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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3149570116915569 6.6675e-08  
a 2.644093151759529 2.5863e-08 au
q 1.811317474047237 1.7123e-07 au
i 10.30539090897057 1.1992e-05 deg
node 310.3848226308181 3.9528e-05 deg
peri 72.07392421840281 4.4154e-05 deg
M 244.1873433673117 2.1288e-05 deg
tp 2459505.704345114921
(2021-Oct-18.20434511)
9.7903e-05 TDB
period 1570.411814472077
4.30
2.3041e-05
6.308e-08
d
yr
n .2292392330995171 3.3634e-09 deg/d
Q 3.476868829471821 3.4009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8619 days (23.60 yr)  
   first obs. used      1995-09-02  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53746  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:00:44  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2055-Apr-20 23:11 00:02 Amphi 0.0193841046655287 0.0193757449282083 0.0193924697459989 5.3338418396581 5.33384178405651 2471743.466289547 2.03004824419136 672.645706842142 115.200463757378 -52.8036379273395 20213.1796482568 T 10 CATAB v2.0e-lin.ifort 2019-Jul-14 11:00:46 2019-Jul-14 11:00
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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