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78882 (2003 RD23)
Classification: Main-belt Asteroid          SPK-ID: 2078882
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08732856561870701 3.6167e-08  
a 2.442050284528746 1.151e-08 au
q 2.228789536012096 8.7477e-08 au
i 5.797337359575242 4.2532e-06 deg
node 183.5484562768308 4.1713e-05 deg
peri 108.834646530451 4.9372e-05 deg
M 181.9171293587642 2.8605e-05 deg
tp 2459690.024937062999
(2022-Apr-20.52493706)		 0.00011276 TDB
period 1393.895866844822
3.82		 9.8545e-06
2.698e-08		 d
yr
n .2582689342604081 1.8259e-09 deg/d
Q 2.655311033045397 1.2515e-08 au
   Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8022 days (21.96 yr)  
   first obs. used      1998-02-28  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:10  

Additional Information
 Earth MOID = 1.22113 au 
 Jupiter MOID = 2.47881 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456925.5 (2014-Sep-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08832176138050564 3.6107e-08  
q 2.226090517394714 8.7386e-08 au
tp 2456903.266228639137
(2014-Sep-02.76622864)		 0.00010472 TDB
node 183.5754811027884 4.1695e-05 deg
peri 108.9903225280122 4.9216e-05 deg
i 5.798198920469114 4.2547e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      736  
   data-arc span      8022 days (21.96 yr)  
   first obs. used      1998-02-28  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:10  

Additional Information
 Jupiter MOID = 2.47881 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.303692018987284E-15 -3.132987933158561E-15 -1.306464435742798E-13 -4.556640148557075E-15 -3.685678147808649E-14 -5.654499169988394E-16
q -3.132987933158561E-15 7.63636294255432E-15 6.127145899454128E-13 1.128038732589812E-14 1.619550783675089E-13 1.40011025953817E-15
tp -1.306464435742798E-13 6.127145899454128E-13 1.09669867738736E-8 1.476357471322938E-11 2.757161325508938E-9 -2.934134584255099E-12
node -4.556640148557075E-15 1.128038732589812E-14 1.476357471322938E-11 1.738455103070649E-9 -1.72541066314504E-9 2.312611137275963E-11
peri -3.685678147808649E-14 1.619550783675089E-13 2.757161325508938E-9 -1.72541066314504E-9 2.422240286165047E-9 -2.372720754269451E-11
i -5.654499169988394E-16 1.40011025953817E-15 -2.934134584255099E-12 2.312611137275963E-11 -2.372720754269451E-11 1.810236484417219E-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 15.7   n/a MPO449496  
diameter diameter 2.524 km 1.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.084   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78882 (2003 RD23)          Discovered 2003-Sep-13 by NEAT at Haleakala
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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