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JPL Small-Body Database Browser
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91848 (1999 UG6)
Classification: Main-belt Asteroid          SPK-ID: 2091848
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .107250122231044 4.0536e-08  
a 2.943171369869238 1.6963e-08 au
q 2.627515880703853 1.2379e-07 au
i 2.145376786383903 5.4667e-06 deg
node 30.26220827576024 0.0001129 deg
peri 25.67797725628545 0.00011652 deg
M 2.68764909379071 2.7791e-05 deg
tp 2458986.731335524186
(2020-May-17.23133552)
0.00014236 TDB
period 1844.258323285074
5.05
1.5945e-05
4.366e-08
d
yr
n .1952004203829495 1.6876e-09 deg/d
Q 3.258826859034623 1.8783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1994-10-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:38:17  

Additional Information
 Earth MOID = 1.63939 au 
 Jupiter MOID = 2.05739 au 
 T_jup = 3.262 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456717.5 (2014-Mar-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1043933827478363 4.0813e-08  
q 2.637345644383692 1.243e-07 au
tp 2457131.939118701095
(2015-Apr-19.43911870)
0.00014667 TDB
node 30.31099067034983 0.00011264 deg
peri 23.94672680402865 0.00011654 deg
i 2.150544994099865 5.47e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      805  
   data-arc span      9247 days (25.32 yr)  
   first obs. used      1994-10-10  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:38:17  

Additional Information
 Jupiter MOID = 2.05739 au 
 T_jup = 3.262 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.665721357498323E-15 -5.036932911302744E-15 -3.069980110649456E-12 -1.479675874637525E-14 -6.154554573194967E-13 -1.011749433679053E-17
q -5.036932911302744E-15 1.545162650709774E-14 9.143893360032325E-12 4.263019700146501E-14 1.820741720544627E-12 2.883830447348916E-16
tp -3.069980110649456E-12 9.143893360032325E-12 2.151071058426982E-8 8.162730303283617E-11 4.408715463332125E-9 -3.839429248215645E-12
node -1.479675874637525E-14 4.263019700146501E-14 8.162730303283617E-11 1.268712539988133E-8 -1.266077035081688E-8 -2.623397481159039E-10
peri -6.154554573194967E-13 1.820741720544627E-12 4.408715463332125E-9 -1.266077035081688E-8 1.358203297505834E-8 2.61348094979243E-10
i -1.011749433679053E-17 2.883830447348916E-16 -3.839429248215645E-12 -2.623397481159039E-10 2.61348094979243E-10 2.992079162712364E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO502692  

91848 (1999 UG6)          Discovered 1999-Oct-28 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 UG6 = 1994 TM12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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