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180360 (2003 YJ91)
Classification: Main-belt Asteroid          SPK-ID: 2180360
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133068614547896 3.7305e-08  
a 2.288486171464638 8.5381e-09 au
q 1.98396048721582 8.668e-08 au
i 5.182126072761495 5.6094e-06 deg
node 217.818077822407 3.6473e-05 deg
peri 221.845187149105 4.2428e-05 deg
M 332.8099324052206 2.0686e-05 deg
tp 2459296.005559261833
(2021-Mar-22.50555926)		 7.2594e-05 TDB
period 1264.505916155251
3.46		 7.0766e-06
1.937e-08		 d
yr
n .2846961769025054 1.5933e-09 deg/d
Q 2.593011855713456 9.6743e-09 au
   Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      7811 days (21.39 yr)  
   first obs. used      1999-09-14  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5224  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:26:12  

Additional Information
 Earth MOID = 1.00234 au 
 Jupiter MOID = 2.6381 au 
 T_jup = 3.583 
[ 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 16.60   n/a E2021B55  

180360 (2003 YJ91)          Discovered 2003-Dec-20 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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