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97520 (2000 DA18)
Classification: Main-belt Asteroid          SPK-ID: 2097520
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 .1464910021512871 4.2964e-08  
a 3.127054264377764 2.4877e-08 au
q 2.66896895140761 1.3679e-07 au
i 1.032778996349063 4.5056e-06 deg
node 89.74484121697375 0.00028511 deg
peri 40.15783772830379 0.00028564 deg
M 245.1021794364333 1.812e-05 deg
tp 2459645.130490622405
(2022-Mar-06.63049062)
0.00010541 TDB
period 2019.768307926046
5.53
2.4102e-05
6.599e-08
d
yr
n .1782382655412877 2.1269e-09 deg/d
Q 3.585139577347919 2.8521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      579  
   data-arc span      7616 days (20.85 yr)  
   first obs. used      1998-10-17  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54051  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:18:10  

Additional Information
 Earth MOID = 1.6839 au 
 Jupiter MOID = 1.46613 au 
 T_jup = 3.197 
[ 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 15.2   n/a MPO453424  
diameter diameter 5.284 km 1.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.263 h n/a LCDB (Rev. 2019-August); 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.]
geometric albedo albedo 0.058   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

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 | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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