1988 ER1

1988ER1, 10507, 1975 TY4, 1975TY4, 1975 VZ6, 1975VZ6, 1978 QQ3, 1978QQ3, 1986 WC11, 1986WC11, J75T04Y, J75V06Z, J78Q03Q, J86W11C, J88E01R

All data for this body: [vot]

MPC data

Name (number)	1988 ER1 (10507)
a	2.34979
e	0.09579
i / sin(i)	7.1460 / 0.12440
q	2.12469
Q	2.57488
ω	240.3605
Node	27.0623
m	32.3967
n	0.2736
Epoch	2460800.5

n_obs	4135
n_opp	26
Years observed	1975-2025
rms	0.65

Best values

	Value	Standard error
Parent	Vesta (4)

a_p	2.350
e_p	0.094
sin(i_p)	0.118
G	0.150
H	13.670
Mass
D	4.56	0.121
pV	0.302	0.0579

	Value
Rotational Period	3.729
Period quality	2
Spectral Class	S
Spectral Class Score	5.982

Family data

Parent	Parent name	Family ID	Family name	C_j	Author	Reference	Method
4	Vesta	0	Vesta		Novakovic	2019EPSC...13.1671N	HCM
4	Vesta	401	Vesta		Nesvorny	doi.org/10.26033/6cg5-pt13	HCM-2020-08-14

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.3500	0.0944	0.1182	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
4.56	0.135	0.135	Masiero	2011ApJ...741...68M	NEATM
4.57	0.270	0.270	Masiero	2012ApJ...759L...8M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.256	0.0722	0.0722	Masiero	2011ApJ...741...68M	NEATM
0.384	0.0970	0.0970	Masiero	2012ApJ...759L...8M	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
13.67			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
3.729	2	Synodic	Erasmus	2020ApJS..247...13E	Lightcurve
3.729382	2	Sidereal	Durech	2018A&A...617A..57D	Model
3.729397	2	Sidereal	Durech	2020A&A...643A..59D	Model

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
S		0.997		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT