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52569 (1997 HJ11)
Classification: Main-belt Asteroid          SPK-ID: 2052569
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924320986762582 3.5665e-08  
a 2.358744187659768 6.7742e-09 au
q 1.668971674621996 8.4462e-08 au
i 3.403147864827198 3.6214e-06 deg
node 250.0367317192816 6.938e-05 deg
peri 71.65247938367466 6.965e-05 deg
M 121.88790931784 7.8009e-06 deg
tp 2458752.500201691082
(2019-Sep-26.00020169)
2.748e-05 TDB
period 1323.182326235906
3.62
5.7002e-06
1.561e-08
d
yr
n .2720713486433138 1.1721e-09 deg/d
Q 3.048516700697541 8.7552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1289  
   data-arc span      13678 days (37.45 yr)  
   first obs. used      1983-09-09  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:46:15  

Additional Information
 Earth MOID = .65842 au 
 Jupiter MOID = 2.30158 au 
 T_jup = 3.491 
[ 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 14.96   n/a MPCxxxxx  

52569 (1997 HJ11)          Discovered 1997-Apr-30 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 HJ11 = 1983 RF7 = 2001 KM73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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