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180323 (2003 YJ4)
Classification: Main-belt Asteroid          SPK-ID: 2180323
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170929091135217 5.0977e-08  
a 2.216786831675315 9.2365e-09 au
q 1.957216812669905 1.1677e-07 au
i 6.384088659395132 4.9402e-06 deg
node 113.6402424102639 4.4105e-05 deg
peri 265.675062687743 4.9257e-05 deg
M 101.5725967185115 2.1246e-05 deg
tp 2458860.359472471064
(2020-Jan-11.85947247)
7.0694e-05 TDB
period 1205.547498699523
3.30
7.5346e-06
2.063e-08
d
yr
n .2986195072266733 1.8664e-09 deg/d
Q 2.476356850680724 1.0318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      7329 days (20.07 yr)  
   first obs. used      2000-12-22  
   last obs. used      2021-01-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 11:43:15  

Additional Information
 Earth MOID = .970065 au 
 Jupiter MOID = 2.97332 au 
 T_jup = 3.636 
[ 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 16.7   n/a MPO436892  

180323 (2003 YJ4)          Discovered 2003-Dec-16 by CSS at Catalina
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2003 YJ4 = 2001 BU10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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