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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .11370784617968 2.9676e-08  
a 2.365901174125234 1.0564e-08 au
q 2.096879647341478 6.8665e-08 au
i 6.2587736746 5.2173e-06 deg
node 206.2949464988002 3.2113e-05 deg
peri 72.83920530475609 4.0982e-05 deg
M 146.4533340585953 2.5564e-05 deg
tp 2458855.758017705716
(2020-Jan-07.25801771)
9.4112e-05 TDB
period 1329.20916329605
3.64
8.9025e-06
2.437e-08
d
yr
n .2708377356557679 1.814e-09 deg/d
Q 2.63492270090899 1.1765e-08 au
  Orbit Determination Parameters
   # obs. used (total)      722  
   data-arc span      9154 days (25.06 yr)  
   first obs. used      1995-12-14  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55412  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 01:37:09  

Additional Information
 Earth MOID = 1.09083 au 
 Jupiter MOID = 2.46822 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.33   n/a E2021B55  

146293 (2001 HC22)          Discovered 2001-Apr-23 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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