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5959 Shaklan (1989 NB1)
Classification: Main-belt Asteroid          SPK-ID: 2005959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09538493920094016 1.7549e-08  
a 3.191928870360572 1.7135e-08 au
q 2.887466929127503 6.0528e-08 au
i 17.83092565738205 8.7739e-07 deg
node 135.3911006149042 1.7227e-06 deg
peri 149.5805381900788 1.1153e-05 deg
M 200.6354700056569 1.3327e-05 deg
tp 2460122.577446699641
(2023-Jun-27.07744670)
7.8745e-05 TDB
period 2082.947069988872
5.70
1.6772e-05
4.592e-08
d
yr
n .172832044168037 1.3917e-09 deg/d
Q 3.496390811593641 1.8769e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3401  
   data-arc span      26210 days (71.76 yr)  
   first obs. used      1949-06-16  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:37:17  

Additional Information
 Earth MOID = 1.88235 au 
 Jupiter MOID = 1.82498 au 
 T_jup = 3.115 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457378.5 (2015-Dec-22.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09652479532218207 1.7727e-08  
q 2.886354598376347 6.1221e-08 au
tp 2458031.703842160836
(2017-Oct-05.20384216)
7.4164e-05 TDB
node 135.4917696862333 1.721e-06 deg
peri 147.9301367424967 1.0818e-05 deg
i 17.84741663426036 8.7807e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3401  
   data-arc span      26210 days (71.76 yr)  
   first obs. used      1949-06-16  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .38286  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 22:37:17  

Additional Information
 Jupiter MOID = 1.82498 au 
 T_jup = 3.115 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.142546688203866E-16 -1.050786486831093E-15 -6.560488776487914E-13 6.637491630021824E-15 -8.939487677901822E-14 1.613305543699572E-15
q -1.050786486831093E-15 3.747997136950313E-15 2.179900678908251E-12 -2.021299877272819E-14 2.797151219439554E-13 -4.486949346327792E-15
tp -6.560488776487914E-13 2.179900678908251E-12 5.500284788034357E-9 6.14035209793076E-12 7.886054768066539E-10 2.98916021373638E-12
node 6.637491630021824E-15 -2.021299877272819E-14 6.14035209793076E-12 2.961959447695166E-12 -1.491571411409872E-12 -1.132713270168329E-12
peri -8.939487677901822E-14 2.797151219439554E-13 7.886054768066539E-10 -1.491571411409872E-12 1.170229591496703E-10 1.746194769775335E-12
i 1.613305543699572E-15 -4.486949346327792E-15 2.98916021373638E-12 -1.132713270168329E-12 1.746194769775335E-12 7.710086891302153E-13

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 12.30   n/a MPCxxxxx  
diameter diameter 19.94 km 1.4 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4
rotation period rot_per 13.172 h n/a LCDB (Rev. 2020-October); 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:
[McNeill, A.; Mommert, M.; Trilling, D.E.; Llama, J.; Skiff, B. (2019) Ap. J. Suppl. Series 245, id.29.]
geometric albedo albedo 0.1770   0.027 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 4

5959 Shaklan (1989 NB1)          Discovered 1989-Jul-02 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 NB1 = 1949 MG 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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