Tsubetsu

04845, 1974 SA5, 1974SA5, 1983 AT3, 1983AT3, 1985 SX4, 1985SX4, 1989 WP, 1989WP, 1991 EC1, 1991EC1, J74S05A, J83A03T, J85S04X, J89W00P, J91E01C

All data for this body: [vot]

MPC data

Name (number)	Tsubetsu (4845)
a	2.40083
e	0.06858
i / sin(i)	7.5806 / 0.13192
q	2.23617
Q	2.56549
ω	223.9527
Node	28.1630
m	347.6585
n	0.2649
Epoch	2460800.5

n_obs	6339
n_opp	26
Years observed	1974-2025
rms	0.57

Best values

	Value	Standard error
Parent

a_p	2.401
e_p	0.082
sin(i_p)	0.125
G	0.150
H	13.300
Mass
D	7.83	0.045
pV	0.177	0.0190

	Value
Rotational Period	3.038
Period quality	2
Spectral Class	X
Spectral Class Score	8.450

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.4008	0.0824	0.1248	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.79	0.089	0.089	Masiero	2011ApJ...741...68M	NEATM
7.84	0.052	0.052	Masiero	2011ApJ...741...68M	NEATM
8.61	0.770	0.770	Usui	2011PASJ...63.1117U	NEATM
8.96	1.790	1.790	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.134	0.0540	0.0540	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.182	0.0271	0.0271	Masiero	2011ApJ...741...68M	NEATM
0.184	0.0306	0.0306	Masiero	2011ApJ...741...68M	NEATM

G data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
13.30			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
3.03707	2	Sidereal	Athanasopoulos	2024A%26A...690A.215A	Model
3.03753	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S	M	0.740000	0.260000	Mahlke	VIS	Mahlke	2022A&A...665A..26M	SPEC
X				Bus	VIS	Bus	2002Icar..158..146B	SPEC
X		0.575		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT