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15962 (1998 CM2)
Classification: Main-belt Asteroid          SPK-ID: 2015962
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507957158311756 3.7256e-08  
a 2.430025999265605 9.0961e-09 au
q 2.063588489217981 9.2923e-08 au
i 3.161274798954407 4.0873e-06 deg
node 137.0900606763285 7.7708e-05 deg
peri 288.6544144779787 7.9004e-05 deg
M 327.7739584567501 1.5673e-05 deg
tp 2459124.356632815735
(2020-Oct-01.85663282)
6.0525e-05 TDB
period 1383.613552220595
3.79
7.7687e-06
2.127e-08
d
yr
n .2601882580741041 1.4609e-09 deg/d
Q 2.79646350931323 1.0468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1469  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:24  

Additional Information
 Earth MOID = 1.07987 au 
 Jupiter MOID = 2.49337 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456501.5 (2013-Jul-28.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513676541801974 3.7292e-08  
q 2.06286574100963 9.3187e-08 au
tp 2456353.272487913134
(2013-Mar-01.77248791)
5.5285e-05 TDB
node 137.2091500487305 7.7827e-05 deg
peri 287.9100085925551 7.9106e-05 deg
i 3.15883107641613 4.0844e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1469  
   data-arc span      10835 days (29.66 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-11-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52679  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:01:24  

Additional Information
 Jupiter MOID = 2.49337 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.390715668693203E-15 -3.463900010816196E-15 -2.921448673001812E-13 -3.507265100614373E-15 -7.882516175490108E-14 -5.414650915626363E-16
q -3.463900010816196E-15 8.683820145443823E-15 7.978033316559448E-13 9.355392784214684E-15 2.13460867944343E-13 1.405729697732766E-15
tp -2.921448673001812E-13 7.978033316559448E-13 3.056479135749039E-9 6.548842022851917E-12 8.04016206340978E-10 1.337276102764072E-13
node -3.507265100614373E-15 9.355392784214684E-15 6.548842022851917E-12 6.05703591190575E-9 -6.045291126661718E-9 2.366337236803343E-11
peri -7.882516175490108E-14 2.13460867944343E-13 8.04016206340978E-10 -6.045291126661718E-9 6.257804726722659E-9 -2.359251521035631E-11
i -5.414650915626363E-16 1.405729697732766E-15 1.337276102764072E-13 2.366337236803343E-11 -2.359251521035631E-11 1.668254577348959E-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 14.4   n/a MPO435848  
diameter diameter 7.429 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15962 (1998 CM2)          Discovered 1998-Feb-15 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 CM2 = 1991 EZ4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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