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JPL Small-Body Database Browser
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390834 (2004 PM99)
Classification: Main-belt Asteroid          SPK-ID: 2390834
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1595710794048504 6.0762e-08  
a 2.329575202444233 1.8393e-08 au
q 1.957842372835434 1.3348e-07 au
i 6.721467742916817 5.811e-06 deg
node 352.088974271196 5.6355e-05 deg
peri 358.1973110788913 6.083e-05 deg
M 138.7754829597753 2.7041e-05 deg
tp 2458499.862040596087
(2019-Jan-16.36204060)
9.3839e-05 TDB
period 1298.714020239792
3.56
1.5381e-05
4.211e-08
d
yr
n .2771972846905358 3.2829e-09 deg/d
Q 2.701308032053032 2.1328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      8127 days (22.25 yr)  
   first obs. used      1997-10-03  
   last obs. used      2020-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49979  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 09:57:09  

Additional Information
 Earth MOID = .951876 au 
 Jupiter MOID = 2.71865 au 
 T_jup = 3.546 
[ 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 17.9   n/a MPO294764  

390834 (2004 PM99)          Discovered 2004-Aug-10 by LINEAR at Socorro
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2004 PM99 = 1997 TA13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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