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78454 (2002 RD29)
Classification: Main-belt Asteroid          SPK-ID: 2078454
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06339176224613077 4.6197e-08  
a 2.755712091964029 1.8346e-08 au
q 2.581022646211458 1.3101e-07 au
i 5.091398538880318 4.3581e-06 deg
node 262.204903638934 5.7715e-05 deg
peri 87.4660788692003 6.7824e-05 deg
M 299.879354595906 3.7361e-05 deg
tp 2459279.542480019373
(2021-Mar-06.04248002)
0.00017456 TDB
period 1670.895116507405
4.57
1.6686e-05
4.568e-08
d
yr
n .2154533797145158 2.1516e-09 deg/d
Q 2.930401537716601 1.9509e-08 au
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8907 days (24.39 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:47  

Additional Information
 Earth MOID = 1.5808 au 
 Jupiter MOID = 2.34614 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456954.5 (2014-Oct-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0637887565203009 4.6151e-08  
q 2.576942194537728 1.3049e-07 au
tp 2457619.385340512357
(2016-Aug-18.88534051)
0.00016759 TDB
node 262.2231839779978 5.7711e-05 deg
peri 89.46170869556489 6.7729e-05 deg
i 5.092960125993619 4.3602e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      784  
   data-arc span      8907 days (24.39 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:47  

Additional Information
 Jupiter MOID = 2.34614 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.129933510193932E-15 -5.971976009824811E-15 2.488169939232718E-13 2.573880642899027E-15 7.378566160371781E-14 -2.556802622550585E-16
q -5.971976009824811E-15 1.702787961603195E-14 2.234737634075945E-13 -9.330523002865978E-15 -3.377387297788622E-14 1.072364070248616E-15
tp 2.488169939232718E-13 2.234737634075945E-13 2.808632813311294E-8 -1.956562169993029E-11 5.971279299946227E-9 1.173930009631434E-12
node 2.573880642899027E-15 -9.330523002865978E-15 -1.956562169993029E-11 3.330612355266791E-9 -3.321310222145662E-9 -2.078515276377366E-11
peri 7.378566160371781E-14 -3.377387297788622E-14 5.971279299946227E-9 -3.321310222145662E-9 4.587151820466754E-9 2.091897490071713E-11
i -2.556802622550585E-16 1.072364070248616E-15 1.173930009631434E-12 -2.078515276377366E-11 2.091897490071713E-11 1.901124738847581E-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 14.9   n/a MPO474675  
diameter diameter 3.425 km 0.864 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78454 (2002 RD29)          Discovered 2002-Sep-03 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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