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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1480115803514755 3.6812e-08  
a 2.417448704523242 8.2867e-09 au
q 2.05963830134813 8.9291e-08 au
i 7.501400562641597 3.831e-06 deg
node 121.8516038901583 2.6949e-05 deg
peri 248.6534259322904 2.9316e-05 deg
M 214.8649480977138 1.1619e-05 deg
tp 2459753.982813758988
(2022-Jun-23.48281376)
4.5218e-05 TDB
period 1372.885532072471
3.76
7.0591e-06
1.933e-08
d
yr
n .262221424576129 1.3483e-09 deg/d
Q 2.775259107698354 9.5132e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1747  
   data-arc span      8396 days (22.99 yr)  
   first obs. used      1998-03-24  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49871  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 05:16:27  

Additional Information
 Earth MOID = 1.07097 au 
 Jupiter MOID = 2.71078 au 
 T_jup = 3.489 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.55   n/a E2021B10  
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

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