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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2924348478927959 3.8334e-08  
a 2.358310385197066 7.0576e-09 au
q 1.668658246417961 9.1249e-08 au
i 3.403607466877607 4.0356e-06 deg
node 250.0389131047508 8.3433e-05 deg
peri 71.61455840208173 8.3739e-05 deg
M 67.51111415186007 7.937e-06 deg
tp 2458752.430913926041
(2019-Sep-25.93091393)
2.8628e-05 TDB
period 1322.817318430592
3.62
5.9381e-06
1.626e-08
d
yr
n .2721464218710931 1.2217e-09 deg/d
Q 3.047962523976171 9.1214e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1146  
   data-arc span      13289 days (36.38 yr)  
   first obs. used      1983-09-09  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52697  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:30:58  

Additional Information
 Earth MOID = .660048 au 
 Jupiter MOID = 2.30192 au 
 T_jup = 3.492 
[ 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 14.9   n/a MPO296520  

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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