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JPL Small-Body Database Browser
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382834 (2004 AC21)
Classification: Main-belt Asteroid          SPK-ID: 2382834
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684017111817545 6.4419e-08  
a 2.94448935910344 5.0624e-08 au
q 2.448632312473953 2.1916e-07 au
i 6.056657527295735 8.6595e-06 deg
node 105.5652626365006 7.2206e-05 deg
peri 300.3112281562712 8.049e-05 deg
M 62.78574420947997 3.4295e-05 deg
tp 2458278.636331987370
(2018-Jun-09.13633199)
0.00017256 TDB
period 1845.497285147281
5.05
4.7594e-05
1.303e-07
d
yr
n .1950693739282689 5.0307e-09 deg/d
Q 3.440346405732926 5.9149e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      5467 days (14.97 yr)  
   first obs. used      2003-12-28  
   last obs. used      2018-12-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:47:43  

Additional Information
 Earth MOID = 1.46478 au 
 Jupiter MOID = 1.9641 au 
 T_jup = 3.242 
[ 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 16.5   n/a MPO427905  

382834 (2004 AC21)          Discovered 2004-Jan-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2004 AC21 = 2008 YE95 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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