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78449 (2002 RU23)
Classification: Main-belt Asteroid          SPK-ID: 2078449
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .137771660525639 4.8056e-08  
a 2.68031037769276 1.4207e-08 au
q 2.311039566233926 1.257e-07 au
i 4.8294790609426 5.418e-06 deg
node 344.8297756928791 5.3593e-05 deg
peri 18.94327282390395 5.6753e-05 deg
M .2601111027369257 1.7248e-05 deg
tp 2458999.341936301299
(2020-May-29.84193630)
7.6788e-05 TDB
period 1602.787913109646
4.39
1.2743e-05
3.489e-08
d
yr
n .2246086316570399 1.7858e-09 deg/d
Q 3.049581189151594 1.6164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      560  
   data-arc span      8047 days (22.03 yr)  
   first obs. used      1998-10-19  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:26:49  

Additional Information
 Earth MOID = 1.30915 au 
 Jupiter MOID = 2.4071 au 
 T_jup = 3.358 
[ 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 15.6   n/a MPO436330  

78449 (2002 RU23)          Discovered 2002-Sep-04 by LONEOS at Anderson Mesa
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 RU23 = 2000 EP142 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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