1998 QY63

1998QY63, 1999 VG203, 1999VG203, 28079, J98Q63Y, J99VK3G

All data for this body: [vot]

MPC data

Name (number)	1998 QY63 (28079)
a	3.13376
e	0.09746
i / sin(i)	23.8554 / 0.40443
q	2.82834
Q	3.43918
ω	276.3484
Node	158.8398
m	183.4522
n	0.1777
Epoch	2460800.5

n_obs	4260
n_opp	24
Years observed	1993-2025
rms	0.64

Best values

	Value	Standard error
Parent

a_p	3.131
e_p	0.100
sin(i_p)	0.400
G	0.150
H	12.310
Mass
D	18.58	0.121
pV	0.071	0.0050

	Value
Rotational Period
Period quality	None
Spectral Class	D
Spectral Class Score	5.486

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.1307	0.0998	0.3997	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
17.20	0.210	0.210	Masiero	2014ApJ...791..121M	NEATM
18.68	0.158	0.158	Masiero	2011ApJ...741...68M	NEATM
20.94	1.420	1.420	Usui	2011PASJ...63.1117U	NEATM
21.63	4.330	4.330	Ali-Lagoa	2018A&A...612A..85A	NEATM
23.01	8.090	8.090	Nugent	2016AJ....152...63N	NEATM
23.83	0.450	0.450	Masiero	2012ApJ...759L...8M	NEATM
24.75	8.050	8.050	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.040	0.0400	0.0400	Nugent	2016AJ....152...63N	NEATM
0.040	0.0700	0.0700	Nugent	2016AJ....152...63N	NEATM
0.049	0.0080	0.0080	Masiero	2012ApJ...759L...8M	NEATM
0.053	0.0210	0.0210	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.080	0.0093	0.0093	Masiero	2011ApJ...741...68M	NEATM
0.100	0.0100	0.0100	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
12.31			MPC-2023-12-04	MPC-2023-12-04	Phot

Spectral Class Data

Class 1	Class 2	Probability of Class 1	Probability of Class 2	Taxonomy	Wavelength	Author	Reference	Method
D	D	0.9143	0.9143	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
L		0.872		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT