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277940 (2006 PK28)
Classification: Inner Main-belt Asteroid          SPK-ID: 2277940
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08908510551941376 4.2201e-08  
a 1.986471452960617 1.0826e-08 au
q 1.809506433962317 8.3559e-08 au
i 24.34877974852566 6.2967e-06 deg
node 91.69503257290175 1.06e-05 deg
peri 259.1759141068881 3.4068e-05 deg
M 310.9852013818324 3.4384e-05 deg
tp 2459139.734429989223
(2020-Oct-17.23442999)
9.7843e-05 TDB
period 1022.637983001759
2.80
8.3599e-06
2.289e-08
d
yr
n .3520307342225726 2.8778e-09 deg/d
Q 2.163436471958916 1.1791e-08 au
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6792 days (18.60 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:14:48  

Additional Information
 Earth MOID = .889892 au 
 Jupiter MOID = 3.13312 au 
 T_jup = 3.741 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457483.5 (2016-Apr-05.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08902944652348527 4.2168e-08  
q 1.809324005241399 8.3457e-08 au
tp 2457095.129146257068
(2015-Mar-13.62914626)
9.6866e-05 TDB
node 91.72793191097161 1.0601e-05 deg
peri 259.2427593289655 3.4105e-05 deg
i 24.34776814104778 6.2965e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      301  
   data-arc span      6792 days (18.60 yr)  
   first obs. used      2001-12-18  
   last obs. used      2020-07-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57923  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 21:14:48  

Additional Information
 Jupiter MOID = 3.13312 au 
 T_jup = 3.741 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.778158098852435E-15 -3.4949223350219E-15 -6.898944040496502E-13 2.240012300288992E-15 -2.420460640125022E-13 4.224276973178768E-15
q -3.4949223350219E-15 6.965051428099161E-15 1.352142016475433E-12 -2.904721431442308E-15 4.817153829172902E-13 -8.382402106673291E-15
tp -6.898944040496502E-13 1.352142016475433E-12 9.382996236019256E-9 3.160155045869101E-11 3.148444629648848E-9 7.410512817456938E-12
node 2.240012300288992E-15 -2.904721431442308E-15 3.160155045869101E-11 1.12373323947856E-10 -9.155266567648976E-11 1.083871833705274E-11
peri -2.420460640125022E-13 4.817153829172902E-13 3.148444629648848E-9 -9.155266567648976E-11 1.163177783441174E-9 -7.119058477995479E-12
i 4.224276973178768E-15 -8.382402106673291E-15 7.410512817456938E-12 1.083871833705274E-11 -7.119058477995479E-12 3.964528899680105E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO470940  

277940 (2006 PK28)          Discovered 2006-Aug-14 by Siding Spring Survey at Siding Spring
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

Alternate Designations
 2006 PK28 = 2001 YC2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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