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230440 (2002 PQ165)
Classification: Main-belt Asteroid          SPK-ID: 2230440
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08577462129913618 5.1404e-08  
a 3.079869235166405 3.6017e-08 au
q 2.815694617869147 1.684e-07 au
i 9.734986040638313 5.5248e-06 deg
node 141.5232790614405 3.5817e-05 deg
peri 284.8564340154657 5.3038e-05 deg
M 15.9945062089522 3.6436e-05 deg
tp 2458912.786754764836
(2020-Mar-04.28675476)
0.00020002 TDB
period 1974.225891824361
5.41
3.4631e-05
9.481e-08
d
yr
n .1823499537164553 3.1987e-09 deg/d
Q 3.344043852463663 3.9106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      6381 days (17.47 yr)  
   first obs. used      2002-08-08  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50991  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 06:41:22  

Additional Information
 Earth MOID = 1.84992 au 
 Jupiter MOID = 1.90998 au 
 T_jup = 3.200 
[ 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 15.7   n/a MPO454659  
diameter diameter 3.132 km 0.847 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.125   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

230440 (2002 PQ165)          Discovered 2002-Aug-08 by Lowe, A. at Palomar
Reference: 20100130/Numbers.arcLast Updated: 2010-02-01

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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