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437204 (2012 WY9)
Classification: Main-belt Asteroid          SPK-ID: 2437204
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0965053476399033 1.7891e-07  
a 3.174066174741706 7.267e-08 au
q 2.8677518151162 5.9956e-07 au
i 10.16412853083234 1.4266e-05 deg
node 46.85542839038764 7.8387e-05 deg
peri 296.1588071127811 9.2722e-05 deg
M 182.0730708501259 4.9867e-05 deg
tp 2460021.349157759964
(2023-Mar-17.84915776)
0.00028575 TDB
period 2065.486649769716
5.65
7.0934e-05
1.942e-07
d
yr
n .1742930655301679 5.9856e-09 deg/d
Q 3.480380534367213 7.9683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      4862 days (13.31 yr)  
   first obs. used      2006-10-02  
   last obs. used      2020-01-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69981  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:09:06  

Additional Information
 Earth MOID = 1.87972 au 
 Jupiter MOID = 1.95743 au 
 T_jup = 3.170 
[ 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 16.2   n/a MPO336242  

437204 (2012 WY9)          Discovered 2006-Oct-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-06-04

[ 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
1905-Mar-11 18:32 00:11 Jupiter 1.97584058301209 1.97583847698098 1.97584268905005 4.71500313214778 4.62318884829758 2416916.272401945 10.5633744999446 253.94823903276 55.1916345509762 -71.5538740917363 1073892.78700497 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
2002-Jul-24 14:12 00:01 Jupiter 1.9955453893602 1.99554389748227 1.99554688124107 2.88724394085185 2.73628658386808 2452480.091770088 1.43736396527177 173.169004682424 24.2468130899842 -66.6913753234953 1449639.59828822 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
2013-Apr-30 22:13 < 00:01 Jupiter 1.94703293569939 1.94703171965477 1.94703415174634 3.74784781517722 3.629917125495 2456413.425644729 0.62137741722414 164.188692313444 32.9634833163641 -74.9393646082259 1530766.98869689 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
2024-Feb-19 19:39 00:01 Jupiter 1.9659628778077 1.96596127686463 1.96596447875155 4.61297937111819 4.51861610301552 2460360.318657298 1.11055587480778 135.854078609109 57.8375290492025 -69.1313937622234 1130480.15317426 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
2132-Apr-19 02:59 00:12 Jupiter 1.97975919695954 1.97975772485078 1.97976066908608 3.47872983760909 3.35348757536925 2499865.624268252 11.9023482760043 425.194345552531 32.2221908130712 -76.9992132748671 950934.625389173 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
2143-Feb-03 22:03 00:13 Jupiter 1.97111435619077 1.97111262822495 1.97111608415681 4.44516265814487 4.34741714955433 2503808.419047941 12.5273564410599 227.929945679324 67.5609955483077 87.6093353694895 669046.951168963 T 11 CATAB v2.0f-lin.ifort 2020-Feb-26 10:09:08 2020-Feb-26 10:09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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