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215306 (2001 SW176)
Classification: Main-belt Asteroid          SPK-ID: 2215306
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1584349927231239 4.0923e-08  
a 2.783740564531667 1.6036e-08 au
q 2.342698648447027 1.1905e-07 au
i 12.93628454092874 4.7969e-06 deg
node 173.0653551806474 1.7575e-05 deg
peri 147.4924052642281 2.4507e-05 deg
M 54.41704744654235 1.5188e-05 deg
tp 2458744.066926716196
(2019-Sep-17.56692672)
7.1034e-05 TDB
period 1696.451952356618
4.64
1.4658e-05
4.013e-08
d
yr
n .212207601576872 1.8336e-09 deg/d
Q 3.224782480616306 1.8576e-08 au
  Orbit Determination Parameters
   # obs. used (total)      556  
   data-arc span      8487 days (23.24 yr)  
   first obs. used      1996-09-10  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52689  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:21:41  

Additional Information
 Earth MOID = 1.34186 au 
 Jupiter MOID = 2.20308 au 
 T_jup = 3.277 
[ 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 15.8   n/a MPO437030  
diameter diameter 1.988 km 0.599 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.235   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

215306 (2001 SW176)          Discovered 2001-Sep-16 by LINEAR at Socorro
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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