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135664 (2002 NH4)
Classification: Main-belt Asteroid          SPK-ID: 2135664
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2022439506169682 2.9809e-08  
a 2.478525934658737 1.1009e-08 au
q 1.97725905792674 7.6782e-08 au
i 4.013831176932319 6.5199e-06 deg
node 139.9501808592858 7.5029e-05 deg
peri 135.7516163953153 7.8199e-05 deg
M 272.5798196284888 2.1759e-05 deg
tp 2459546.596992775047
(2021-Nov-28.09699277)
8.7194e-05 TDB
period 1425.242053602769
3.90
9.4956e-06
2.6e-08
d
yr
n .2525886736852742 1.6829e-09 deg/d
Q 2.979792811390733 1.3235e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      9304 days (25.47 yr)  
   first obs. used      1995-10-23  
   last obs. used      2021-04-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50942  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 09:21:41  

Additional Information
 Earth MOID = .961443 au 
 Jupiter MOID = 2.15323 au 
 T_jup = 3.448 
[ 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 16.57   n/a MPCxxxxx  

135664 (2002 NH4)          Discovered 2002-Jul-03 by NEAT at Palomar
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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