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186393 (2002 NR39)
Classification: Mars-crossing Asteroid          SPK-ID: 2186393
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3220934676974119 4.5412e-08  
a 2.277772092492767 7.7986e-09 au
q 1.544116580597382 1.0573e-07 au
i .5933259353457366 5.5673e-06 deg
node 345.445032478203 0.00049595 deg
peri 348.3166066528706 0.00049602 deg
M 126.8844945382938 8.1122e-06 deg
tp 2458757.942320270081
(2019-Oct-01.44232027)
2.7543e-05 TDB
period 1255.636201117449
3.44
6.4485e-06
1.766e-08
d
yr
n .2867072482297174 1.4724e-09 deg/d
Q 3.011427604388152 1.031e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      9835 days (26.93 yr)  
   first obs. used      1994-03-04  
   last obs. used      2021-02-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50114  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:05  

Additional Information
 Earth MOID = .532148 au 
 Jupiter MOID = 2.37555 au 
 T_jup = 3.537 
[ 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 17.28   n/a MPCxxxxx  

186393 (2002 NR39)          Discovered 2002-Jul-14 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

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