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123868 (2001 DJ13)
Classification: Main-belt Asteroid          SPK-ID: 2123868
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238612879114309 3.9189e-08  
a 3.095551323717013 3.0139e-08 au
q 2.712132349965489 1.1784e-07 au
i 26.84734915614424 5.7175e-06 deg
node 154.4989431158227 9.4644e-06 deg
peri 82.68168413391165 2.4193e-05 deg
M 140.0084533704496 2.3277e-05 deg
tp 2458226.827433401495
(2018-Apr-18.32743340)
0.00012653 TDB
period 1989.323624899404
5.45
2.9052e-05
7.954e-08
d
yr
n .1809660306116379 2.6429e-09 deg/d
Q 3.478970297468537 3.3872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      760  
   data-arc span      8058 days (22.06 yr)  
   first obs. used      1997-10-01  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 14:33:22  

Additional Information
 Earth MOID = 1.85171 au 
 Jupiter MOID = 1.8157 au 
 T_jup = 3.047 
[ 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 14.3   n/a MPO396058  
diameter diameter 8.223 km 0.372 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123868 (2001 DJ13)          Discovered 2001-Feb-19 by Kobayashi, T. at Oizumi
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 DJ13 = 1997 TL1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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