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19285 (1996 CM9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019285
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05704684339350468 3.1982e-08  
a 3.400725946187776 2.3419e-08 au
q 3.206725265711374 1.1186e-07 au
i 14.35424560020118 5.2555e-06 deg
node 326.9740006173354 1.3932e-05 deg
peri 291.4036278407779 4.8321e-05 deg
M 241.5806299922457 4.6819e-05 deg
tp 2459953.987626317159
(2023-Jan-09.48762632)
0.00029755 TDB
period 2290.634931231392
6.27
2.3661e-05
6.478e-08
d
yr
n .1571616651311924 1.6234e-09 deg/d
Q 3.594726626664178 2.4755e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2033  
   data-arc span      9171 days (25.11 yr)  
   first obs. used      1996-02-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:52:30  

Additional Information
 Earth MOID = 2.22423 au 
 Jupiter MOID = 1.65038 au 
 T_jup = 3.094 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05771238965446887 3.1634e-08  
q 3.205418213631571 1.0974e-07 au
tp 2457649.159917387608
(2016-Sep-17.65991739)
0.00029658 TDB
node 327.0176378804975 1.3924e-05 deg
peri 288.9046935975178 4.7899e-05 deg
i 14.35834513228991 5.2565e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2033  
   data-arc span      9171 days (25.11 yr)  
   first obs. used      1996-02-12  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44437  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:52:30  

Additional Information
 Jupiter MOID = 1.65038 au 
 T_jup = 3.094 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.00070116450677E-15 -3.401513199652493E-15 2.114235083696822E-12 3.363781616421776E-15 3.308982125147139E-13 3.399284310903E-15
q -3.401513199652493E-15 1.204290225926772E-14 -7.575856685507774E-12 -1.387201270718889E-14 -1.20381773460087E-12 -1.567863661300226E-14
tp 2.114235083696822E-12 -7.575856685507774E-12 8.79608917711821E-8 3.004779378927382E-11 1.360203235843053E-8 -1.348288619500536E-11
node 3.363781616421776E-15 -1.387201270718889E-14 3.004779378927382E-11 1.938760706616644E-10 -1.829402269230828E-10 2.319821587542711E-12
peri 3.308982125147139E-13 -1.20381773460087E-12 1.360203235843053E-8 -1.829402269230828E-10 2.294295746557946E-9 -4.379815826072994E-12
i 3.399284310903E-15 -1.567863661300226E-14 -1.348288619500536E-11 2.319821587542711E-12 -4.379815826072994E-12 2.763091399907318E-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 12.46   n/a MPCxxxxx  

19285 (1996 CM9)          Discovered 1996-Feb-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 CM9 = 1999 RC204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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