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22886 (1999 SB2)
Classification: Main-belt Asteroid          SPK-ID: 2022886
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1954316910486145 3.9132e-08  
a 2.641550719862721 1.3341e-08 au
q 2.125307995689265 1.0538e-07 au
i 12.61551446009402 4.1697e-06 deg
node 267.5944958919802 2.0471e-05 deg
peri 118.9636547406834 2.3238e-05 deg
M 324.4503357240898 1.2857e-05 deg
tp 2459355.353084574022
(2021-May-20.85308457)
5.6654e-05 TDB
period 1568.147311152645
4.29
1.188e-05
3.253e-08
d
yr
n .2295702689662409 1.7391e-09 deg/d
Q 3.157793444036177 1.5948e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      10627 days (29.10 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:20  

Additional Information
 Earth MOID = 1.16232 au 
 Jupiter MOID = 2.38088 au 
 T_jup = 3.334 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456925.5 (2014-Sep-25.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979530824524994 3.9039e-08  
q 2.116694450833077 1.0524e-07 au
tp 2456223.123876012891
(2012-Oct-22.62387601)
4.7203e-05 TDB
node 267.6270077080865 2.0463e-05 deg
peri 119.3075543024834 2.3159e-05 deg
i 12.62423307827943 4.172e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1182  
   data-arc span      10627 days (29.10 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-01-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:14:20  

Additional Information
 Jupiter MOID = 2.38088 au 
 T_jup = 3.334 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.524018742647434E-15 -4.088475407176078E-15 -3.987315468824553E-13 3.222726766705877E-15 -8.89952345034005E-14 -3.362606985745216E-15
q -4.088475407176078E-15 1.107450967073722E-14 1.128949021035746E-12 -9.210394360826705E-15 2.630947125294554E-13 9.479681762378346E-15
tp -3.987315468824553E-13 1.128949021035746E-12 2.228147583910168E-9 -3.084596998577404E-12 5.319968708877714E-10 3.122306640496827E-12
node 3.222726766705877E-15 -9.210394360826705E-15 -3.084596998577404E-12 4.187495544740965E-10 -4.092652109703118E-10 3.815259624807962E-12
peri -8.89952345034005E-14 2.630947125294554E-13 5.319968708877714E-10 -4.092652109703118E-10 5.363505770016977E-10 -2.961612274529923E-12
i -3.362606985745216E-15 9.479681762378346E-15 3.122306640496827E-12 3.815259624807962E-12 -2.961612274529923E-12 1.740539596155865E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.18   n/a E2021B10  
diameter diameter 5.495 km 0.327 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.177   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22886 (1999 SB2)          Discovered 1999-Sep-18 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 SB2 = 1986 WK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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