(136900) 1998 HL49

Discovery Circumstances:	Spacewatch - Steward Observatory, Kitt Peak-Spacewatch 30 Apr 1998	(1)
Orbital Type:	AP	(*)
Taxonomic Type:	-	-
Albedo:	-	-
Diameter:(km)	1.0 - 2.3 km	($)
H:(mag)	17.30	(#)
G:	0.15	(#)
U-B:(mag)	-	-
B-V:(mag)	0.70	( 2)
V-R:(mag)	0.51	( 3)
R-I:(mag)	0.35	( 4)
V-I:(mag)	0.87	( 5)
B-R:(mag)	-	-
Rotation Period:(hrs)	-	-
Quality:	-	-
Lightcurve Amplitude:(mag)	-	-
Spin Vector:	-	-
Sense of Rotation:	-	-
Radar Observations:	-	-
Spectral Observations:	-	-
IR Observations:	-	-

Remarks

* - orbital type derived from osculating orbital elements

$ - diameter range derived from H and assumed albedo for C and S type - 0.04 and 0.20 respectively

# - absolute magnitude H derived from astrometric observation via orbit determination - G value assumed to be 0.15

(001) M.P.E.C. 1998-J12

(002) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)

(003) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)

(004) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)

(005) Lin, C-H. et al. (2018) P&SS 152, 116-135. (Photometric survey and taxonomic identifications of 92 near-Earth asteroids)