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JPL Small-Body Database Browser
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49515 (1999 CP31)
Classification: Main-belt Asteroid          SPK-ID: 2049515
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1690112032105074 3.7181e-08  
a 2.699856184391247 1.3866e-08 au
q 2.243550242171953 1.0421e-07 au
i 6.430489111555915 3.515e-06 deg
node 91.62635971003787 4.5972e-05 deg
peri 333.4496226215473 4.8133e-05 deg
M 255.9678604598599 1.5201e-05 deg
tp 2459068.746352128191
(2020-Aug-07.24635213)
6.9828e-05 TDB
period 1620.352013438189
4.44
1.2483e-05
3.418e-08
d
yr
n .2221739455466371 1.7116e-09 deg/d
Q 3.156162126610541 1.621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1177  
   data-arc span      7595 days (20.79 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5474  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 03:43:38  

Additional Information
 Earth MOID = 1.25921 au 
 Jupiter MOID = 2.15142 au 
 T_jup = 3.338 
[ 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 14.4   n/a MPO449318  
diameter diameter 3.662 km 1.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.302   0.168 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49515 (1999 CP31)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CP31 = 2000 HU76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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