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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457591.5 (2016-Jul-22.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015122225427889 4.212e-08  
q 2.798694078525467 1.2596e-07 au
tp 2458266.493762660701
(2018-May-27.99376266)
0.0001646 TDB
node 100.3412343941977 4.2028e-05 deg
peri 130.8695715676035 5.0193e-05 deg
i 7.062735080454618 4.217e-06 deg
  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
 Jupiter MOID = 1.59648 au 
 T_jup = 3.198 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.774108079396768E-15 -5.217466826276048E-15 -6.902347564791784E-13 3.438932005465413E-15 -1.414327722724261E-13 1.321215175138172E-15
q -5.217466826276048E-15 1.58659898066056E-14 3.713140416867771E-12 -1.238818752137334E-14 6.66703636290544E-13 -3.328545449423424E-15
tp -6.902347564791784E-13 3.713140416867771E-12 2.709365004144713E-8 -3.166871612647464E-11 4.556870614291939E-9 1.124365057949516E-12
node 3.438932005465413E-15 -1.238818752137334E-14 -3.166871612647464E-11 1.766342879294654E-9 -1.758056756096124E-9 2.173155405622263E-11
peri -1.414327722724261E-13 6.66703636290544E-13 4.556870614291939E-9 -1.758056756096124E-9 2.519312723421585E-9 -2.143163473019309E-11
i 1.321215175138172E-15 -3.328545449423424E-15 1.124365057949516E-12 2.173155405622263E-11 -2.143163473019309E-11 1.778275158543369E-11

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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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