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227856 (2007 DQ64)
Classification: Main-belt Asteroid          SPK-ID: 2227856
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1237842602485408 4.209e-08  
a 2.528719422356828 1.8693e-08 au
q 2.215703759284271 9.9941e-08 au
i 1.684683050659907 4.1685e-06 deg
node 36.5309531654259 0.00033452 deg
peri 206.5529974899381 0.00033726 deg
M 87.72843671165036 4.5704e-05 deg
tp 2458842.578915265210
(2019-Dec-25.07891527)
0.00018684 TDB
period 1468.755119027589
4.02
1.6286e-05
4.459e-08
d
yr
n .2451055287135566 2.7178e-09 deg/d
Q 2.841735085429385 2.1007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      9332 days (25.55 yr)  
   first obs. used      1995-02-24  
   last obs. used      2020-09-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61875  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:25  

Additional Information
 Earth MOID = 1.20141 au 
 Jupiter MOID = 2.16785 au 
 T_jup = 3.441 
[ 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 17.08   n/a E2021B55  

227856 (2007 DQ64)          Discovered 2007-Feb-21 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

Alternate Designations
 2007 DQ64 = 1995 DD9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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