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JPL Small-Body Database Browser
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49544 (1999 CA77)
Classification: Main-belt Asteroid          SPK-ID: 2049544
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05513241753758984 4.5735e-08  
a 3.075998919416751 2.5673e-08 au
q 2.906411662646291 1.4424e-07 au
i 11.53898121361322 5.711e-06 deg
node 170.3676878267651 2.1927e-05 deg
peri 326.0519401376468 5.0522e-05 deg
M 281.2687492871498 4.5836e-05 deg
tp 2459031.445494524194
(2020-Jun-30.94549452)
0.00025175 TDB
period 1970.505696582164
5.39
2.4669e-05
6.754e-08
d
yr
n .1826942193693826 2.2872e-09 deg/d
Q 3.24558617618721 2.7088e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      8481 days (23.22 yr)  
   first obs. used      1996-09-17  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54406  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 04:21:13  

Additional Information
 Earth MOID = 1.92598 au 
 Jupiter MOID = 1.7615 au 
 T_jup = 3.196 
[ 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 14.1   n/a MPO452844  
diameter diameter 5.782 km 0.193 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.092   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49544 (1999 CA77)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CA77 = 2001 QL221 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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