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181163 (2005 SP13)
Classification: Main-belt Asteroid          SPK-ID: 2181163
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066637010090568 4.5641e-08  
a 3.026517243020458 2.2884e-08 au
q 2.703697712712169 1.4028e-07 au
i 10.34755394436246 5.0753e-06 deg
node 189.1738866543631 2.4283e-05 deg
peri 191.6045318604773 3.2836e-05 deg
M 316.1960703239392 2.5002e-05 deg
tp 2459434.504240760211
(2021-Aug-08.00424076)
0.0001352 TDB
period 1923.149984411432
5.27
2.1812e-05
5.972e-08
d
yr
n .1871928881876448 2.1231e-09 deg/d
Q 3.349336773328747 2.5325e-08 au
  Orbit Determination Parameters
   # obs. used (total)      427  
   data-arc span      8658 days (23.70 yr)  
   first obs. used      1997-03-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:29:28  

Additional Information
 Earth MOID = 1.70528 au 
 Jupiter MOID = 2.11265 au 
 T_jup = 3.211 
[ 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 15.62   n/a E2021B55  
diameter diameter 2.940 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.129   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181163 (2005 SP13)          Discovered 2005-Sep-24 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2005 SP13 = 1997 ER20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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