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29075 (1950 DA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2029075
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 132 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5077350168708146 2.96e-08  
a 1.698581746582906 3.8885e-10 AU
q .8361523148251766 5.0395e-08 AU
i 12.17044551620997 4.9494e-06 deg
node 356.6849472162182 7.822e-06 deg
peri 224.6413448787678 9.1696e-06 deg
M 331.3375726738349 1.873e-06 deg
tp 2456864.878161760054
(2014-Jul-26.37816176)
4.2147e-06 JED
period 808.5895158105695
2.21
2.7766e-07
7.602e-10
d
yr
n .4452197226909607 1.5288e-10 deg/d
Q 2.561011178340636 5.8628e-10 AU
  Orbit Determination Parameters
   # obs. used (total)      527  
   # delay obs. used      8  
   # Doppler obs. used      4  
   data-arc span      23401 days (64.07 yr)  
   first obs. used      1950-02-23  
   last obs. used      2014-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49225  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:28:05  

Additional Information
 Earth MOID = .0399772 AU 
 T_jup = 4.026 
[ 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 17.1 mag n/a MPO244437  
rotation period rot_per 2.1216 h n/a Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2001) http://www.asu.cas.cz/~ppravec/neo.htm]
[Busch, M.W.; Giorgini, J.D.; Ostro, S.J.; Benner, L.A.M.; et al. (2007) Icarus 190, 608-621.]

29075 (1950 DA)          Discovered 1950-Feb-22 by Wirtanen, C. A. at Mt. Hamilton (662)
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1950 DA = 2000 YK66 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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