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321658 (2010 CG12)
Classification: Main-belt Asteroid          SPK-ID: 2321658
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967211388241099 4.1684e-08  
a 3.150978476773883 3.6129e-08 au
q 2.531114402412666 1.3964e-07 au
i 10.87822831504439 7.9156e-06 deg
node 173.4183985437152 3.0535e-05 deg
peri 299.0781331261815 4.1147e-05 deg
M 322.4289021426563 2.6406e-05 deg
tp 2459213.715104120087
(2020-Dec-30.21510412)
0.0001518 TDB
period 2042.991604202703
5.59
3.5137e-05
9.62e-08
d
yr
n .1762121778960973 3.0306e-09 deg/d
Q 3.770842551135101 4.3236e-08 au
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      10126 days (27.72 yr)  
   first obs. used      1993-01-24  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:14:04  

Additional Information
 Earth MOID = 1.56852 au 
 Jupiter MOID = 1.46717 au 
 T_jup = 3.150 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457391.5 (2016-Jan-04.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1962042785071182 4.208e-08  
q 2.535113317864644 1.4118e-07 au
tp 2457175.002806805878
(2015-Jun-01.50280681)
0.00013666 TDB
node 173.4349673070547 3.051e-05 deg
peri 299.7599076403262 4.108e-05 deg
i 10.87901252113613 7.9147e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      10126 days (27.72 yr)  
   first obs. used      1993-01-24  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61818  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 18:14:04  

Additional Information
 Jupiter MOID = 1.46717 au 
 T_jup = 3.150 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.770703703642286E-15 -5.819610846281612E-15 3.854389503994296E-13 -5.249463361927754E-15 1.388975884981509E-13 -5.199861577522932E-15
q -5.819610846281612E-15 1.993173977886916E-14 -5.54804776395355E-14 1.595449196703429E-14 -1.968969690227548E-13 2.158531700376731E-14
tp 3.854389503994296E-13 -5.54804776395355E-14 1.867472433954611E-8 1.109235027102105E-11 3.794795820348149E-9 3.923500148239522E-11
node -5.249463361927754E-15 1.595449196703429E-14 1.109235027102105E-11 9.308338539921049E-10 -9.115778997954622E-10 1.138654455052776E-10
peri 1.388975884981509E-13 -1.968969690227548E-13 3.794795820348149E-9 -9.115778997954622E-10 1.687582750122904E-9 -1.040390723497074E-10
i -5.199861577522932E-15 2.158531700376731E-14 3.923500148239522E-11 1.138654455052776E-10 -1.040390723497074E-10 6.264246703384067E-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 15.9   n/a MPO494703  
diameter diameter 4.723 km 0.504 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

321658 (2010 CG12)          Discovered 2010-Feb-12 by Lowe, A. at Mayhill
Reference: 20120308/Numbers.arcLast Updated: 2012-03-13

[ show close-approach data ]
Alternate Designations
 2010 CG12 = 2005 JY148 = 2008 UM68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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