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277181 (2005 PT)
Classification: Main-belt Asteroid          SPK-ID: 2277181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3054945302616094 8.4603e-08  
a 2.399115055143209 3.6925e-08 au
q 1.666198528328679 1.9819e-07 au
i 15.25402187064255 8.727e-06 deg
node 328.1473804175979 1.9811e-05 deg
peri 11.50451707151191 2.977e-05 deg
M 344.4380071156563 4.2277e-05 deg
tp 2459059.172926773280
(2020-Jul-28.67292677)
0.00016073 TDB
period 1357.297474389105
3.72
3.1335e-05
8.579e-08
d
yr
n .2652329403044307 6.1233e-09 deg/d
Q 3.132031581957738 4.8205e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      5095 days (13.95 yr)  
   first obs. used      2005-06-20  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5631  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:46:35  

Additional Information
 Earth MOID = .659126 au 
 Jupiter MOID = 2.27655 au 
 T_jup = 3.416 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437262  

277181 (2005 PT)          Discovered 2005-Aug-01 by Siding Spring Survey at Siding Spring
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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