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4106 Nada (1989 EW)
Classification: Main-belt Asteroid          SPK-ID: 2004106
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 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1797278518904575 2.0502e-08  
a 2.753675253509602 1.0904e-08 au
q 2.25876311539241 6.0104e-08 au
i 9.736389991464987 4.0591e-07 deg
node 44.81665725879871 2.2935e-06 deg
peri 190.33227524 5.578e-06 deg
M 301.9366224191612 8.3403e-06 deg
tp 2459469.695195241137
(2021-Sep-12.19519524)
3.9387e-05 TDB
period 1669.042937639753
4.57
9.9137e-06
2.714e-08
d
yr
n .2156924737413212 1.2812e-09 deg/d
Q 3.248587391626794 1.2864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2514  
   data-arc span      33184 days (90.85 yr)  
   first obs. used      1930-05-17  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45553  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:24:37  

Additional Information
 Earth MOID = 1.2471 au 
 Jupiter MOID = 1.75246 au 
 T_jup = 3.300 
[ 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 12.06   n/a MPCxxxxx  
rotation period rot_per 5.832 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2012) Minor Planet Bull. 39, 181-183.]
[Montgomery, K.A.; Davis, C.; Renshaw, T.; Rolen, J. (2013) Minor Planet Bull. 40, 212-213.]
[Owings, L.E. (2013) Minor Planet Bull. 40, 8-10.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

4106 Nada (1989 EW)          Discovered 1989-Mar-06 by Nomura and Kawanishi at Minami-Oda
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 EW = 1930 KA = 1930 KQ = 1970 AR = 1971 KC = 1980 EW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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