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214090 (2004 JW21)
Classification: Outer Main-belt Asteroid          SPK-ID: 2214090
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1294315211828218 6.0156e-08  
a 3.205381385215959 4.1772e-08 au
q 2.790503996556357 2.0362e-07 au
i 1.649243663674831 6.6516e-06 deg
node 42.62329629777776 0.00023485 deg
peri 188.0557402386243 0.00023714 deg
M 285.1978805583212 3.7492e-05 deg
tp 2459436.041352261008
(2021-Aug-09.54135226)
0.00022286 TDB
period 2096.128933033931
5.74
4.0975e-05
1.122e-07
d
yr
n .1717451604844445 3.3573e-09 deg/d
Q 3.620258773875561 4.7179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      5747 days (15.73 yr)  
   first obs. used      2004-05-09  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:06:06  

Additional Information
 Earth MOID = 1.78004 au 
 Jupiter MOID = 1.37114 au 
 T_jup = 3.179 
[ 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 15.8   n/a MPO422834  

214090 (2004 JW21)          Discovered 2004-May-09 by Spacewatch at Kitt Peak
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2004 JW21 = 2009 DY24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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