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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1216990416958698 7.5994e-08  
q 2.230182096982209 1.9674e-07 au
tp 2457752.791331009614
(2016-Dec-30.29133101)
6.9091e-05 TDB
node 193.2559458863283 1.6023e-05 deg
peri 170.6126984760176 2.1678e-05 deg
i 12.94171887145757 4.9656e-06 deg
  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
 Jupiter MOID = 2.62042 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.775043006465436E-15 -1.493262279190943E-14 -2.467798030749529E-12 -4.866427885019325E-14 -2.448343433459476E-13 -2.280756356027201E-14
q -1.493262279190943E-14 3.870603164054572E-14 6.500852361737407E-12 1.265661528127861E-13 6.514073630329503E-13 5.95516120112344E-14
tp -2.467798030749529E-12 6.500852361737407E-12 4.773568976072455E-9 2.562711629103488E-11 9.828131469368156E-10 1.419030594239626E-11
node -4.866427885019325E-14 1.265661528127861E-13 2.562711629103488E-11 2.56724999660729E-10 -2.461334222685314E-10 -1.092922628856695E-11
peri -2.448343433459476E-13 6.514073630329503E-13 9.828131469368156E-10 -2.461334222685314E-10 4.699462833681024E-10 1.300492054712661E-11
i -2.280756356027201E-14 5.95516120112344E-14 1.419030594239626E-11 -1.092922628856695E-11 1.300492054712661E-11 2.465705394627259E-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 15.0   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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2149-Aug-12 08:40 00:03 Hebe 0.0200580173089708 0.0200342716714988 0.0200817649738219 4.20093381332643 4.20093373954897 2506189.861016827 3.3620617820997 1225.41644766956 35.4546755485195 -15.0423014821592 22076.7609949128 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 03:10:59 2020-Aug-25 03:11
2180-Jul-09 00:16 00:02 Eunom 0.0388739749805412 0.038864414296169 0.0388835538318699 5.80754193423693 5.8075418720581 2517478.511291700 2.2233135024048 1412.93187676572 43.1060501643686 70.3443616604588 126992.223749928 T 22 CATAB v2.0f-lin.ifort 2020-Aug-25 03:10:59 2020-Aug-25 03:11

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