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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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09538493632383203 3.4439e-08  
a 3.191928858781021 1.859e-08 au
q 2.887466927835991 1.0898e-07 au
i 17.83092216720508 3.9688e-06 deg
node 135.3910881921447 1.1764e-05 deg
peri 149.5805351599476 2.3127e-05 deg
M 200.6354854093265 2.1425e-05 deg
tp 2460122.577352556949
(2023-Jun-27.07735256)
0.00012675 TDB
period 2082.947058654224
5.70
1.8197e-05
4.982e-08
d
yr
n .1728320451085267 1.5099e-09 deg/d
Q 3.49639078972605 2.0363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3218  
   data-arc span      26152 days (71.60 yr)  
   first obs. used      1949-06-16  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38581  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:28:08  

Additional Information
 Earth MOID = 1.88235 au 
 Jupiter MOID = 1.82498 au 
 T_jup = 3.115 
[ 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 12.29   n/a E2021B10  
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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Dec-10 22:27 00:03 Jupiter 1.8836956324991 1.88369485129455 1.88369641370611 3.81448683693608 3.69472460344551 2417555.435170670 2.5407807926782 154.46697369861 30.9569540672033 76.3220129545739 2222522.93959593 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2026-Oct-25 16:58 < 00:01 Jupiter 1.86683069682044 1.86683035209058 1.86683104155029 4.83366920059165 4.73887260398469 2461339.206902243 0.317781611075473 56.6664320531218 15.9863269338906 -85.8652142850913 4685829.2150719 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2037-Nov-03 08:52 < 00:01 Jupiter 1.82355033970052 1.82354989850318 1.82355078089786 4.33939450041447 4.23100021922653 2465365.869214232 0.629068322214795 78.0212818588481 21.046914828 85.905507532578 3975122.26371181 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2048-Sep-21 00:51 00:01 Jupiter 1.96959050003141 1.96958984441219 1.96959115565085 3.14860767125941 3.00892508121599 2469340.535087201 1.18520640678055 133.626683201074 34.0959377461317 -80.920872368723 3450827.69532871 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2157-Aug-26 09:50 00:03 Jupiter 1.93207187786071 1.93207036605017 1.93207338969739 4.8870394943651 4.79649379624546 2509125.909434801 3.03832794532412 374.631437217539 15.6767104985561 -78.7381575928632 4561833.08100267 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2168-Sep-07 22:47 00:03 Jupiter 1.79789631335774 1.79789593990223 1.79789668681478 4.6238689853871 4.5208325625517 2513156.449115308 3.32034983541743 388.312602728921 17.404767806049 -89.7925410235599 4067186.1847891 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28
2179-Aug-31 11:33 00:04 Jupiter 1.88508387111064 1.88508228686929 1.88508545535766 3.91399398218799 3.79745852484705 2517165.980910242 4.21761341866125 200.106863549651 41.1664657150681 65.012300190624 2256880.98168531 T 40 CATAB v2.0f-lin.ifort 2021-Feb-24 01:28:15 2021-Feb-24 01:28

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