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3988 Huma (1986 LA)
Classification: Amor [NEO]          SPK-ID: 2003988
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 109 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3167986483094125 3.1131e-08  
a 1.544386553258537 3.3159e-09 AU
q 1.055126980719 4.7722e-08 AU
i 10.76622800153663 5.7953e-06 deg
node 229.8436990308671 2.0042e-05 deg
peri 86.87906704222034 2.5783e-05 deg
M 267.7827489240186 7.5531e-06 deg
tp 2457180.073445521151
(2015-Jun-06.57344552)
1.489e-05 JED
period 701.02328613493
1.92
2.2577e-06
6.181e-09
d
yr
n .513535009635484 1.6539e-09 deg/d
Q 2.033646125798074 4.3663e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      10642 days (29.14 yr)  
   first obs. used      1986-06-04  
   last obs. used      2015-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53222  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-25 06:16:08  

Additional Information
 Earth MOID = .178327 AU 
 T_jup = 4.384 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.8 mag n/a MPO267723  
diameter diameter 0.7 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 10.4 h n/a LCDB (Rev. 2015-July); 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:
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]

3988 Huma           Discovered 1986 June 4 by E. F. Helin at Palomar.
The Huma (or Homa) are legendary birds within Iranian mythology and Sufi fable. A huma is a bird of fortune since its touch, or even sight of its shadow, is said to be auspicious. 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 2014-09-09Last Updated: 2014-11-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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