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JPL Small-Body Database Browser
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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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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3436557835742845 3.15e-08  
a 2.629045736661018 1.0331e-08 au
q 1.725558963976144 8.4147e-08 au
i 6.441905286949325 3.8406e-06 deg
node 128.6538574961007 3.4875e-05 deg
peri 277.40139236 3.5353e-05 deg
M 176.9397484052777 8.6973e-06 deg
tp 2458235.223206779305
(2018-Apr-26.72320678)
3.4577e-05 TDB
period 1557.02519101826
4.26
9.1777e-06
2.513e-08
d
yr
n .2312101320368286 1.3628e-09 deg/d
Q 3.532532509345892 1.3881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2502  
   data-arc span      33377 days (91.38 yr)  
   first obs. used      1928-12-09  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 01:18:50  

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. 2019-August); 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

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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