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146293 (2001 HC22)
Classification: Main-belt Asteroid          SPK-ID: 2146293
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139923331582124 3.0682e-08  
a 2.366145968608198 1.0816e-08 au
q 2.096423469053651 7.1573e-08 au
i 6.258670922134569 5.2277e-06 deg
node 206.30067533378 3.4064e-05 deg
peri 72.87829084728251 4.2553e-05 deg
M 39.13223513917417 2.5502e-05 deg
tp 2458855.991670729403
(2020-Jan-07.49167073)
9.4103e-05 TDB
period 1329.415464064203
3.64
9.1156e-06
2.496e-08
d
yr
n .2707957066329222 1.8568e-09 deg/d
Q 2.635868468162744 1.2049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      9088 days (24.88 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55949  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:29:03  

Additional Information
 Earth MOID = 1.09056 au 
 Jupiter MOID = 2.46989 au 
 T_jup = 3.531 
[ 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 16.3   n/a MPO475268  

146293 (2001 HC22)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

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