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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1507957170575737 3.7309e-08  
a 2.430025998769051 9.1344e-09 au
q 2.063588485816125 9.3088e-08 au
i 3.161274756225102 4.0924e-06 deg
node 137.0900600983851 7.7758e-05 deg
peri 288.6544144199217 7.9059e-05 deg
M 327.7739593693776 1.5744e-05 deg
tp 2459124.356629270205
(2020-Oct-01.85662927)
6.0802e-05 TDB
period 1383.613551796501
3.79
7.8015e-06
2.136e-08
d
yr
n .2601882581538548 1.4671e-09 deg/d
Q 2.796463511721977 1.0512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      10825 days (29.64 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:17  

Additional Information
 Earth MOID = 1.07987 au 
 Jupiter MOID = 2.49337 au 
 T_jup = 3.490 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456497.5 (2013-Jul-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1513712195129514 3.7347e-08  
q 2.062877631713076 9.3359e-08 au
tp 2456353.282635575123
(2013-Mar-01.78263558)
5.5453e-05 TDB
node 137.2092917835863 7.7878e-05 deg
peri 287.9135210823491 7.9162e-05 deg
i 3.158811250693834 4.0896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1465  
   data-arc span      10825 days (29.64 yr)  
   first obs. used      1991-03-13  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:30:17  

Additional Information
 Jupiter MOID = 2.49337 au 
 T_jup = 3.490 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.394793029925227E-15 -3.475331192892406E-15 -3.009166719567292E-13 -3.49538537833865E-15 -8.09186161201451E-14 -5.409389470551091E-16
q -3.475331192892406E-15 8.715847456860164E-15 8.222617196833664E-13 9.354635850263321E-15 2.192670158049881E-13 1.406598993155985E-15
tp -3.009166719567292E-13 8.222617196833664E-13 3.075053318174055E-9 6.83580927885482E-12 8.081233586655961E-10 1.557756026138608E-13
node -3.49538537833865E-15 9.354635850263321E-15 6.83580927885482E-12 6.064982638168747E-9 -6.053157340585822E-9 2.423905097375552E-11
peri -8.09186161201451E-14 2.192670158049881E-13 8.081233586655961E-10 -6.053157340585822E-9 6.266629064015318E-9 -2.416200849334745E-11
i -5.409389470551091E-16 1.406598993155985E-15 1.557756026138608E-13 2.423905097375552E-11 -2.416200849334745E-11 1.672475695213562E-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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