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447995 (2008 CH199)
Classification: Main-belt Asteroid          SPK-ID: 2447995
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04778146211045053 9.469e-08  
a 2.808554779622949 4.9648e-08 au
q 2.674357925835271 2.8524e-07 au
i 4.178825685743446 7.9321e-06 deg
node 12.4693909311978 0.00011796 deg
peri 130.6495482947426 0.00013711 deg
M 247.4181289695316 7.5357e-05 deg
tp 2459538.136489468784
(2021-Nov-19.63648947)
0.00036515 TDB
period 1719.185641855084
4.71
4.5586e-05
1.248e-07
d
yr
n .2094014696467233 5.5526e-09 deg/d
Q 2.942751633410628 5.2021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2008-02-13  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:25:21  

Additional Information
 Earth MOID = 1.68846 au 
 Jupiter MOID = 2.04464 au 
 T_jup = 3.316 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457503.5 (2016-Apr-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04555734809402242 9.4903e-08  
q 2.681171433827056 2.8512e-07 au
tp 2457821.728536439756
(2017-Mar-09.22853644)
0.00036584 TDB
node 12.55450802094288 0.00011768 deg
peri 131.3525921340474 0.00013853 deg
i 4.184846804765558 7.9403e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      92  
   data-arc span      4243 days (11.62 yr)  
   first obs. used      2008-02-13  
   last obs. used      2019-09-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:25:21  

Additional Information
 Jupiter MOID = 2.04464 au 
 T_jup = 3.316 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.006525721722787E-15 -2.672142551278776E-14 -4.706298853807112E-12 -1.396635729791763E-14 -8.589488960690797E-13 7.342428530757269E-15
q -2.672142551278776E-14 8.129345704561049E-14 1.791232883061041E-11 3.207111133618094E-14 3.272217453698686E-12 -1.967552630054138E-14
tp -4.706298853807112E-12 1.791232883061041E-11 1.338409724091167E-7 -2.21952195981283E-11 2.685089310871551E-8 -5.045905265160889E-12
node -1.396635729791763E-14 3.207111133618094E-14 -2.21952195981283E-11 1.384883119726439E-8 -1.38154981464464E-8 -4.687221699059422E-10
peri -8.589488960690797E-13 3.272217453698686E-12 2.685089310871551E-8 -1.38154981464464E-8 1.918983160817637E-8 4.664127531398789E-10
i 7.342428530757269E-15 -1.967552630054138E-14 -5.045905265160889E-12 -4.687221699059422E-10 4.664127531398789E-10 6.304774770847163E-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 17.1   n/a MPO419205  

447995 (2008 CH199)          Discovered 2008-Feb-13 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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