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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1798351249966115 4.1367e-08  
a 2.753974311262816 1.4292e-08 au
q 2.258712996759411 1.1611e-07 au
i 9.736439916272776 4.5115e-06 deg
node 44.82515188528117 2.2704e-05 deg
peri 190.2944856954557 2.5769e-05 deg
M 258.8442151261115 1.5577e-05 deg
tp 2459469.557924547713
(2021-Sep-12.05792455)
7.4342e-05 TDB
period 1669.314839954004
4.57
1.2995e-05
3.558e-08
d
yr
n .2156573411938993 1.6788e-09 deg/d
Q 3.249235625766222 1.6862e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2125  
   data-arc span      32850 days (89.94 yr)  
   first obs. used      1930-05-17  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:03:50  

Additional Information
 Earth MOID = 1.24837 au 
 Jupiter MOID = 1.75288 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 12.0   n/a MPO502192  
rotation period rot_per 5.832 h n/a LCDB (Rev. 2019-August); 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.]

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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