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295456 (2008 PB4)
Classification: Main-belt Asteroid          SPK-ID: 2295456
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149570244253195 5.9372e-08  
a 2.644093155622381 2.4856e-08 au
q 1.811317443024203 1.5377e-07 au
i 10.30538533767598 9.5617e-06 deg
node 310.3848084992217 3.8978e-05 deg
peri 72.07394778531865 4.2504e-05 deg
M 244.1873352056797 2.0955e-05 deg
tp 2459505.704381825149
(2021-Oct-18.20438182)
9.6843e-05 TDB
period 1570.411817913484
4.30
2.2144e-05
6.063e-08
d
yr
n .2292392325971612 3.2325e-09 deg/d
Q 3.47686886822056 3.2685e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      9059 days (24.80 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54082  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 19:49:20  

Additional Information
 Earth MOID = .844826 au 
 Jupiter MOID = 2.15224 au 
 T_jup = 3.299 
[ 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 16.1   n/a MPO245670  

295456 (2008 PB4)          Discovered 2008-Aug-05 by La Sagra at La Sagra
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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