1989 EZ

1989EZ, 12693, 1937 ND, 1937ND, 1949 KB1, 1949KB1, 1969 EF2, 1969EF2, 1970 SJ1, 1970SJ1, 1998 KY17, 1998KY17, 1999 TB27, 1999TB27, J37N00D, J49K01B, J69E02F, J70S01J, J89E00Z, J98K17Y, J99T27B

All data for this body: [vot]

MPC data

Name (number)	1989 EZ (12693)
a	2.55471
e	0.21306
i / sin(i)	7.0400 / 0.12256
q	2.01040
Q	3.09903
ω	259.2847
Node	20.0480
m	186.1974
n	0.2414
Epoch	2460800.5

n_obs	6020
n_opp	27
Years observed	1949-2025
rms	0.57

Best values

	Value	Standard error
Parent

a_p	2.555
e_p	0.196
sin(i_p)	0.126
G	0.150
H	12.750
Mass
D	8.20	0.046
pV	0.281	0.0500

	Value
Rotational Period	5.800
Period quality	2
Spectral Class	S
Spectral Class Score	9.830

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5552	0.1961	0.1258	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
8.09	0.050	0.050	Masiero	2014ApJ...791..121M	NEATM
8.68	0.112	0.112	Masiero	2011ApJ...741...68M	NEATM
9.31	0.650	0.650	Usui	2011PASJ...63.1117U	NEATM
9.81	1.960	1.960	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.209	0.0840	0.0840	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.284	0.1361	0.1361	Masiero	2011ApJ...741...68M	NEATM
0.330	0.0700	0.0700	Masiero	2014ApJ...791..121M	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
12.75			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
11.11	2	Synodic	Yeh	2020AJ....160...73Y	Lightcurve
5.89	2	Synodic	Clark	2019MPBu...46..346C	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S		0.740		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
S	S	0.8984	0.8984	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT