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(2018 NR1)
Classification: Aten [NEO]          SPK-ID: 3825584
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2446798054487278 6.2557e-05  
a .8780386118073863 2.4873e-05 au
q .663200295093884 7.3715e-05 au
i 4.643731414477614 0.0015647 deg
node 117.2733900295924 5.2338e-05 deg
peri 336.0792545134391 0.00015417 deg
M 312.4266975951804 0.038493 deg
tp 2459040.212721281316
(2020-Jul-09.71272128)
0.03382 TDB
period 300.5168642617762
0.82
0.01277
3.496e-05
d
yr
n 1.19793609880878 5.0903e-05 deg/d
Q 1.092876928520889 3.0959e-05 au
  Orbit Determination Parameters
   # obs. used (total)      30  
   data-arc span      49 days  
   first obs. used      2018-06-23  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .34035  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Aug-12 07:03:04  

Additional Information
 Earth MOID = .0217967 au 
 Jupiter MOID = 4.0396 au 
 T_jup = 6.720 
[ 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 24.6   n/a MPO452014  

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