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100909 (1998 KV22)
Classification: Main-belt Asteroid          SPK-ID: 2100909
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769074873305869 4.3977e-08  
a 2.363261253856844 1.0203e-08 au
q 1.945182643531297 1.0404e-07 au
i 3.026613748645839 5.4337e-06 deg
node 156.6979576590016 7.8473e-05 deg
peri 62.36612381722615 7.9589e-05 deg
M 85.16198882830653 1.3686e-05 deg
tp 2458886.586984173953
(2020-Feb-07.08698417)
4.9808e-05 TDB
period 1326.985046406225
3.63
8.5932e-06
2.353e-08
d
yr
n .2712916780599459 1.7568e-09 deg/d
Q 2.781339864182391 1.2007e-08 au
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:19  

Additional Information
 Earth MOID = .938769 au 
 Jupiter MOID = 2.19065 au 
 T_jup = 3.527 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456707.5 (2014-Feb-19.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .176803438325347 4.3863e-08  
q 1.944659654508455 1.0362e-07 au
tp 2456233.546841057049
(2012-Nov-02.04684106)
4.7614e-05 TDB
node 156.7415789840887 7.856e-05 deg
peri 62.3301251992449 7.968e-05 deg
i 3.024583363145379 5.4317e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      581  
   data-arc span      8104 days (22.19 yr)  
   first obs. used      1998-04-20  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57205  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:34:19  

Additional Information
 Jupiter MOID = 2.19065 au 
 T_jup = 3.527 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.923984028849429E-15 -4.53062396692266E-15 -8.538298636827587E-13 9.869562446705909E-15 -2.4575190847258E-13 1.80265300561717E-16
q -4.53062396692266E-15 1.073715355982403E-14 1.997921488486682E-12 -2.274139628909017E-14 5.804673237673808E-13 -2.707027984557071E-16
tp -8.538298636827587E-13 1.997921488486682E-12 2.267111140162092E-9 -1.312653545112357E-11 6.46811348983556E-10 -2.094523041155256E-13
node 9.869562446705909E-15 -2.274139628909017E-14 -1.312653545112357E-11 6.171621072730225E-9 -6.16624616937972E-9 1.268342428595412E-10
peri -2.4575190847258E-13 5.804673237673808E-13 6.46811348983556E-10 -6.16624616937972E-9 6.348840055568781E-9 -1.266983679254561E-10
i 1.80265300561717E-16 -2.707027984557071E-16 -2.094523041155256E-13 1.268342428595412E-10 -1.266983679254561E-10 2.9503485147928E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.42   n/a E2021B55  

100909 (1998 KV22)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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