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268278 (2005 PX23)
Classification: Main-belt Asteroid          SPK-ID: 2268278
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1448488966531598 5.4487e-08  
a 2.395611249891599 1.8085e-08 au
q 2.048609603534904 1.3433e-07 au
i 6.552582482230722 8.1609e-06 deg
node 341.3379173443378 3.9802e-05 deg
peri 147.3203832790077 4.8479e-05 deg
M 211.2092698548782 3.1659e-05 deg
tp 2459560.252854368642
(2021-Dec-11.75285437)
0.00012341 TDB
period 1354.325147649783
3.71
1.5337e-05
4.199e-08
d
yr
n .2658150449504117 3.0101e-09 deg/d
Q 2.742612896248295 2.0705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      9510 days (26.04 yr)  
   first obs. used      1994-10-08  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63242  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:13:56  

Additional Information
 Earth MOID = 1.06659 au 
 Jupiter MOID = 2.30344 au 
 T_jup = 3.506 
[ 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 16.9   n/a MPO433741  

268278 (2005 PX23)          Discovered 2005-Aug-08 by Buie, M. W. at Cerro Tololo
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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