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135603 (2002 HC12)
Classification: Main-belt Asteroid          SPK-ID: 2135603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954050890681289 4.1446e-08  
a 2.274905426485314 1.0607e-08 au
q 1.830377329001381 9.4515e-08 au
i 1.755001132565194 5.732e-06 deg
node 180.889083022119 0.00015574 deg
peri 90.13319860436066 0.00015642 deg
M 106.8092380564145 1.6865e-05 deg
tp 2458828.665431073018
(2019-Dec-11.16543107)
5.7552e-05 TDB
period 1253.266545568006
3.43
8.7651e-06
2.4e-08
d
yr
n .2872493495283086 2.009e-09 deg/d
Q 2.719433523969246 1.2679e-08 au
  Orbit Determination Parameters
   # obs. used (total)      399  
   data-arc span      7816 days (21.40 yr)  
   first obs. used      1999-07-13  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:47  

Additional Information
 Earth MOID = .813434 au 
 Jupiter MOID = 2.38216 au 
 T_jup = 3.584 
[ 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 17.01   n/a MPCxxxxx  

135603 (2002 HC12)          Discovered 2002-Apr-29 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

Alternate Designations
 2002 HC12 = 1999 NC6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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