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JPL Small-Body Database Browser
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91847 (1999 UW5)
Classification: Main-belt Asteroid          SPK-ID: 2091847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06401306322465564 4.1852e-08  
a 3.15478372220074 2.7845e-08 au
q 2.95283635233139 1.3213e-07 au
i 11.3216869629629 7.7207e-06 deg
node 7.328917238096379 2.492e-05 deg
peri 69.58904370673081 6.6506e-05 deg
M 213.7127455144693 6.1404e-05 deg
tp 2459832.181042585491
(2022-Sep-09.68104259)
0.00035047 TDB
period 2046.693516695886
5.60
2.7097e-05
7.419e-08
d
yr
n .1758934579424339 2.3287e-09 deg/d
Q 3.356731092070091 2.9627e-08 au
  Orbit Determination Parameters
   # obs. used (total)      780  
   data-arc span      7182 days (19.66 yr)  
   first obs. used      1999-10-03  
   last obs. used      2019-06-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54327  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 14:04:49  

Additional Information
 Earth MOID = 1.99068 au 
 Jupiter MOID = 1.84377 au 
 T_jup = 3.173 
[ 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 14.2   n/a MPO436414  

91847 (1999 UW5)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 UW5 = 2001 CW39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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