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123869 (2001 DR13)
Classification: Main-belt Asteroid          SPK-ID: 2123869
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1013869552346878 4.2247e-08  
a 3.114541562120717 2.6826e-08 au
q 2.798767676185409 1.2649e-07 au
i 7.068293457438203 4.2209e-06 deg
node 100.2639030056051 4.1956e-05 deg
peri 129.4902805032936 5.0047e-05 deg
M 132.8523495215126 3.0188e-05 deg
tp 2458259.605515795849
(2018-May-21.10551580)
0.0001641 TDB
period 2007.657487986723
5.50
2.5938e-05
7.101e-08
d
yr
n .1793134546874365 2.3167e-09 deg/d
Q 3.430315448056024 2.9546e-08 au
  Orbit Determination Parameters
   # obs. used (total)      755  
   data-arc span      9397 days (25.73 yr)  
   first obs. used      1995-02-01  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53823  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:31:56  

Additional Information
 Earth MOID = 1.79466 au 
 Jupiter MOID = 1.59648 au 
 T_jup = 3.198 
[ 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 14.4   n/a MPO417646  
diameter diameter 7.315 km 0.569 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123869 (2001 DR13)          Discovered 2001-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

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