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48455 (1991 PK13)
Classification: Main-belt Asteroid          SPK-ID: 2048455
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2116968042333466 7.9476e-08  
a 2.349182201199439 2.0767e-08 au
q 1.851867836643659 1.8822e-07 au
i 6.533998013663856 8.5361e-06 deg
node 321.2183701422445 5.9935e-05 deg
peri 14.65725341380115 6.2586e-05 deg
M 276.3501138349463 2.3011e-05 deg
tp 2457706.088025919806
(2016-Nov-13.58802592)
8.6911e-05 JED
period 1315.144519313041
3.60
1.7439e-05
4.775e-08
d
yr
n .2737341750000556 3.6298e-09 deg/d
Q 2.846496565755219 2.5163e-08 au
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      8665 days (23.72 yr)  
   first obs. used      1991-07-17  
   last obs. used      2015-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:43:03  

Additional Information
 Earth MOID = .84081 au 
 Jupiter MOID = 2.52102 au 
 T_jup = 3.520 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5 mag n/a MPO279997  

48455 (1991 PK13)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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