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JPL Small-Body Database Browser
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382221 (2012 QD44)
Classification: Main-belt Asteroid          SPK-ID: 2382221
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07723000421120034 7.2019e-08  
a 2.764810382401149 3.0073e-08 au
q 2.551284064925138 2.0431e-07 au
i 1.485209151189898 5.7674e-06 deg
node 123.6959768624815 0.00027723 deg
peri 212.1086029895486 0.00027963 deg
M 239.7688010696137 3.8715e-05 deg
tp 2459561.304037227605
(2021-Dec-12.80403723)
0.00018239 TDB
period 1679.176912465387
4.60
2.7396e-05
7.501e-08
d
yr
n .2143907514017947 3.4979e-09 deg/d
Q 2.97833669987716 3.2395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      7012 days (19.20 yr)  
   first obs. used      2001-02-13  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56719  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:41:42  

Additional Information
 Earth MOID = 1.54153 au 
 Jupiter MOID = 2.29473 au 
 T_jup = 3.335 
[ 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 16.8   n/a MPO423413  

382221 (2012 QD44)          Discovered 2008-Oct-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

[ show close-approach data ]
Alternate Designations
 2012 QD44 = 2010 CY22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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