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JPL Small-Body Database Browser
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243635 (1999 SD16)
Classification: Main-belt Asteroid          SPK-ID: 2243635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2350804425826018 6.6938e-08  
a 3.137062013713354 4.0423e-08 au
q 2.39960008712055 2.0389e-07 au
i 15.31976461824894 7.8706e-06 deg
node 285.276800988899 2.9096e-05 deg
peri 54.91765119092488 3.6241e-05 deg
M 193.9116555272253 2.1152e-05 deg
tp 2459536.810164800565
(2021-Nov-18.31016480)
0.00013114 TDB
period 2029.472088473109
5.56
3.9227e-05
1.074e-07
d
yr
n .1773860315915205 3.4286e-09 deg/d
Q 3.874523940306157 4.9926e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7199 days (19.71 yr)  
   first obs. used      1999-07-22  
   last obs. used      2019-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 04:31:51  

Additional Information
 Earth MOID = 1.425 au 
 Jupiter MOID = 1.67338 au 
 T_jup = 3.114 
[ 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 15.0   n/a MPO386055  
diameter diameter 2.736 km 0.802 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.130 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243635 (1999 SD16)          Discovered 1999-Sep-29 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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