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JPL Small-Body Database Browser
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56552 (2000 HL78)
Classification: Main-belt Asteroid          SPK-ID: 2056552
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350262484868059 6.1932e-08  
a 2.318952435377831 1.1057e-08 au
q 2.00583298760942 1.4461e-07 au
i 6.626438407594271 5.4824e-06 deg
node 328.6808827660564 3.6868e-05 deg
peri 1.90570636466458 4.0172e-05 deg
M 30.95085317700091 1.703e-05 deg
tp 2458489.606443421079
(2019-Jan-06.10644342)
6.0922e-05 TDB
period 1289.841030879136
3.53
9.2255e-06
2.526e-08
d
yr
n .2791041619715178 1.9963e-09 deg/d
Q 2.632071883146242 1.255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      836  
   data-arc span      9684 days (26.51 yr)  
   first obs. used      1993-05-30  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54292  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:44:45  

Additional Information
 Earth MOID = .994023 au 
 Jupiter MOID = 2.69367 au 
 T_jup = 3.558 
[ 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 15.3   n/a MPO449365  

56552 (2000 HL78)          Discovered 2000-Apr-28 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 HL78 = 2001 SX105 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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