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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 114 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06546368480146417 1.5258e-08  
a 2.711951851544425 7.8023e-09 au
q 2.534417490338174 4.5512e-08 au
i 9.301821292083526 1.3162e-06 deg
node 112.0641749699779 1.2257e-06 deg
peri 128.758137053133 1.7034e-05 deg
M 282.2672655222362 2.0038e-05 deg
tp 2459552.727154057479
(2021-Dec-04.22715406)
9.1789e-05 TDB
period 1631.253246300829
4.47
7.0397e-06
1.927e-08
d
yr
n .2206892159855418 9.5238e-10 deg/d
Q 2.889486212750676 8.313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4595  
   data-arc span      42385 days (116.04 yr)  
   first obs. used      1905-03-08  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:35:09  

Additional Information
 Earth MOID = 1.53063 au 
 Jupiter MOID = 2.16304 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455774.5 (2011-Aug-01.0) TDB
Reference: JPL 114 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06676632911527837 1.5075e-08  
q 2.529528545365249 4.4879e-08 au
tp 2456296.288950697002
(2013-Jan-03.78895070)
8.2617e-05 TDB
node 112.1618011083927 1.226e-06 deg
peri 129.9910953294813 1.6895e-05 deg
i 9.305722544037582 1.3168e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4595  
   data-arc span      42385 days (116.04 yr)  
   first obs. used      1905-03-08  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36394  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 18:35:09  

Additional Information
 Jupiter MOID = 2.16304 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.272536171091128E-16 -6.699840473997816E-16 -3.414352374799893E-13 2.389751258794845E-15 -6.598058141823537E-14 -4.73420448236448E-15
q -6.699840473997816E-16 2.014114991149607E-15 1.251644592276493E-12 -5.325065909408681E-15 2.466098668315384E-13 1.296875248526752E-14
tp -3.414352374799893E-13 1.251644592276493E-12 6.825597956152762E-9 2.452453703436024E-11 1.389685102535098E-9 -7.496868758298281E-12
node 2.389751258794845E-15 -5.325065909408681E-15 2.452453703436024E-11 1.503143698597054E-12 3.589754974029969E-12 -8.550606561062675E-14
peri -6.598058141823537E-14 2.466098668315384E-13 1.389685102535098E-9 3.589754974029969E-12 2.854505210349185E-10 -1.575447191710863E-12
i -4.73420448236448E-15 1.296875248526752E-14 -7.496868758298281E-12 -8.550606561062675E-14 -1.575447191710863E-12 1.733853313696465E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.58   n/a MPCxxxxx  
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. 2020-October); 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.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
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

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