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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1429861839701958 6.6975e-08  
a 3.130522690795648 3.8583e-08 au
q 2.682901197406669 2.2627e-07 au
i 1.033961300420761 6.5506e-06 deg
node 89.69789435213939 0.00035195 deg
peri 40.83586011034522 0.00035288 deg
M 355.4267228284916 2.6499e-05 deg
tp 2457626.200923768996
(2016-Aug-25.70092377)
0.00014911 JED
period 2023.129631084014
5.54
3.7402e-05
1.024e-07
d
yr
n .1779421320655109 3.2897e-09 deg/d
Q 3.578144184184627 4.41e-08 au
  Orbit Determination Parameters
   # obs. used (total)      471  
   data-arc span      6375 days (17.45 yr)  
   first obs. used      1998-10-17  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5455  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 15:46:52  

Additional Information
 Earth MOID = 1.6964 au 
 Jupiter MOID = 1.47654 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. 2016-February); 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. (2016) 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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