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JPL Small-Body Database Browser
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49770 (1999 WC7)
Classification: Main-belt Asteroid          SPK-ID: 2049770
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 .1843386459072927 2.7679e-08  
a 2.319772592679077 7.7189e-09 au
q 1.892148854131766 6.5664e-08 au
i 5.843455362263392 3.119e-06 deg
node 93.66442077474052 3.7156e-05 deg
peri 198.1166191861704 3.8548e-05 deg
M 48.5791910817388 1.0354e-05 deg
tp 2458826.353670752787
(2019-Dec-08.85367075)
3.7048e-05 TDB
period 1290.5253696693
3.53
6.4412e-06
1.764e-08
d
yr
n .2789561588333989 1.3923e-09 deg/d
Q 2.747396331226387 9.1418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1419  
   data-arc span      7788 days (21.32 yr)  
   first obs. used      1998-04-22  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51803  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 02:17:04  

Additional Information
 Earth MOID = .876909 au 
 Jupiter MOID = 2.43199 au 
 T_jup = 3.549 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO432055  

49770 (1999 WC7)          Discovered 1999-Nov-28 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 WC7 = 1998 KO37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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