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183581 (2003 SY84)
Classification: Mars-crossing Asteroid          SPK-ID: 2183581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4127431596737932 5.9549e-08  
a 2.581530393913769 2.1347e-08 au
q 1.516021382335868 1.6479e-07 au
i 26.69174141403026 6.6362e-06 deg
node 195.9536772231163 9.4183e-06 deg
peri 99.47029534957612 1.3885e-05 deg
M 323.3560057043067 7.2383e-06 deg
tp 2458754.710731376633
(2019-Sep-28.21073138)
3.1643e-05 TDB
period 1515.005783692982
4.15
1.8792e-05
5.145e-08
d
yr
n .2376228552226798 2.9474e-09 deg/d
Q 3.64703940549167 3.0158e-08 au
  Orbit Determination Parameters
   # obs. used (total)      827  
   data-arc span      10711 days (29.33 yr)  
   first obs. used      1990-05-22  
   last obs. used      2019-09-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41936  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:50:39  

Additional Information
 Earth MOID = .719575 au 
 Jupiter MOID = 2.46405 au 
 T_jup = 3.162 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO454264  
diameter diameter 2.340 km 0.490 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
rotation period rot_per 260. h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2015) Minor Planet Bull. 42, 267-276.]
geometric albedo albedo 0.303   0.157 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

183581 (2003 SY84)          Discovered 2003-Sep-20 by NEAT at Haleakala
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2003 SY84 = 1990 KN = 2002 GH47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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