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160397 (2004 PJ85)
Classification: Main-belt Asteroid          SPK-ID: 2160397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | 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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2386210261015013 3.5754e-08  
a 2.2235332641582 1.0484e-08 au
q 1.69295147509395 8.4128e-08 au
i 7.205804054016493 4.0218e-06 deg
node 10.90462454594021 2.8165e-05 deg
peri 302.2471400973573 2.9524e-05 deg
M 60.5664250138819 8.3714e-06 deg
tp 2459192.752019759702
(2020-Dec-09.25201976)
2.7673e-05 TDB
period 1211.055017193033
3.32
8.5652e-06
2.345e-08
d
yr
n .2972614744079944 2.1024e-09 deg/d
Q 2.754115053222451 1.2986e-08 au
  Orbit Determination Parameters
   # obs. used (total)      633  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1993-02-26  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52729  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:11  

Additional Information
 Earth MOID = .692439 au 
 Jupiter MOID = 2.57 au 
 T_jup = 3.600 
[ 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 16.61   n/a E2021B55  

160397 (2004 PJ85)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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