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(2020 LD)
Classification: Apollo [NEO]          SPK-ID: 54017368
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .8005064579820682 1.8715e-05  
a 1.220124979583392 6.2529e-05 au
q .2434070538816475 1.0481e-05 au
i 3.432082688097342 0.00016427 deg
node 73.23683963827737 0.00026525 deg
peri 46.37942255523504 0.00031003 deg
M 175.3240205660109 0.014266 deg
tp 2458960.758164903714
(2020-Apr-21.25816490)		 0.0010971 TDB
period 492.2717398108475
1.35		 0.037842
0.0001036		 d
yr
n .7313034059975246 5.6217e-05 deg/d
Q 2.196842905285135 0.00011258 au
   Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      40 days  
   first obs. used      2020-06-07  
   last obs. used      2020-07-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .40032  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-25 06:40:14  

Additional Information
 Earth MOID = .00180588 au 
 Jupiter MOID = 2.91964 au 
 T_jup = 4.844 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.4   .23325 E2020-OA3 autocmod 2.8

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