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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2432857550198541 6.3566e-08  
a 2.340824503378926 1.7058e-08 au
q 1.771335246705409 1.5163e-07 au
i 1.862757728201852 6.4348e-06 deg
node 309.7685377744853 0.00017128 deg
peri 71.09545109431666 0.00017194 deg
M 258.9088729761243 1.9138e-05 deg
tp 2457767.834946347748
(2017-Jan-14.33494635)
7.2636e-05 JED
period 1308.132420503699
3.58
1.4299e-05
3.915e-08
d
yr
n .2752014966966275 3.0082e-09 deg/d
Q 2.910313760052443 2.1208e-08 au
  Orbit Determination Parameters
   # obs. used (total)      616  
   data-arc span      8688 days (23.79 yr)  
   first obs. used      1991-08-05  
   last obs. used      2015-05-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57205  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:43:03  

Additional Information
 Earth MOID = .773474 au 
 Jupiter MOID = 2.55363 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
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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