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JPL Small-Body Database Browser
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59982 (1999 SF9)
Classification: Main-belt Asteroid          SPK-ID: 2059982
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07973780869627124 3.4731e-08  
a 2.985873543919122 1.8952e-08 au
q 2.747786530482841 1.0554e-07 au
i 11.7293858221739 4.3048e-06 deg
node 109.0964717022392 1.8094e-05 deg
peri 326.9296753327211 3.1326e-05 deg
M 283.1641068585588 2.5852e-05 deg
tp 2459402.723264195235
(2021-Jul-07.22326420)
0.00013597 TDB
period 1884.540794544198
5.16
1.7942e-05
4.912e-08
d
yr
n .1910279687456014 1.8187e-09 deg/d
Q 3.223960557355402 2.0463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-09-11  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:23:42  

Additional Information
 Earth MOID = 1.77146 au 
 Jupiter MOID = 1.97634 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456714.5 (2014-Feb-26.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07874833357916823 3.4022e-08  
q 2.753572611458134 1.0309e-07 au
tp 2457498.776678885348
(2016-Apr-20.27667889)
0.00013756 TDB
node 109.298223198183 1.8158e-05 deg
peri 323.6169531681243 3.1902e-05 deg
i 11.70387356163974 4.2964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      7324 days (20.05 yr)  
   first obs. used      1999-09-11  
   last obs. used      2019-09-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49619  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 07:23:42  

Additional Information
 Jupiter MOID = 1.97634 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.157521608532878E-15 -3.456317091671958E-15 6.263015550354493E-13 -1.828456200687352E-15 1.345263812823904E-13 -1.035981881589049E-15
q -3.456317091671958E-15 1.062661837706643E-14 -1.673853562583644E-12 4.214528102617585E-15 -3.879191147789265E-13 4.20509834978944E-15
tp 6.263015550354493E-13 -1.673853562583644E-12 1.892319331486199E-8 3.791023488268812E-12 3.618441315449764E-9 2.282175665331003E-12
node -1.828456200687352E-15 4.214528102617585E-15 3.791023488268812E-12 3.297136923402937E-10 -3.219001776382523E-10 8.070842392431059E-12
peri 1.345263812823904E-13 -3.879191147789265E-13 3.618441315449764E-9 -3.219001776382523E-10 1.017708209181299E-9 -7.536905169031617E-12
i -1.035981881589049E-15 4.20509834978944E-15 2.282175665331003E-12 8.070842392431059E-12 -7.536905169031617E-12 1.845917639367381E-11

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 13.1   n/a MPO432154  
diameter diameter 7.963 km 1.525 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.193   0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

59982 (1999 SF9)          Discovered 1999-Sep-29 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SF9 = 2000 WD37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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