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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0768676696523362 1.0173e-07  
a 2.76563113629094 3.7303e-08 au
q 2.553043515726313 2.7137e-07 au
i 1.485132065618087 6.9906e-06 deg
node 123.6939404031877 0.00027992 deg
peri 212.1286403413617 0.00028237 deg
M 153.999057338642 3.9262e-05 deg
tp 2457881.869951756909
(2017-May-08.36995176)
0.00018087 TDB
period 1679.924681607757
4.60
3.3989e-05
9.306e-08
d
yr
n .2142953216542215 4.3357e-09 deg/d
Q 2.978218756855568 4.0171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      6565 days (17.97 yr)  
   first obs. used      2001-02-13  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58667  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:45:03  

Additional Information
 Earth MOID = 1.54239 au 
 Jupiter MOID = 2.29312 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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