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70045 (1999 DA5)
Classification: Main-belt Asteroid          SPK-ID: 2070045
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2930652077050168 4.4596e-08  
a 3.122974516221436 1.8374e-08 au
q 2.207739340967526 1.4055e-07 au
i 21.21526394763493 4.6802e-06 deg
node 267.315583060943 1.2147e-05 deg
peri 258.6495889211655 1.4727e-05 deg
M 338.0934170508467 6.7244e-06 deg
tp 2459323.165724146635
(2021-Apr-18.66572415)
3.7685e-05 TDB
period 2015.816925683308
5.52
1.779e-05
4.871e-08
d
yr
n .178587646235766 1.5761e-09 deg/d
Q 4.038209691475345 2.3759e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1452  
   data-arc span      12527 days (34.30 yr)  
   first obs. used      1986-11-28  
   last obs. used      2021-03-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40182  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:46:54  

Additional Information
 Earth MOID = 1.32555 au 
 Jupiter MOID = 1.75341 au 
 T_jup = 3.047 
[ 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 13.61   n/a E2021B10  
diameter diameter 12.370 km 0.079 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.178 h n/a LCDB (Rev. 2020-October); 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 0.057   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

70045 (1999 DA5)          Discovered 1999-Feb-17 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 DA5 = 2001 PP16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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