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480858 (2001 PT9)
Classification: Apollo [NEO, PHA]          SPK-ID: 2480858
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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 48 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4548924070344075 2.0229e-08  
a 1.468051111797335 2.3648e-09 au
q .8002458079023071 2.9067e-08 au
i 7.182726229005839 1.0985e-05 deg
node 330.0354683040899 1.57e-05 deg
peri 261.548876821795 2.107e-05 deg
M 104.9071767673495 7.3484e-06 deg
tp 2459207.172853173800
(2020-Dec-23.67285317)
1.295e-05 TDB
period 649.6959975253567
1.78
1.5698e-06
4.298e-09
d
yr
n .5541053067453285 1.3388e-09 deg/d
Q 2.135856415692363 3.4405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      5877 days (16.09 yr)  
   first obs. used      2001-08-11  
   last obs. used      2017-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 16:58:21  

Additional Information
 Earth MOID = .028903 au 
 Jupiter MOID = 2.89653 au 
 T_jup = 4.483 
[ 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 20.78   n/a MPCxxxxx  

480858 (2001 PT9)          Discovered 2001-Aug-11 by NEAT at Haleakala
Reference: Last Updated: 2017-01-17

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