1999 XF134

1999XF134, 1997 GD5, 1997GD5, 49878, J97G05D, J99XD4F

All data for this body: [vot]

MPC data

Name (number)	1999 XF134 (49878)
a	2.25540
e	0.08652
i / sin(i)	7.1182 / 0.12392
q	2.06026
Q	2.45055
ω	170.1246
Node	5.1432
m	115.0558
n	0.2910
Epoch	2460800.5

n_obs	2032
n_opp	19
Years observed	1997-2025
rms	0.71

Best values

	Value	Standard error
Parent

a_p	2.255
e_p	0.140
sin(i_p)	0.118
G	0.150
H	15.540
Mass
D	3.00	0.146
pV	0.135	0.0323

	Value
Rotational Period
Period quality	None
Spectral Class	X
Spectral Class Score	10.438

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.2553	0.1404	0.1185	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Nov-2024

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
2.87	0.620	0.620	Masiero	2020PSJ.....1....5M	NEATM
3.00	0.150	0.150	Masiero	2011ApJ...741...68M	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.135	0.1200	0.1200	Masiero	2020PSJ.....1....5M	NEATM
0.136	0.0335	0.0335	Masiero	2011ApJ...741...68M	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
15.54			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
C				DeMeo-Carry	VIS	DeMeo	2013Icar..226..723D	PHOT
C		0.75		Bus	VIS	Carvano	2010A&A...510A..43C	PHOT
S	X	0.0753	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	X	0.0872	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	X	0.2444	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
S	X	0.5546	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X		0.635		Bus-Demeo	VIS	Sergeyev	2022A&A...658A.109S	PHOT
X	X	0.1257	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	X	0.4356	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT
X	X	0.5433	0.2030	Bus-Demeo	VIS	Sergeyev	2021A&A...652A..59S	PHOT