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78081 (2002 LD20)
Classification: Main-belt Asteroid          SPK-ID: 2078081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1255548776650779 3.6117e-08  
a 2.359506570567062 1.0964e-08 au
q 2.063259011749567 8.5368e-08 au
i 7.36853660686324 4.404e-06 deg
node 77.76090994479678 4.0377e-05 deg
peri 237.4004357694636 4.6068e-05 deg
M 314.5821498371382 2.3617e-05 deg
tp 2459167.514541607766
(2020-Nov-14.01454161)
8.7175e-05 TDB
period 1323.823887814935
3.62
9.2273e-06
2.526e-08
d
yr
n .2719394953615812 1.8955e-09 deg/d
Q 2.655754129384557 1.2341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      559  
   data-arc span      10091 days (27.63 yr)  
   first obs. used      1992-11-24  
   last obs. used      2020-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:28:19  

Additional Information
 Earth MOID = 1.05998 au 
 Jupiter MOID = 2.58952 au 
 T_jup = 3.530 
[ 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 16.2   n/a MPO436328  

78081 (2002 LD20)          Discovered 2002-Jun-06 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 LD20 = 1995 RQ 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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