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JPL Small-Body Database Browser
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40733 (1999 SM17)
Classification: Main-belt Asteroid          SPK-ID: 2040733
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478331152150882 3.7541e-08  
a 2.417809228814321 8.7707e-09 au
q 2.06037695852291 9.1248e-08 au
i 7.501361926833612 4.0836e-06 deg
node 121.8514710058281 2.7838e-05 deg
peri 248.6634294041556 3.061e-05 deg
M 162.4109584618008 1.2313e-05 deg
tp 2458380.995733242519
(2018-Sep-19.49573324)
4.6351e-05 TDB
period 1373.192659811487
3.76
7.472e-06
2.046e-08
d
yr
n .2621627762337596 1.4265e-09 deg/d
Q 2.775241499105732 1.0067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 06:01:45  

Additional Information
 Earth MOID = 1.07323 au 
 Jupiter MOID = 2.70988 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456788.5 (2014-May-11.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1473486706759993 3.7665e-08  
q 2.06210233448013 9.1571e-08 au
tp 2457004.364199247065
(2014-Dec-12.86419925)
4.5993e-05 TDB
node 121.9520659384746 2.7801e-05 deg
peri 247.9462250191435 3.0597e-05 deg
i 7.505408007492513 4.087e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      7956 days (21.78 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51752  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 06:01:45  

Additional Information
 Jupiter MOID = 2.70988 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.418689086874974E-15 -3.437638890503224E-15 -5.253210214372049E-13 4.716169793038583E-15 -1.637854871534029E-13 -2.621512196840412E-15
q -3.437638890503224E-15 8.385160342089765E-15 1.27264597450914E-12 -1.094458543448978E-14 3.934825363433678E-13 6.59196522440804E-15
tp -5.253210214372049E-13 1.27264597450914E-12 2.115321719723653E-9 -2.887510681613471E-12 5.989865356286966E-10 1.121604943663538E-12
node 4.716169793038583E-15 -1.094458543448978E-14 -2.887510681613471E-12 7.728683198336382E-10 -7.667383952356534E-10 2.95074645071616E-11
peri -1.637854871534029E-13 3.934825363433678E-13 5.989865356286966E-10 -7.667383952356534E-10 9.36164096173287E-10 -2.893271671766841E-11
i -2.621512196840412E-15 6.59196522440804E-15 1.121604943663538E-12 2.95074645071616E-11 -2.893271671766841E-11 1.670375466466688E-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 14.5   n/a MPO359000  
diameter diameter 2.830 km 0.533 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.461   0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

40733 (1999 SM17)          Discovered 1999-Sep-30 by LINEAR at Socorro
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 SM17 = 1998 HJ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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