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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1379375438174588 4.5079e-08  
a 2.681251559739885 1.3227e-08 au
q 2.311406305232635 1.1583e-07 au
i 4.829419597306951 4.2277e-06 deg
node 344.8255833084508 5.3306e-05 deg
peri 19.07618215395039 5.646e-05 deg
M 89.05924037390345 1.6964e-05 deg
tp 2458999.782593740923
(2020-May-30.28259374)
7.5115e-05 TDB
period 1603.632207659353
4.39
1.1867e-05
3.249e-08
d
yr
n .2244903777066518 1.6612e-09 deg/d
Q 3.051096814247135 1.5052e-08 au
  Orbit Determination Parameters
   # obs. used (total)      662  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-10-19  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48368  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:36:50  

Additional Information
 Earth MOID = 1.30873 au 
 Jupiter MOID = 2.40707 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 15.64   n/a MPCxxxxx  

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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