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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06578706692935225 3.3993e-08  
a 2.7117235540874 8.6881e-09 au
q 2.533327215140751 9.3002e-08 au
i 9.301365147001164 4.0437e-06 deg
node 112.0682088842036 1.9094e-05 deg
peri 128.5033528600554 3.3811e-05 deg
M 150.1487218695813 2.8633e-05 deg
tp 2457920.223159671714
(2017-Jun-15.72315967)
0.00012839 TDB
period 1631.047267461272
4.47
7.8385e-06
2.146e-08
d
yr
n .2207170859985809 1.0607e-09 deg/d
Q 2.890119893034049 9.2596e-09 au
  Orbit Determination Parameters
   # obs. used (total)      4022  
   data-arc span      41903 days (114.72 yr)  
   first obs. used      1905-03-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:09:06  

Additional Information
 Earth MOID = 1.53101 au 
 Jupiter MOID = 2.16382 au 
 T_jup = 3.341 
[ hide covariance matrix ]
Orbital Elements at Epoch 2455150.5 (2009-Nov-15.0) TDB
Reference: JPL 102 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06609367381815803 3.4204e-08  
q 2.533294915483455 9.3871e-08 au
tp 2454669.078097643665
(2008-Jul-21.57809764)
0.000122 TDB
node 112.187646710513 1.907e-05 deg
peri 130.6859326079612 3.351e-05 deg
i 9.306045507515496 4.0451e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      4022  
   data-arc span      41903 days (114.72 yr)  
   first obs. used      1905-03-08  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38339  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 20:09:06  

Additional Information
 Jupiter MOID = 2.16382 au 
 T_jup = 3.341 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.169941950428698E-15 -3.198977744530083E-15 1.136295426993443E-12 -8.843196258797346E-15 2.413223675897387E-13 -4.501730224045244E-16
q -3.198977744530083E-15 8.811818318685387E-15 -2.867513209469446E-12 2.411689582456328E-14 -6.048200624905581E-13 1.212882513585733E-15
tp 1.136295426993443E-12 -2.867513209469446E-12 1.488429415570241E-8 -2.130217853953575E-11 3.370118398451793E-9 -3.270305384659472E-12
node -8.843196258797346E-15 2.411689582456328E-14 -2.130217853953575E-11 3.636471084643505E-10 -3.632620117686552E-10 -1.638875330581304E-11
peri 2.413223675897387E-13 -6.048200624905581E-13 3.370118398451793E-9 -3.632620117686552E-10 1.122917252932215E-9 1.547505135551695E-11
i -4.501730224045244E-16 1.212882513585733E-15 -3.270305384659472E-12 -1.638875330581304E-11 1.547505135551695E-11 1.63624746642332E-11

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-January); 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

[ 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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