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3757 Anagolay (1982 XB)

Classification: Apollo [NEO, PHA] SPK-ID: 2003757

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.44630354796355	5.2143e-08
a	1.834366453577306	2.3422e-09	au
q	1.015682197080439	9.6061e-08	au
i	3.867817849320273	6.7028e-06	deg
node	74.96083695184362	6.9929e-05	deg
peri	17.22973130025246	7.3298e-05	deg
M	19.07701735902614	1.1844e-05	deg
t_p	2458952.412128960774 (2020-Apr-12.91212896)	2.9776e-05	TDB
period	907.4601783035215 2.48	1.738e-06 4.758e-09	d yr
n	.3967116228427927	7.5981e-10	deg/d
Q	2.653050710074172	3.3876e-09	au

Orbit Determination Parameters

# obs. used (total)	173
# delay obs. used	0
# Doppler obs. used	2
data-arc span	13428 days (36.76 yr)
first obs. used	1982-12-14
last obs. used	2019-09-19
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	0
norm. resid. RMS	.73686
source	ORB
producer	Otto Matic
solution date	2019-Sep-25 05:57:53

Additional Information

Earth MOID = .036196 au

Jupiter MOID = 2.57139 au

T_jup = 3.897

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
absolute magnitude	H	18.9		n/a	MPO492795
diameter	diameter	0.5	km	n/a	Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543
rotation period	rot_per	9.012	h	n/a	LCDB (Rev. 2019-August); Warner et al., 2009	Result based on less than full coverage, so that the period may be wrong by 30 percent or so. Published Reference List: [Harris, A.W.; Young, J.W. (1985) Bull. Amer. Astron. Soc. 17, 726.] [Binzel, R.P. (1987) Icarus 72, 135-208.] [Harris, A.W.; Young, J.W.; Bowell, E.; Tholen, D.J. (1999) Icarus 142, 173-201.]
geometric albedo	albedo	0.18		n/a	Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543
B-V	BV	0.859		0.012	EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2	#obs=3; phase (min.=31.70, mean=39.95, max.=44.15) deg.
U-B	UB	0.522		0.009	EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2	#obs=3; phase (min.=31.70, mean=39.95, max.=44.15) deg.
Tholen spectral type	spec_T	S		n/a	EAR-A-5-DDR-TAXONOMY-V4.0	used 4 color indices; used ground-based radiometric albedo

3757 Anagolay	Discovered 1982 Dec. 14 by E. F. Helin at Palomar.
Anagolay is the goddess of lost things in ancient Philippine Tagalog mythology. Name suggested by the SGAC Name An Asteroid Campaign.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-09-09	Last Updated: 2014-11-10

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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