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134345 (1990 UN5)
Classification: Main-belt Asteroid          SPK-ID: 2134345
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2654646377555233 4.3465e-08  
a 3.061501973418087 1.6651e-08 au
q 2.248781461056835 1.3178e-07 au
i 6.792946065677576 4.5817e-06 deg
node 104.1907222543665 3.7061e-05 deg
peri 303.2305828740122 3.7661e-05 deg
M 218.2265291306159 8.4595e-06 deg
tp 2459971.035608592852
(2023-Jan-26.53560859)
5.0082e-05 TDB
period 1956.591860186512
5.36
1.5962e-05
4.37e-08
d
yr
n .1839934057405733 1.5011e-09 deg/d
Q 3.874222485779339 2.1071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      856  
   data-arc span      10844 days (29.69 yr)  
   first obs. used      1990-10-16  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 18:07:58  

Additional Information
 Earth MOID = 1.26675 au 
 Jupiter MOID = 1.56299 au 
 T_jup = 3.168 
[ 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 14.67   n/a E2021B55  

134345 (1990 UN5)          Discovered 1990-Oct-16 by Elst, E. W. at La Silla
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

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Alternate Designations
 1990 UN5 = 1992 EP22 = 1997 CP6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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