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410654 (2008 SW44)
Classification: Main-belt Asteroid          SPK-ID: 2410654
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305364514712397 5.3119e-08  
a 3.106167641638881 5.4592e-08 au
q 2.700699540024552 1.7923e-07 au
i 14.76316268767466 7.9521e-06 deg
node 198.1925806633707 2.0668e-05 deg
peri 292.6120741529254 4.0595e-05 deg
M 238.1651579720819 3.5095e-05 deg
tp 2459277.213386065852
(2021-Mar-03.71338607)
0.00020462 TDB
period 1999.566092332461
5.47
5.2714e-05
1.443e-07
d
yr
n .1800390601643309 4.7464e-09 deg/d
Q 3.51163574325321 6.1718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      197  
   data-arc span      5373 days (14.71 yr)  
   first obs. used      2005-03-13  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58526  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 01:13:03  

Additional Information
 Earth MOID = 1.7547 au 
 Jupiter MOID = 1.67394 au 
 T_jup = 3.157 
[ 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 15.9   n/a MPO413449  
diameter diameter 4.437 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

410654 (2008 SW44)          Discovered 2008-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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