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357322 (2003 HW5)
Classification: Main-belt Asteroid          SPK-ID: 2357322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09835846261742334 5.9617e-08  
a 2.233205295526925 1.5892e-08 au
q 2.013550655949808 1.3415e-07 au
i 5.059080952564049 7.3601e-06 deg
node 203.2503796191628 6.5526e-05 deg
peri 26.02791517517172 7.593e-05 deg
M 25.12977811199433 4.0002e-05 deg
tp 2458915.410190071645
(2020-Mar-06.91019007)
0.00013508 TDB
period 1218.965461521015
3.34
1.3012e-05
3.562e-08
d
yr
n .2953324038818911 3.1525e-09 deg/d
Q 2.452859935104042 1.7455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7934 days (21.72 yr)  
   first obs. used      1996-02-17  
   last obs. used      2017-11-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59761  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:15:23  

Additional Information
 Earth MOID = 1.00507 au 
 Jupiter MOID = 2.52615 au 
 T_jup = 3.629 
[ 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 17.4   n/a MPO427814  

357322 (2003 HW5)          Discovered 2003-Apr-24 by Spacewatch at Kitt Peak
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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