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268274 (2005 PH6)
Classification: Main-belt Asteroid          SPK-ID: 2268274
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 .1044625663325234 7.47e-08  
a 2.270635676195405 1.3511e-08 au
q 2.033439246253849 1.6742e-07 au
i 6.445911344269645 1.0726e-05 deg
node 58.89125485180588 7.3129e-05 deg
peri 267.2584034720744 8.9986e-05 deg
M 355.9545594064086 5.1658e-05 deg
tp 2458614.543745155159
(2019-May-11.04374515)
0.00017934 TDB
period 1249.739833991439
3.42
1.1155e-05
3.054e-08
d
yr
n .288059954726918 2.5711e-09 deg/d
Q 2.507832106136962 1.4923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      235  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-05-18  
   last obs. used      2019-11-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58527  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:39:21  

Additional Information
 Earth MOID = 1.03319 au 
 Jupiter MOID = 2.7533 au 
 T_jup = 3.597 
[ 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 17.1   n/a MPO245577  
diameter diameter 2.111 km 0.341 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268274 (2005 PH6)          Discovered 2005-Aug-07 by Broughton, J. at Reedy Creek
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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