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123918 (2001 DM98)
Classification: Main-belt Asteroid          SPK-ID: 2123918
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .136864593635587 5.0688e-08  
a 3.183727161593589 2.6189e-08 au
q 2.747987637375502 1.6715e-07 au
i 18.78912809293213 6.2404e-06 deg
node 172.5228598127748 1.4635e-05 deg
peri 322.6063379768547 2.5776e-05 deg
M 144.7074132756715 1.9142e-05 deg
tp 2458166.453104214644
(2018-Feb-16.95310421)
0.00011138 TDB
period 2074.923984099768
5.68
2.5602e-05
7.009e-08
d
yr
n .1735003319440594 2.1408e-09 deg/d
Q 3.619466685811677 2.9773e-08 au
  Orbit Determination Parameters
   # obs. used (total)      571  
   data-arc span      6687 days (18.31 yr)  
   first obs. used      2001-01-18  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61847  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:01:44  

Additional Information
 Earth MOID = 1.78163 au 
 Jupiter MOID = 1.45829 au 
 T_jup = 3.101 
[ 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 14.6   n/a MPO348222  
diameter diameter 7.118 km 0.390 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

123918 (2001 DM98)          Discovered 2001-Feb-17 by NEAT at Haleakala
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ show close-approach data ]
Alternate Designations
 2001 DM98 = 2002 JO144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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