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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07973784841205084 3.4732e-08  
a 2.985873555304572 1.8922e-08 au
q 2.747786422374145 1.0556e-07 au
i 11.72938749475997 4.3073e-06 deg
node 109.09645674087 1.8046e-05 deg
peri 326.9296931369209 3.1274e-05 deg
M 283.1641038707895 2.5847e-05 deg
tp 2459402.723282136296
(2021-Jul-07.22328214)
0.00013597 TDB
period 1884.540805323127
5.16
1.7914e-05
4.905e-08
d
yr
n .1910279676529868 1.8158e-09 deg/d
Q 3.223960688234999 2.043e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1660  
   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      .49171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:58:19  

Additional Information
 Earth MOID = 1.77146 au 
 Jupiter MOID = 1.97634 au 
 T_jup = 3.221 
[ 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 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

[ 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
1973-Jan-11 04:10 00:01 Jupiter 1.99250549086458 1.99250514423804 1.99250583749112 4.04751246609107 3.94108471106695 2441693.673433444 1.12417087952663 91.0365231470483 15.5428340717581 89.5322676501129 3930658.35357281 T 29 CATAB v2.0f-lin.ifort 2020-Feb-23 12:58:36 2020-Feb-23 12:58
2091-Nov-14 15:48 00:02 Jupiter 1.98355298285625 1.98355261689048 1.98355334882224 4.04118135177711 3.93409467977626 2485100.158563700 2.09793201254432 156.923729836585 16.1511761459874 -88.7568196616134 3911305.95392089 T 29 CATAB v2.0f-lin.ifort 2020-Feb-23 12:58:36 2020-Feb-23 12:58

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