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JPL Small-Body Database Browser
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49772 (1999 WT7)
Classification: Main-belt Asteroid          SPK-ID: 2049772
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08368299275379748 3.3579e-08  
a 2.356238445783042 1.0612e-08 au
q 2.159061360998361 7.9469e-08 au
i 2.87863466882381 4.747e-06 deg
node 207.8379978963008 7.5757e-05 deg
peri 91.4985074124114 8.4003e-05 deg
M 254.7349874691228 4.0487e-05 deg
tp 2458986.785876363605
(2020-May-17.28587636)		 0.00014987 TDB
period 1321.074421096059
3.62		 8.9247e-06
2.443e-08		 d
yr
n .2725054654387434 1.841e-09 deg/d
Q 2.553415530567724 1.15e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1112  
   data-arc span      8595 days (23.53 yr)  
   first obs. used      1995-10-15  
   last obs. used      2019-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:52:16  

Additional Information
 Earth MOID = 1.14502 au 
 Jupiter MOID = 2.58222 au 
 T_jup = 3.548 
[ 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 15.2   n/a MPO337655  

49772 (1999 WT7)          Discovered 1999-Nov-28 by Korlevic, K. at Visnjan
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 WT7 = 1995 TK4 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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