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118708 (2000 PO21)
Classification: Main-belt Asteroid          SPK-ID: 2118708
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1743573388113507 4.2303e-08  
a 2.621541282197408 1.4398e-08 au
q 2.164456320649371 1.1189e-07 au
i 3.98759855446798 6.0053e-06 deg
node 319.8043250384076 5.3884e-05 deg
peri 317.9999988840825 5.6151e-05 deg
M 266.7063040584846 1.6306e-05 deg
tp 2459402.275339014940
(2021-Jul-06.77533901)
7.0979e-05 TDB
period 1550.363297173377
4.24
1.2772e-05
3.497e-08
d
yr
n .232203639402682 1.9129e-09 deg/d
Q 3.078626243745444 1.6908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      752  
   data-arc span      8624 days (23.61 yr)  
   first obs. used      1996-09-10  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57202  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:22:17  

Additional Information
 Earth MOID = 1.15005 au 
 Jupiter MOID = 2.06695 au 
 T_jup = 3.379 
[ 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 15.5   n/a MPO280577  

118708 (2000 PO21)          Discovered 2000-Aug-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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