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JPL Small-Body Database Browser
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154772 (2004 PK25)
Classification: Main-belt Asteroid          SPK-ID: 2154772
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08168067546505788 5.1154e-08  
a 2.803619009333405 2.5414e-08 au
q 2.574617514904376 1.4951e-07 au
i 4.968497734047409 5.155e-06 deg
node 148.444658611341 5.9417e-05 deg
peri 211.2957449557369 6.5899e-05 deg
M 100.3283680880664 2.9181e-05 deg
tp 2458522.642762349368
(2019-Feb-08.14276235)
0.00013813 TDB
period 1714.655673490314
4.69
2.3314e-05
6.383e-08
d
yr
n .209954689775815 2.8547e-09 deg/d
Q 3.032620503762435 2.7489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      285  
   data-arc span      8832 days (24.18 yr)  
   first obs. used      1995-09-19  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65554  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 13:30:21  

Additional Information
 Earth MOID = 1.5721 au 
 Jupiter MOID = 2.36447 au 
 T_jup = 3.314 
[ 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 15.9   n/a MPO454006  

154772 (2004 PK25)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

[ show close-approach data ]
Alternate Designations
 2004 PK25 = 1995 SR23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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