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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06268785653026632 4.6286e-08  
a 2.754394594961926 1.8749e-08 au
q 2.581727501765212 1.3099e-07 au
i 5.088578454332346 4.3124e-06 deg
node 262.1741999370686 5.7783e-05 deg
peri 87.3786584504856 6.7945e-05 deg
M 343.0415259090672 3.7705e-05 deg
tp 2459279.154202965081
(2021-Mar-05.65420297)
0.00017522 TDB
period 1669.696985448026
4.57
1.7049e-05
4.668e-08
d
yr
n .2156079834470098 2.2015e-09 deg/d
Q 2.92706168815864 1.9925e-08 au
  Orbit Determination Parameters
   # obs. used (total)      787  
   data-arc span      8907 days (24.39 yr)  
   first obs. used      1996-03-24  
   last obs. used      2020-08-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5963  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:52  

Additional Information
 Earth MOID = 1.57968 au 
 Jupiter MOID = 2.34539 au 
 T_jup = 3.336 
[ show covariance matrix ]

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 14.98   n/a E2020-QM9  
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

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