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JPL Small-Body Database Browser
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277181 (2005 PT)
Classification: Mars-crossing Asteroid          SPK-ID: 2277181
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .305658751804006 8.444e-08  
a 2.398250560087218 3.5892e-08 au
q 1.6652042873777 1.9788e-07 au
i 15.25307293840886 8.7266e-06 deg
node 328.1716062097867 1.9817e-05 deg
peri 11.57781510350042 2.9799e-05 deg
M 238.2403876449648 3.9971e-05 deg
tp 2459059.318599278659
(2020-Jul-28.81859928)
0.00016077 TDB
period 1356.563909374887
3.71
3.0453e-05
8.338e-08
d
yr
n .2653763656191401 5.9574e-09 deg/d
Q 3.131296832796735 4.6863e-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 = .657266 au 
 Jupiter MOID = 2.2742 au 
 T_jup = 3.417 
[ 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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