Shapovalov

17906, 1981 UH3, 1981UH3, 1999 FG32, 1999FG32, J81U03H, J99F32G

All data for this body: [vot]

MPC data

Name (number)	Shapovalov (17906)
a	2.47265
e	0.17147
i / sin(i)	10.6923 / 0.18553
q	2.04865
Q	2.89664
ω	305.7906
Node	46.7383
m	107.0742
n	0.2535
Epoch	2460800.5

n_obs	3612
n_opp	26
Years observed	1954-2025
rms	0.63

Best values

	Value	Standard error
Parent

a_p	2.472
e_p	0.129
sin(i_p)	0.175
G	0.150
H	13.820
Mass
D	7.48	0.065
pV	0.073	0.0087

	Value
Rotational Period	7.819
Period quality	2
Spectral Class	D
Spectral Class Score	29.215

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.4724	0.1291	0.1750	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
7.47	0.065	0.065	Masiero	2011ApJ...741...68M	NEATM
7.74	2.382	2.382	Masiero	2017AJ....154..168M	NEATM
8.40	1.590	1.590	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.072	0.0089	0.0089	Masiero	2011ApJ...741...68M	NEATM
0.090	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.113	0.0631	0.0631	Masiero	2017AJ....154..168M	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
13.82			MPC-2023-12-04	MPC-2023-12-04	Phot

Periods

Value	Quality	Side real or Synodic	Author	Reference	Method
7.81874	2	Synodic	Pal	2020ApJS..247...26P	Lightcurve
7.82134	2	Sidereal	Durech	2018A&A...617A..57D	Model

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
D				Bus-DeMeo	NIR	DeMeo	2014Icar..229..392D	SPEC
D				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
D		0.45		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
D		0.604		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
D	D	0.7818	0.7818	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
Z		1.000000		Mahlke	VISNIR	Mahlke	2022A&A...665A..26M	SPEC