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100530 (1997 CE12)
Classification: Main-belt Asteroid          SPK-ID: 2100530
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2030343964687471 3.3898e-08  
a 2.390009920563796 8.611e-09 au
q 1.904755698787808 8.1385e-08 au
i 7.379721954121583 3.655e-06 deg
node 144.1257651709537 3.1721e-05 deg
peri 319.0511831312462 3.3238e-05 deg
M 196.6745217258031 9.8596e-06 deg
tp 2459812.779078914668
(2022-Aug-21.27907891)
3.8428e-05 TDB
period 1349.577976065867
3.69
7.2936e-06
1.997e-08
d
yr
n .266750055487294 1.4416e-09 deg/d
Q 2.875264142339785 1.0359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      861  
   data-arc span      9132 days (25.00 yr)  
   first obs. used      1995-07-22  
   last obs. used      2020-07-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45509  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:36  

Additional Information
 Earth MOID = .928199 au 
 Jupiter MOID = 2.28252 au 
 T_jup = 3.493 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.37   n/a E2021B55  
diameter diameter 3.445 km 0.664 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100530 (1997 CE12)          Discovered 1997-Feb-03 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1997 CE12 = 2003 UM99 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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