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135602 (2002 HX9)
Classification: Main-belt Asteroid          SPK-ID: 2135602
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226464725628564 3.9874e-08  
a 2.271755310372417 8.9421e-09 au
q 1.993132535029303 8.7599e-08 au
i 7.290286404850082 6.1144e-06 deg
node 34.24674323044043 3.4237e-05 deg
peri 253.9996267490906 4.6051e-05 deg
M 92.42862778736875 3.1961e-05 deg
tp 2458879.396706962948
(2020-Jan-30.89670696)
0.00011054 TDB
period 1250.664304562315
3.42
7.3843e-06
2.022e-08
d
yr
n .2878470255261552 1.6995e-09 deg/d
Q 2.550378085715531 1.0039e-08 au
  Orbit Determination Parameters
   # obs. used (total)      650  
   data-arc span      9425 days (25.80 yr)  
   first obs. used      1995-03-24  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:13:46  

Additional Information
 Earth MOID = .990004 au 
 Jupiter MOID = 2.59798 au 
 T_jup = 3.591 
[ 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 16.41   n/a MPCxxxxx  

135602 (2002 HX9)          Discovered 2002-Apr-17 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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