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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0892669108329721 5.048e-08  
a 1.985924213243081 2.3946e-08 au
q 1.808646893578471 9.08e-08 au
i 24.35035355514913 6.8198e-06 deg
node 91.69556099965453 1.1138e-05 deg
peri 259.4053594373181 7.9387e-05 deg
M 169.914051337135 9.333e-05 deg
tp 2458118.031206978643
(2017-Dec-30.53120698)
0.00025766 TDB
period 1022.215432572224
2.80
1.8489e-05
5.062e-08
d
yr
n .3521762522153708 6.3698e-09 deg/d
Q 2.163201532907692 2.6084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6283 days (17.20 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:40:25  

Additional Information
 Earth MOID = .889045 au 
 Jupiter MOID = 3.13314 au 
 T_jup = 3.741 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457282.5 (2015-Sep-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08913549240451682 5.0323e-08  
q 1.808975356910432 9.0589e-08 au
tp 2457095.071670199258
(2015-Mar-13.57167020)
0.00024261 TDB
node 91.72965170277924 1.1139e-05 deg
peri 259.1999578156253 7.9462e-05 deg
i 24.3492931890587 6.8194e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      6283 days (17.20 yr)  
   first obs. used      2001-12-18  
   last obs. used      2019-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58887  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:40:25  

Additional Information
 Jupiter MOID = 3.13314 au 
 T_jup = 3.741 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.53245146337497E-15 -4.460153569344043E-15 5.380947556160232E-12 1.892530204557829E-14 1.721839822821903E-12 2.04657474845585E-14
q -4.460153569344043E-15 8.20632247627178E-15 -6.359023800615554E-12 -1.960113540719832E-14 -2.017141517511495E-12 -3.268935242305519E-14
tp 5.380947556160232E-12 -6.359023800615554E-12 5.886113286256269E-8 2.305345327702196E-10 1.909919967802595E-8 9.000519292917497E-11
node 1.892530204557829E-14 -1.960113540719832E-14 2.305345327702196E-10 1.240820704624117E-10 -3.720851557717987E-11 2.884715118968865E-12
peri 1.721839822821903E-12 -2.017141517511495E-12 1.909919967802595E-8 -3.720851557717987E-11 6.314224978473501E-9 2.694933313753669E-11
i 2.04657474845585E-14 -3.268935242305519E-14 9.000519292917497E-11 2.884715118968865E-12 2.694933313753669E-11 4.650358338306073E-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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