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(2018 SD3)
Classification: Apollo [NEO]          SPK-ID: 3831067
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2753884987172487 0.00022285  
a 1.379464904869762 0.00043134 au
q .9995761356845461 5.5562e-06 au
i 12.00510715879899 0.0071253 deg
node 187.4176041850667 0.00011344 deg
peri 202.0199923896899 0.0044031 deg
M 357.5850701536381 0.16444 deg
tp 2459004.469779906398
(2020-Jun-03.96977991)
0.27217 TDB
period 591.7856241067923
1.62
0.27757
0.0007599
d
yr
n .6083283968639212 0.00028533 deg/d
Q 1.759353674054978 0.00055013 au
  Orbit Determination Parameters
   # obs. used (total)      22  
   data-arc span      2 days  
   first obs. used      2018-09-30  
   last obs. used      2018-10-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .29925  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 03:38:38  

Additional Information
 Earth MOID = .0142118 au 
 Jupiter MOID = 3.6922 au 
 T_jup = 4.740 
[ 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 27.9   .31488 E2018T36 autocmod 2.6n

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