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123891 (2001 DL51)
Classification: Main-belt Asteroid          SPK-ID: 2123891
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133642884640364 4.3219e-08  
a 2.75230158121321 1.5608e-08 au
q 2.384476058499641 1.1935e-07 au
i 15.87619212753856 4.6422e-06 deg
node 105.9302943692557 1.566e-05 deg
peri 137.3648522469316 2.2846e-05 deg
M 2.355684319605691 1.5028e-05 deg
tp 2458989.586676057124
(2020-May-20.08667606)
6.962e-05 TDB
period 1667.79418903332
4.57
1.4187e-05
3.884e-08
d
yr
n .2158539718912569 1.8361e-09 deg/d
Q 3.120127103926778 1.7694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      7490 days (20.51 yr)  
   first obs. used      1999-12-14  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 02:04:06  

Additional Information
 Earth MOID = 1.39283 au 
 Jupiter MOID = 2.03529 au 
 T_jup = 3.277 
[ 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 14.9   n/a MPO385544  
diameter diameter 2.956 km 1.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.231 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123891 (2001 DL51)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 DL51 = 2002 LO26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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