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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2891292278610579 4.6838e-08  
a 2.609065496763241 5.8976e-08 au
q 1.854708404245158 1.2557e-07 au
i 9.447350163700351 8.9385e-06 deg
node 130.4382735467545 5.8535e-05 deg
peri 140.6223363052548 8.5385e-05 deg
M 293.6976337207152 7.2578e-05 deg
tp 2459283.999584522381
(2021-Mar-10.49958452)
0.00031969 TDB
period 1539.309321150795
4.21
5.2192e-05
1.429e-07
d
yr
n .2338711232716126 7.9297e-09 deg/d
Q 3.363422589281325 7.6027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2004-06-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:40:59  

Additional Information
 Earth MOID = .849444 au 
 Jupiter MOID = 1.82171 au 
 T_jup = 3.332 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457354.5 (2015-Nov-28.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2892212035848493 4.6776e-08  
q 1.855669404258651 1.2637e-07 au
tp 2457743.107968026020
(2016-Dec-20.60796803)
0.00026888 TDB
node 130.4820404602011 5.851e-05 deg
peri 140.3876472930989 8.5291e-05 deg
i 9.447999442534046 8.9387e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      5702 days (15.61 yr)  
   first obs. used      2004-06-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60693  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 12:40:59  

Additional Information
 Jupiter MOID = 1.82171 au 
 T_jup = 3.332 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.187972910925363E-15 -5.553888898542252E-15 8.596182103486861E-13 -5.242173644910184E-14 3.327704769759486E-13 -5.647787723241881E-15
q -5.553888898542252E-15 1.596974001434121E-14 9.028557030629135E-12 2.132168015009343E-13 1.73000752452077E-12 5.158728966893884E-14
tp 8.596182103486861E-13 9.028557030629135E-12 7.229435558948104E-8 4.990307609966304E-10 1.68144100099199E-8 2.40959350664781E-10
node -5.242173644910184E-14 2.132168015009343E-13 4.990307609966304E-10 3.423457843647579E-9 -3.25899225120361E-9 3.39848199268707E-10
peri 3.327704769759486E-13 1.73000752452077E-12 1.68144100099199E-8 -3.25899225120361E-9 7.274631510147143E-9 -2.777580463873808E-10
i -5.647787723241881E-15 5.158728966893884E-14 2.40959350664781E-10 3.39848199268707E-10 -2.777580463873808E-10 7.990070216629569E-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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