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JPL Small-Body Database Browser
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215458 (2002 PJ178)
Classification: Main-belt Asteroid          SPK-ID: 2215458
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09582414195859927 5.1386e-08  
a 2.521084887075152 2.0224e-08 au
q 2.279504090966383 1.2865e-07 au
i 4.238487612779974 5.4809e-06 deg
node 161.5811964314647 6.5212e-05 deg
peri 290.5051264724707 6.9729e-05 deg
M 302.0980055863801 2.6232e-05 deg
tp 2458835.663899293099
(2019-Dec-18.16389929)		 0.00010709 TDB
period 1462.108595789611
4.00		 1.7593e-05
4.817e-08		 d
yr
n .2462197411578599 2.9627e-09 deg/d
Q 2.76266568318392 2.2162e-08 au
   Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      2000-01-05  
   last obs. used      2018-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52811  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-03 12:13:38  

Additional Information
 Earth MOID = 1.30036 au 
 Jupiter MOID = 2.38131 au 
 T_jup = 3.446 
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[ 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 15.9   n/a MPO450015  

215458 (2002 PJ178)          Discovered 2002-Aug-15 by NEAT at Palomar
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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Alternate Designations
 2002 PJ178 = 2005 HA2 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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