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JPL Small-Body Database Browser
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49524 (1999 CJ39)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049524
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06035020089677961 4.2137e-08  
a 3.2130138377057 2.8353e-08 au
q 3.019107807116029 1.4156e-07 au
i 8.652719967516862 6.1074e-06 deg
node 348.9968976342731 3.0162e-05 deg
peri 96.22557971747376 6.264e-05 deg
M 236.4352211389255 5.314e-05 deg
tp 2459322.537105116833
(2021-Apr-18.03710512)
0.0003117 TDB
period 2103.620143522502
5.76
2.7845e-05
7.624e-08
d
yr
n .1711335580753575 2.2652e-09 deg/d
Q 3.406919868295372 3.0064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      7555 days (20.68 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-10-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56511  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:41:54  

Additional Information
 Earth MOID = 2.05167 au 
 Jupiter MOID = 1.73501 au 
 T_jup = 3.170 
[ 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 13.9   n/a MPO319674  
diameter diameter 4.915 km 0.573 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.242   0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49524 (1999 CJ39)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CJ39 = 2001 OQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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