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192907 (1999 XU213)
Classification: Main-belt Asteroid          SPK-ID: 2192907
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1720471844270534 3.4925e-08  
a 2.806628009437366 1.5737e-08 au
q 2.323755562679562 9.7811e-08 au
i 8.663259213958213 3.6495e-06 deg
node 116.2653418419757 3.3433e-05 deg
peri 4.856462564797677 3.724e-05 deg
M 139.6384944917694 1.6175e-05 deg
tp 2458534.340283993660
(2019-Feb-19.84028399)
7.4868e-05 TDB
period 1717.416809993019
4.70
1.4444e-05
3.955e-08
d
yr
n .2096171400590072 1.763e-09 deg/d
Q 3.289500456195171 1.8444e-08 au
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-12-06  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:03  

Additional Information
 Earth MOID = 1.33974 au 
 Jupiter MOID = 1.79889 au 
 T_jup = 3.284 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457500.5 (2016-Apr-22.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735498234455124 3.4956e-08  
q 2.317839432416822 9.7976e-08 au
tp 2456818.336679747673
(2014-Jun-09.83667975)
7.0053e-05 TDB
node 116.2825508877786 3.3445e-05 deg
peri 4.732430952555363 3.7168e-05 deg
i 8.664277459445584 3.6505e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      545  
   data-arc span      7503 days (20.54 yr)  
   first obs. used      1999-12-06  
   last obs. used      2020-06-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52773  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:18:03  

Additional Information
 Jupiter MOID = 1.79889 au 
 T_jup = 3.284 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.221906344845607E-15 -3.394158850397988E-15 -6.728899719301271E-13 -8.050694410000375E-15 -1.938969892469523E-13 1.058831595670347E-15
q -3.394158850397988E-15 9.599260476347778E-15 2.047684451028021E-12 2.218342358247114E-14 5.952781704066102E-13 -2.972259111485283E-15
tp -6.728899719301271E-13 2.047684451028021E-12 4.907475350036664E-9 4.198536455243661E-13 1.16710381416224E-9 -6.514256922084836E-12
node -8.050694410000375E-15 2.218342358247114E-14 4.198536455243661E-13 1.118548702676081E-9 -1.105238319261267E-9 -2.446087624892586E-11
peri -1.938969892469523E-13 5.952781704066102E-13 1.16710381416224E-9 -1.105238319261267E-9 1.38145238062436E-9 2.265840481541001E-11
i 1.058831595670347E-15 -2.972259111485283E-15 -6.514256922084836E-12 -2.446087624892586E-11 2.265840481541001E-11 1.332600032651535E-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 15.80   n/a E2021B55  

192907 (1999 XU213)          Discovered 1999-Dec-14 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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