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JPL Small-Body Database Browser
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49561 (1999 CA98)
Classification: Main-belt Asteroid          SPK-ID: 2049561
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1756607465497187 4.1153e-08  
a 3.112396892279227 2.2367e-08 au
q 2.565670930622433 1.3418e-07 au
i 2.717891797945827 6.1965e-06 deg
node 44.13420683449741 0.00010617 deg
peri 75.97728112906128 0.00010796 deg
M 263.977741373616 1.9466e-05 deg
tp 2459135.446441355920
(2020-Oct-12.94644136)
0.00011106 TDB
period 2005.58413895938
5.49
2.1619e-05
5.919e-08
d
yr
n .1794988268040402 1.9349e-09 deg/d
Q 3.65912285393602 2.6296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      10282 days (28.15 yr)  
   first obs. used      1991-10-02  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51436  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:21:13  

Additional Information
 Earth MOID = 1.58369 au 
 Jupiter MOID = 1.4388 au 
 T_jup = 3.193 
[ 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 14.8   n/a MPO452844  
diameter diameter 6.198 km 0.291 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49561 (1999 CA98)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CA98 = 1993 BQ = 1994 HP1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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