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JPL Small-Body Database Browser
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357005 (1999 HA2)
Classification: Apollo [NEO]          SPK-ID: 2357005
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6983302583214156 3.816e-08  
a 2.793407994078903 1.4591e-08 au
q .8426866679766754 1.0822e-07 au
i 15.0959516688877 1.1014e-05 deg
node 147.2696944400332 9.9184e-05 deg
peri 344.2303786522905 9.3362e-05 deg
M 120.0221484666239 9.578e-06 deg
tp 2458031.962807971165
(2017-Oct-05.46280797)		 4.1314e-05 TDB
period 1705.296828504087
4.67		 1.3361e-05
3.658e-08		 d
yr
n .2111069427812152 1.654e-09 deg/d
Q 4.744129320181131 2.478e-08 au
   Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      5173 days (14.16 yr)  
   first obs. used      1999-04-20  
   last obs. used      2013-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56723  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:22:57  

Additional Information
 Earth MOID = .115006 au 
 Jupiter MOID = .466467 au 
 T_jup = 2.875 
[ show covariance matrix ]

[ 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 17.9   n/a MPO264883  

357005 (1999 HA2)          Discovered 1999-Apr-20 by LINEAR at Socorro
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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