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1104 Syringa (1928 XA)
Classification: Main-belt Asteroid          SPK-ID: 2001104
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3436557835209009 3.1499e-08  
a 2.629045736138822 1.02e-08 au
q 1.725558963773751 8.4132e-08 au
i 6.441905344913462 3.283e-06 deg
node 128.6538577751014 3.4685e-05 deg
peri 277.4013929909539 3.5062e-05 deg
M 176.9397480315218 8.628e-06 deg
tp 2458235.223208623830
(2018-Apr-26.72320862)
3.4144e-05 TDB
period 1557.025190554362
4.26
9.0615e-06
2.481e-08
d
yr
n .2312101321057149 1.3456e-09 deg/d
Q 3.532532508503893 1.3706e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2742  
   data-arc span      33485 days (91.68 yr)  
   first obs. used      1928-12-09  
   last obs. used      2020-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45425  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:22:28  

Additional Information
 Earth MOID = .749565 au 
 Jupiter MOID = 1.91927 au 
 T_jup = 3.306 
[ 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 12.3   n/a MPO337252  
diameter diameter 23.244 km 0.213 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.1547 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Molnar, L.A.; Haegert, M.J.; Beaumonts, C.N.; Block, M.J.; et al. (2008) Minor Planet Bull. 35, 9-12.]
geometric albedo albedo 0.033   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
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)

1104 Syringa (1928 XA)          Discovered 1928-Dec-09 by Reinmuth, K. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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