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559 Nanon (A905 EB)
Classification: Main-belt Asteroid          SPK-ID: 2000559
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 106 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06556225507049526 3.3958e-08  
a 2.712155276357415 8.5492e-09 au
q 2.534340260338081 9.303e-08 au
i 9.301958672825936 4.0213e-06 deg
node 112.0647276489023 1.8565e-05 deg
peri 128.6706249457026 3.3039e-05 deg
M 238.2330078010692 2.8562e-05 deg
tp 2459552.319864024632
(2021-Dec-03.81986402)
0.0001307 TDB
period 1631.436791378772
4.47
7.7139e-06
2.112e-08
d
yr
n .2206643873071872 1.0434e-09 deg/d
Q 2.88997029237675 9.1097e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4233  
   data-arc span      42049 days (115.12 yr)  
   first obs. used      1905-03-08  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37581  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:08:10  

Additional Information
 Earth MOID = 1.53216 au 
 Jupiter MOID = 2.16362 au 
 T_jup = 3.340 
[ 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 9.5   n/a MPO421630  
diameter diameter 79.82 km 2.7 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
rotation period rot_per 10.059 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2003) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Vander Haagen, G. (2007) Minor Planet Bull. 34, 107.]
geometric albedo albedo 0.0500   0.004 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
B-V BV 0.733   0.012 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.83, mean=9.38, max.=14.12) deg.
U-B UB 0.379   0.041 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=5.83, mean=9.38, max.=14.12) deg.
Tholen spectral type spec_T C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices
SMASSII spectral type spec_B Xk   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

559 Nanon (A905 EB)          Discovered 1905-Mar-08 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 A905 EB = 1925 VH = 1971 YL = A918 EE 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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