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312601 (2009 KW35)
Classification: Main-belt Asteroid          SPK-ID: 2312601
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1396372967564813 8.0396e-08  
a 3.192824519108894 5.3091e-08 au
q 2.746987134242715 2.7096e-07 au
i 15.5990004437248 8.2368e-06 deg
node 122.6311974383806 4.7391e-05 deg
peri 197.23982253142 6.57e-05 deg
M 276.0480467536566 4.9935e-05 deg
tp 2459486.447448288481
(2021-Sep-28.94744829)
0.00029349 TDB
period 2083.823837552856
5.71
5.1975e-05
1.423e-07
d
yr
n .1727593251945745 4.309e-09 deg/d
Q 3.638661903975072 6.0504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5742 days (15.72 yr)  
   first obs. used      2004-08-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:45  

Additional Information
 Earth MOID = 1.73714 au 
 Jupiter MOID = 1.66854 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457396.5 (2016-Jan-09.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1384409817002868 8.051e-08  
q 2.753213179101462 2.7133e-07 au
tp 2457402.658337584823
(2016-Jan-15.15833758)
0.00028019 TDB
node 122.6452642756488 4.7397e-05 deg
peri 197.448605023721 6.595e-05 deg
i 15.59335244417798 8.2336e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      5742 days (15.72 yr)  
   first obs. used      2004-08-08  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56983  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:27:45  

Additional Information
 Jupiter MOID = 1.66854 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.481812611225388E-15 -2.154523281430694E-14 5.638386080652518E-12 -5.887887630137595E-15 1.086623891195107E-12 8.077926346029483E-15
q -2.154523281430694E-14 7.361969177405665E-14 -1.524134643594554E-11 4.427844277701166E-14 -3.06861835404998E-12 -1.649777874019752E-14
tp 5.638386080652518E-12 -1.524134643594554E-11 7.85046448697305E-8 2.648412587547438E-11 1.318637584137804E-8 7.047349955519702E-11
node -5.887887630137595E-15 4.427844277701166E-14 2.648412587547438E-11 2.246510733514804E-9 -2.159384097525693E-9 6.75624454129839E-11
peri 1.086623891195107E-12 -3.06861835404998E-12 1.318637584137804E-8 -2.159384097525693E-9 4.349414368621045E-9 -5.273594773441599E-11
i 8.077926346029483E-15 -1.649777874019752E-14 7.047349955519702E-11 6.75624454129839E-11 -5.273594773441599E-11 6.779248113481089E-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 15.6   n/a MPO254646  

312601 (2009 KW35)          Discovered 2009-May-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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