1994 QL

1994QL, 1999 JW4, 1999JW4, 52439, J94Q00L, J99J04W

All data for this body: [vot]

MPC data

Name (number)	1994 QL (52439)
a	1.92635
e	0.14295
i / sin(i)	26.5532 / 0.44703
q	1.65098
Q	2.20172
ω	287.3491
Node	45.7580
m	170.1822
n	0.3686
Epoch	2460800.5

n_obs	4388
n_opp	18
Years observed	1994-2025
rms	0.58

Best values

	Value	Standard error
Parent

a_p	1.927
e_p	0.104
sin(i_p)	0.439
G	0.150
H	15.050
Mass
D	3.09	0.234
pV	0.203	0.0304

	Value
Rotational Period	44.845
Period quality	2
Spectral Class	S
Spectral Class Score	11.926

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
1.9265	0.1037	0.4386	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.70	0.400	0.400	Ali-Lagoa	2017A&A...603A..55A	NEATM
3.20	0.500	0.500	Ali-Lagoa	2017A&A...603A..55A	NEATM
3.20	0.500	0.500	Ali-Lagoa	2017A&A...603A..55A	NEATM
3.50	0.500	0.500	Ali-Lagoa	2017A&A...603A..55A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.170	0.0500	0.0500	Ali-Lagoa	2017A&A...603A..55A	NEATM
0.200	0.0600	0.0600	Ali-Lagoa	2017A&A...603A..55A	NEATM
0.210	0.0600	0.0600	Ali-Lagoa	2017A&A...603A..55A	NEATM
0.300	0.0900	0.0900	Ali-Lagoa	2017A&A...603A..55A	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
15.05			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
44.8454	2	Sidereal	Durech	2018A&A...617A..57D	Model
44.8454	2	Sidereal	Wang	2021AN....342..914W	Model

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S				DeMeo-Carry	VIS	Carry		PHOT
S				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
S		0.98		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	S	0.9943	0.9943	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT