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180331 (2003 YN21)
Classification: Main-belt Asteroid          SPK-ID: 2180331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07195492491750939 4.227e-08  
a 2.416690460986779 1.7164e-08 au
q 2.242797680317614 1.0285e-07 au
i 13.82162508924497 6.6037e-06 deg
node 293.0677156637815 1.9828e-05 deg
peri 94.86869058902006 5.3183e-05 deg
M 260.8160270237175 5.0155e-05 deg
tp 2459578.567171874117
(2021-Dec-30.06717187)
0.00019295 TDB
period 1372.239665245396
3.76
1.4619e-05
4.002e-08
d
yr
n .2623448433372764 2.7948e-09 deg/d
Q 2.590583241655944 1.8399e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      6519 days (17.85 yr)  
   first obs. used      2002-07-21  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53633  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:06:55  

Additional Information
 Earth MOID = 1.29669 au 
 Jupiter MOID = 2.72222 au 
 T_jup = 3.473 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.39   n/a E2021B55  

180331 (2003 YN21)          Discovered 2003-Dec-17 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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