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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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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 111 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0654636603593706 3.3138e-08  
a 2.711951845138571 8.3482e-09 au
q 2.534417550637451 9.1201e-08 au
i 9.301820199066315 3.9458e-06 deg
node 112.0641603429633 1.8295e-05 deg
peri 128.7581206862286 3.2566e-05 deg
M 282.2672962398409 2.8062e-05 deg
tp 2459552.727013620072
(2021-Dec-04.22701362)
0.00012791 TDB
period 1631.253240521097
4.47
7.5322e-06
2.062e-08
d
yr
n .2206892167674711 1.019e-09 deg/d
Q 2.88948613963969 8.8947e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4450  
   data-arc span      42322 days (115.87 yr)  
   first obs. used      1905-03-08  
   last obs. used      2021-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .36826  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:47:42  

Additional Information
 Earth MOID = 1.53063 au 
 Jupiter MOID = 2.16304 au 
 T_jup = 3.341 
[ 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 9.59   n/a E2021B10  
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

[ show close-approach data ]
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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