1998 ST53

1998ST53, 1986 TM4, 1986TM4, 1990 SC, 1990SC, 2004 EV21, 2004EV21, 52882, J86T04M, J90S00C, J98S53T, K04E21V

All data for this body: [vot]

MPC data

Name (number)	1998 ST53 (52882)
a	2.53571
e	0.24082
i / sin(i)	6.9635 / 0.12124
q	1.92507
Q	3.14634
ω	79.0328
Node	334.6958
m	177.9449
n	0.2441
Epoch	2460800.5

n_obs	2039
n_opp	20
Years observed	1986-2025
rms	0.77

Best values

	Value	Standard error
Parent

a_p	2.533
e_p	0.200
sin(i_p)	0.129
G	0.150
H	15.020
Mass
D	6.32	0.108
pV	0.059	0.0078

	Value
Rotational Period
Period quality	None
Spectral Class	C
Spectral Class Score	7.049

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5333	0.2004	0.1287	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.98	1.490	1.490	Masiero	2020PSJ.....1....5M	NEATM
5.51	1.560	1.560	Masiero	2012ApJ...759L...8M	NEATM
6.33	0.109	0.109	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.058	0.0081	0.0081	Masiero	2011ApJ...741...68M	NEATM
0.070	0.0290	0.0290	Masiero	2012ApJ...759L...8M	NEATM
0.078	0.0740	0.0740	Masiero	2020PSJ.....1....5M	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
15.02			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
C				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
C		0.84		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
C	X	0.2037	0.2950	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
C	X	0.3578	0.2950	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	X	0.2635	0.2950	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	X	0.3381	0.2950	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	X	0.5498	0.2950	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT