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461580 (2004 PB72)
Classification: Main-belt Asteroid          SPK-ID: 2461580
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .289006025013217 4.785e-08  
a 2.609889367191182 6.152e-08 au
q 1.855615615454999 1.3158e-07 au
i 9.445589584884308 9.3591e-06 deg
node 130.4385964893221 6.8985e-05 deg
peri 140.5554108560003 9.7046e-05 deg
M 200.2539608237205 7.4831e-05 deg
tp 2459283.875133953230
(2021-Mar-10.37513395)
0.00034358 TDB
period 1540.038485409242
4.22
5.4452e-05
1.491e-07
d
yr
n .2337603919712016 8.2653e-09 deg/d
Q 3.364163118927366 7.93e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4853 days (13.29 yr)  
   first obs. used      2004-06-16  
   last obs. used      2017-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58761  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 21:21:58  

Additional Information
 Earth MOID = .849869 au 
 Jupiter MOID = 1.81957 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2901156644894863 4.7861e-08  
q 1.852128854025503 1.3097e-07 au
tp 2457742.715694443837
(2016-Dec-20.21569444)
0.00028853 TDB
node 130.4832980528461 6.892e-05 deg
peri 140.4627873099417 9.6756e-05 deg
i 9.451732009832186 9.3573e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      4853 days (13.29 yr)  
   first obs. used      2004-06-16  
   last obs. used      2017-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58761  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Oct-09 21:21:58  

Additional Information
 Jupiter MOID = 1.81957 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.290709940049866E-15 -5.890918808864053E-15 1.777621038605277E-13 -8.164633577371738E-14 1.764347117489184E-13 -1.005548552246503E-14
q -5.890918808864053E-15 1.715307956432966E-14 1.201263399121856E-11 2.804329870493047E-13 2.478189147326891E-12 6.681034408025874E-14
tp 1.777621038605277E-13 1.201263399121856E-11 8.324911070347555E-8 4.849312945584708E-10 1.978719815185281E-8 2.776241246513589E-10
node -8.164633577371738E-14 2.804329870493047E-13 4.849312945584708E-10 4.749975406668512E-9 -4.56792702411165E-9 4.396302259953843E-10
peri 1.764347117489184E-13 2.478189147326891E-12 1.978719815185281E-8 -4.56792702411165E-9 9.361712336517363E-9 -3.661379946170476E-10
i -1.005548552246503E-14 6.681034408025874E-14 2.776241246513589E-10 4.396302259953843E-10 -3.661379946170476E-10 8.755984958618264E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO419227  

461580 (2004 PB72)          Discovered 2004-Aug-08 by LINEAR at Socorro
Reference: Last Updated: 2016-03-24

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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