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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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .147833114535805 3.7414e-08  
a 2.41780922914245 8.5177e-09 au
q 2.060376960444907 9.0781e-08 au
i 7.501362359753739 4.0187e-06 deg
node 121.8514650849537 2.7155e-05 deg
peri 248.663434957598 2.9714e-05 deg
M 162.4109585810824 1.2074e-05 deg
tp 2458380.995732661416
(2018-Sep-19.49573266)
4.5259e-05 TDB
period 1373.192660091027
3.76
7.2565e-06
1.987e-08
d
yr
n .2621627761803912 1.3854e-09 deg/d
Q 2.775241497839992 9.7769e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:53:26  

Additional Information
 Earth MOID = 1.07323 au 
 Jupiter MOID = 2.70988 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456943.5 (2014-Oct-13.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1472666107250126 3.7558e-08  
q 2.062119378121162 9.1151e-08 au
tp 2457004.389229532126
(2014-Dec-12.88922953)
4.446e-05 TDB
node 121.9521710867735 2.7119e-05 deg
peri 247.9528286722952 2.9701e-05 deg
i 7.505464400628249 4.0223e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1712  
   data-arc span      8072 days (22.10 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49933  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:53:26  

Additional Information
 Jupiter MOID = 2.70988 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.41061522754353E-15 -3.412626962190455E-15 -5.593243708494611E-13 1.98028143839252E-15 -1.726668876445753E-13 -2.217554368654976E-15
q -3.412626962190455E-15 8.308474386041111E-15 1.375247813740011E-12 -4.270665383770013E-15 4.218003592027565E-13 5.594031386004316E-15
tp -5.593243708494611E-13 1.375247813740011E-12 1.976718377204905E-9 -9.455190820618661E-13 5.497535310516961E-10 9.641141887092567E-13
node 1.98028143839252E-15 -4.270665383770013E-15 -9.455190820618661E-13 7.354418584581813E-10 -7.290855656515537E-10 3.357450634033412E-11
peri -1.726668876445753E-13 4.218003592027565E-13 5.497535310516961E-10 -7.290855656515537E-10 8.821481796021611E-10 -3.300349576357415E-11
i -2.217554368654976E-15 5.594031386004316E-15 9.641141887092567E-13 3.357450634033412E-11 -3.300349576357415E-11 1.617906181631064E-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

[ 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
1992-Jun-21 18:55 < 00:01 Juno 0.0445346336264527 0.0445318244186615 0.0445374428639359 5.39466948745191 5.39466943681313 2448795.288037037 0.355390369864252 152.014155292908 34.7908735779468 23.5760765813749 86436.5994305492 T 32 CATAB v2.0f-lin.ifort 2020-May-20 08:53:38 2020-May-20 08:53
2125-May-16 04:03 00:04 Hebe 0.0325655163083964 0.0325601229969215 0.0325709206295869 2.6156120980942 2.61561202511044 2497335.668995183 4.08475958088779 988.058342175844 34.5728901843227 -74.3297780116266 135479.648933637 T 32 CATAB v2.0f-lin.ifort 2020-May-20 08:53:38 2020-May-20 08:53

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