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173819 (2001 SD324)
Classification: Main-belt Asteroid          SPK-ID: 2173819
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1238466247517419 8.1894e-08  
a 3.055169509420323 3.7e-08 au
q 2.676797077634181 2.3881e-07 au
i 4.485676922043898 6.6705e-06 deg
node 278.352512830644 9.9143e-05 deg
peri 93.87207009733257 0.00010311 deg
M 174.3206149700227 3.2846e-05 deg
tp 2458056.009395295302
(2017-Oct-29.50939530)
0.00016894 TDB
period 1950.524427372878
5.34
3.5433e-05
9.701e-08
d
yr
n .18456574803571 3.3528e-09 deg/d
Q 3.433541941206465 4.1582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Earth MOID = 1.68184 au 
 Jupiter MOID = 2.07588 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457172.5 (2015-May-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1229347802508875 8.1897e-08  
q 2.679923274398409 2.3857e-07 au
tp 2458058.098086666508
(2017-Oct-31.59808667)
0.00016966 TDB
node 278.3724722573952 9.914e-05 deg
peri 94.38994259483815 0.00010315 deg
i 4.48525847596052 6.6702e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      6794 days (18.60 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51094  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:30:25  

Additional Information
 Jupiter MOID = 2.07588 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.707175758407826E-15 -1.938949235860259E-14 3.681364986214427E-12 6.117038329466998E-15 3.349198461958564E-13 9.041139663969824E-16
q -1.938949235860259E-14 5.691580776269846E-14 -8.623217910629637E-12 -2.824368114801366E-14 -6.832828800359245E-13 -1.711398771566463E-15
tp 3.681364986214427E-12 -8.623217910629637E-12 2.878399969794147E-8 -2.329636277016675E-11 4.871817362430404E-9 1.164820989063866E-12
node 6.117038329466998E-15 -2.824368114801366E-14 -2.329636277016675E-11 9.828656043873899E-9 -9.802320589511383E-9 -1.938281346199579E-11
peri 3.349198461958564E-13 -6.832828800359245E-13 4.871817362430404E-9 -9.802320589511383E-9 1.06403557437437E-8 1.942168380419844E-11
i 9.041139663969824E-16 -1.711398771566463E-15 1.164820989063866E-12 -1.938281346199579E-11 1.942168380419844E-11 4.449165485775883E-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 15.8   n/a MPO338380  
diameter diameter 4.824 km 0.311 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.040   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

173819 (2001 SD324)          Discovered 2001-Sep-26 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 2001 SD324 = 2004 FO150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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