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97520 (2000 DA18)
Classification: Main-belt Asteroid          SPK-ID: 2097520
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1428979232071365 6.7425e-08  
a 3.130329535845368 4.0288e-08 au
q 2.683011946219105 2.269e-07 au
i 1.033950982011616 6.5592e-06 deg
node 89.69792395789032 0.00038354 deg
peri 40.80380813562286 0.00038438 deg
M 319.857334428866 2.745e-05 deg
tp 2457626.073055274301
(2016-Aug-25.57305527)
0.00015618 JED
period 2022.942391676713
5.54
3.9053e-05
1.069e-07
d
yr
n .1779586020250505 3.4355e-09 deg/d
Q 3.577647125471631 4.6045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      6272 days (17.17 yr)  
   first obs. used      1998-10-17  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54892  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 16:40:29  

Additional Information
 Earth MOID = 1.69791 au 
 Jupiter MOID = 1.47785 au 
 T_jup = 3.197 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3 mag n/a MPO359435  
rotation period rot_per 8.2627 h n/a LCDB (Rev. 2015-December); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

97520 (2000 DA18)          Discovered 2000-Feb-25 by McNaught, R. H. at Siding Spring
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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