Tristan

01966, 1951 GJ, 1951GJ, 1966 CJ, 1966CJ, 2552 P-L, 2552P-L, J51G00J, J66C00J, PLS2552

All data for this body: [vot]

MPC data
Name (number) Tristan (1966)
a 2.44724
e 0.09151
i / sin(i) 2.4836 / 0.04333
q 2.22329
Q 2.67120
ω 60.2936
Node 125.6248
m 134.3654
n 0.2574
Epoch 2460800.5
nobs 4326
nopp 31
Years observed 1951-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.448
ep 0.124
sin(ip) 0.032
G 0.150
H 14.290
Mass
D 8.34 0.132
pV 0.096 0.0182
Value
Rotational Period 3.477
Period quality 2
Spectral Class C
Spectral Class Score 15.247
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4478 0.1238 0.0319 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.76 1.280 1.280 Masiero 2021PSJ.....2..162M NEATM
6.24 1.773 1.773 Masiero 2017AJ....154..168M NEATM
6.29 1.578 1.578 Masiero 2017AJ....154..168M NEATM
6.34 1.680 1.680 Masiero 2021PSJ.....2..162M NEATM
8.41 0.134 0.134 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.085 0.0360 0.0620 Masiero 2021PSJ.....2..162M NEATM
0.092 0.0454 0.0454 Masiero 2017AJ....154..168M NEATM
0.094 0.0537 0.0537 Masiero 2017AJ....154..168M NEATM
0.099 0.0254 0.0254 Masiero 2011ApJ...741...68M NEATM
0.103 0.0480 0.0910 Masiero 2021PSJ.....2..162M 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
14.29 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.477216 2 Sidereal Durech 2018A&A...617A..57D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B C 0.0522 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.0604 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.4601 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.5317 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.7120 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1159 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.1919 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.3965 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4928 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.5054 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.8387 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L C 0.5717 0.2970 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT