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48454 (1991 PP12)
Classification: Main-belt Asteroid          SPK-ID: 2048454
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431052722413285 6.5303e-08  
a 2.341054938420092 1.7349e-08 AU
q 1.771932140283569 1.5516e-07 AU
i 1.862854758881173 7.1078e-06 deg
node 309.7779822944365 0.00017174 deg
peri 71.13081303139634 0.00017251 deg
M 148.760795024491 1.8479e-05 deg
tp 2456459.867903962361
(2013-Jun-16.36790396)
6.3188e-05 JED
period 1308.325587675892
3.58
1.4544e-05
3.982e-08
d
yr
n .2751608646892731 3.0588e-09 deg/d
Q 2.910177736556615 2.1567e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      8575 days (23.48 yr)  
   first obs. used      1991-08-05  
   last obs. used      2015-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5757  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:04:18  

Additional Information
 Earth MOID = .775598 AU 
 T_jup = 3.523 
[ 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 15.6 mag n/a MPO296494  

48454 (1991 PP12)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PP12 = 1998 MO47 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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