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37668 (1994 SX9)
Classification: Main-belt Asteroid          SPK-ID: 2037668
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07316836656407667 4.4098e-08  
a 3.083465286299527 1.9136e-08 au
q 2.857853167943958 1.361e-07 au
i 9.974532067394335 4.8249e-06 deg
node 182.1923633853089 2.3375e-05 deg
peri 221.02199531 3.6675e-05 deg
M 243.8894251476804 3.048e-05 deg
tp 2459638.361363020791
(2022-Feb-27.86136302)
0.0001701 TDB
period 1977.684556118597
5.41
1.841e-05
5.04e-08
d
yr
n .1820310518612412 1.6945e-09 deg/d
Q 3.309077404655097 2.0536e-08 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      9912 days (27.14 yr)  
   first obs. used      1992-05-04  
   last obs. used      2019-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5643  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:10  

Additional Information
 Earth MOID = 1.87333 au 
 Jupiter MOID = 2.04555 au 
 T_jup = 3.200 
[ 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 14.2   n/a MPO347793  
diameter diameter 4.613 km 1.065 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.229   0.054 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37668 (1994 SX9)          Discovered 1994-Sep-28 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 SX9 = 1999 TN158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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