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227843 (2007 DC20)
Classification: Main-belt Asteroid          SPK-ID: 2227843
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2447887063439026 4.5478e-08  
a 2.568791653374478 2.0744e-08 au
q 1.939980467677925 1.1664e-07 au
i 11.99274673623643 4.7775e-06 deg
node 152.642964175289 3.2595e-05 deg
peri 184.1721728182281 3.584e-05 deg
M 312.0968387146099 1.6952e-05 deg
tp 2459400.602918616254
(2021-Jul-05.10291862)
7.1544e-05 TDB
period 1503.805777507673
4.12
1.8216e-05
4.987e-08
d
yr
n .2393926166427187 2.8998e-09 deg/d
Q 3.197602839071031 2.5822e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      5829 days (15.96 yr)  
   first obs. used      2004-06-06  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53388  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:41:22  

Additional Information
 Earth MOID = .928765 au 
 Jupiter MOID = 2.20006 au 
 T_jup = 3.358 
[ 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 16.39   n/a E2021B55  

227843 (2007 DC20)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 DC20 = 2004 LJ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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