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123872 (2001 DH23)
Classification: Main-belt Asteroid          SPK-ID: 2123872
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 .1635877182774175 4.7527e-08  
a 2.928366224888857 1.7758e-08 au
q 2.449321475878634 1.4048e-07 au
i 5.064542704778941 4.7775e-06 deg
node 245.78822067292 5.8225e-05 deg
peri 263.5728316252759 5.9939e-05 deg
M 296.3518796370719 1.6357e-05 deg
tp 2459324.108255715190
(2021-Apr-19.60825572)
8.4698e-05 TDB
period 1830.359975961261
5.01
1.6649e-05
4.558e-08
d
yr
n .1966826223955956 1.7891e-09 deg/d
Q 3.40741097389908 2.0663e-08 au
  Orbit Determination Parameters
   # obs. used (total)      379  
   data-arc span      10570 days (28.94 yr)  
   first obs. used      1991-02-19  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:39:39  

Additional Information
 Earth MOID = 1.46702 au 
 Jupiter MOID = 1.65558 au 
 T_jup = 3.251 
[ 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 15.7   n/a MPO417646  

123872 (2001 DH23)          Discovered 2001-Feb-17 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 DH23 = 1999 VL155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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