Stephenriggs

1971 GL, 1971GL, 1987 DK3, 1987DK3, 2000 EM158, 2000EM158, 28610, J71G00L, J87D03K, K00EF8M

All data for this body: [vot]

MPC data

Name (number)	Stephenriggs (28610)
a	2.58789
e	0.24401
i / sin(i)	15.6703 / 0.27010
q	1.95642
Q	3.21935
ω	333.0754
Node	316.8361
m	296.3575
n	0.2367
Epoch	2460800.5

n_obs	3796
n_opp	26
Years observed	1971-2025
rms	0.64

Best values

	Value	Standard error
Parent

a_p	2.587
e_p	0.230
sin(i_p)	0.272
G	0.150
H	12.900
Mass
D	13.48	1.026
pV	0.070	0.0209

	Value
Rotational Period	3.280
Period quality	3
Spectral Class	X
Spectral Class Score	4.819

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5868	0.2297	0.2721	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
11.23	3.090	3.090	Masiero	2020PSJ.....1....5M	NEATM
11.70	3.420	3.420	Masiero	2020PSJ.....1....5M	NEATM
13.89	1.370	1.370	Usui	2011PASJ...63.1117U	NEATM
14.21	3.090	3.090	Masiero	2012ApJ...759L...8M	NEATM
14.24	2.850	2.850	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.064	0.0260	0.0260	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.073	0.0620	0.0620	Masiero	2012ApJ...759L...8M	NEATM
0.081	0.0670	0.0670	Masiero	2020PSJ.....1....5M	NEATM
0.090	0.0560	0.0560	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
12.90			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
3.288	3	Synodic	Warner	2006MPBu...33...35W	Lightcurve
3.28842	2	Sidereal	Durech	2023A&A...675A..24D	Model
3.29	3	Synodic	Behrend	LCDB	Lightcurve

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
X	X	0.8032	0.8032	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT