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243055 (2007 DL20)
Classification: Main-belt Asteroid          SPK-ID: 2243055
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1031090084819061 5.7869e-08  
a 2.5325261771992 2.4834e-08 au
q 2.271399914113719 1.4367e-07 au
i 4.161781140949092 6.7806e-06 deg
node 147.5746837991894 7.6261e-05 deg
peri 118.6885890096186 8.2592e-05 deg
M 10.85418639494998 3.4141e-05 deg
tp 2458956.116237441895
(2020-Apr-16.61623744)
0.0001393 TDB
period 1472.072980831775
4.03
2.1653e-05
5.928e-08
d
yr
n .2445530926031853 3.5971e-09 deg/d
Q 2.793652440284682 2.7394e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      8780 days (24.04 yr)  
   first obs. used      1995-02-24  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57862  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:16:30  

Additional Information
 Earth MOID = 1.25908 au 
 Jupiter MOID = 2.27484 au 
 T_jup = 3.439 
[ 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 MPO470591  
diameter diameter 3.054 km 0.741 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243055 (2007 DL20)          Discovered 2007-Feb-17 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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