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35775 (1999 JW9)
Classification: Main-belt Asteroid          SPK-ID: 2035775
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1209912013521042 7.609e-08  
a 2.54105804204652 1.1892e-08 au
q 2.233612376833886 1.9709e-07 au
i 12.93430343457579 4.9636e-06 deg
node 193.1840758865009 1.6031e-05 deg
peri 170.0038030038094 2.1677e-05 deg
M 304.4542696205609 1.7533e-05 deg
tp 2459228.780326811094
(2021-Jan-14.28032681)
7.2781e-05 TDB
period 1479.518175215388
4.05
1.0386e-05
2.844e-08
d
yr
n .2433224586427208 1.708e-09 deg/d
Q 2.848503707259154 1.333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1029  
   data-arc span      8698 days (23.81 yr)  
   first obs. used      1996-10-09  
   last obs. used      2020-08-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57885  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 03:10:48  

Additional Information
 Earth MOID = 1.23307 au 
 Jupiter MOID = 2.62042 au 
 T_jup = 3.400 
[ 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 MPO474212  
diameter diameter 3.160 km 0.443 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.213   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35775 (1999 JW9)          Discovered 1999-May-08 by CSS at Catalina
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JW9 = 2000 RV18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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