.5374
m 183.2223
n 0.2332
Epoch 2460800.5
nobs 4660
nopp 69
Years observed 1886-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.616
ep 0.167
sin(ip) 0.250
G 0.150
H 8.260
Mass
D 64.13 0.617
pV 0.169 0.0048
Value
Rotational Period 10.040
Period quality 3
Spectral Class S
Spectral Class Score 68.250
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6156 0.1666 0.2498 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
57.69 1.826 1.826 Ryan&Woodward 2010AJ....140..933R IRAS-STM
59.11 11.820 11.820 Ali-Lagoa 2018A&A...612A..85A NEATM
64.37 0.890 0.890 Usui 2011PASJ...63.1117U NEATM
64.78 1.200 1.200 Tedesco 2002AJ....123.1056T STM
65.17 12.820 12.820 Nugent 2016AJ....152...63N NEATM
65.84 2.080 2.080 Masiero 2012ApJ...759L...8M NEATM
69.02 6.900 6.900 Ali-Lagoa 2018A&A...612A..85A NEATM
71.13 3.125 3.125 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0125 0.0125 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.162 0.0210 0.0210 Masiero 2012ApJ...759L...8M NEATM
0.168 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.186 0.0370 0.0370 Ali-Lagoa 2018A&A...612A..85A NEATM
0.210 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM
0.212 0.0135 0.0135 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.253 0.1010 0.1010 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
8.26 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.0 Synodic Schober 1994A&AS..105..281S Lightcurve
10.0382 3- Synodic Behrend LCDB Lightcurve
10.0399 3 Synodic Behrend LCDB Lightcurve
10.04 2- Synodic Behrend LCDB Lightcurve
10.04008 2 Sidereal Hanus 2011A&A...530A.134H Model
10.0404 2 Sidereal Durech 2023A&A...675A..24D Model
10.04044 3 Synodic Behrend LCDB Lightcurve
10.041 3 Synodic Harris 1989Icar...81..314H Lightcurve
9.983 2 Synodic Riccioli 2001P&SS...49..657R Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K 0.491 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S Bus-DeMeo VISNIR DeMeo 2009Icar..202..160D SPEC
S Bus VIS Bus 2002Icar..158..146B SPEC
S Bus VIS Lazzaro 2004Icar..172..179L SPEC
S Tholen VIS Clark 1995Icar..113..387C PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S Tholen VISNIR Nathues 2010Icar..208..252N SPEC+PHOT
S 0.920000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.980000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
Sp SSp Howell VISNIR Howell 1994JGR....9910847H PHOT