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100730 (1998 CE2)
Classification: Main-belt Asteroid          SPK-ID: 2100730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2479506947698372 3.8513e-08  
a 2.251585597807984 1.0697e-08 au
q 1.693303384497736 8.437e-08 au
i 4.755220657048323 5.2785e-06 deg
node 293.7199792543577 4.3626e-05 deg
peri 324.0146626665842 4.5242e-05 deg
M 120.1373591787777 1.0503e-05 deg
tp 2458588.680695919808
(2019-Apr-15.18069592)
3.6326e-05 TDB
period 1234.045350108365
3.38
8.7938e-06
2.408e-08
d
yr
n .2917234767493652 2.0788e-09 deg/d
Q 2.809867811118233 1.3349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      894  
   data-arc span      7954 days (21.78 yr)  
   first obs. used      1998-02-06  
   last obs. used      2019-11-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52662  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:36:06  

Additional Information
 Earth MOID = .680954 au 
 Jupiter MOID = 2.27259 au 
 T_jup = 3.581 
[ show covariance matrix ]

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 15.8   n/a MPO493565  

100730 (1998 CE2)          Discovered 1998-Feb-13 by Tesi, L., Boattini, A. at San Marcello
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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