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JPL Small-Body Database Browser
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154804 (2004 PY89)
Classification: Main-belt Asteroid          SPK-ID: 2154804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1477497627504777 5.5398e-08  
a 2.664968387659343 2.1287e-08 au
q 2.271219940645152 1.4724e-07 au
i 14.78626231235711 7.9018e-06 deg
node 3.542382104405195 1.8722e-05 deg
peri 310.6432177634517 3.0575e-05 deg
M 258.8543878363997 2.5112e-05 deg
tp 2459446.958469263274
(2021-Aug-20.45846926)
0.00011213 TDB
period 1589.046182990223
4.35
1.9039e-05
5.213e-08
d
yr
n .2265509988655975 2.7144e-09 deg/d
Q 3.058716834673533 2.4432e-08 au
  Orbit Determination Parameters
   # obs. used (total)      532  
   data-arc span      7985 days (21.86 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5457  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 09:34:30  

Additional Information
 Earth MOID = 1.28769 au 
 Jupiter MOID = 2.38942 au 
 T_jup = 3.321 
[ 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 15.3   n/a MPO280811  

154804 (2004 PY89)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04

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