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JPL Small-Body Database Browser
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8498 Ufa (1990 RM17)
Classification: Main-belt Asteroid          SPK-ID: 2008498
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .114621752593066 4.9461e-08  
a 2.999232772056241 1.6909e-08 au
q 2.655455455288596 1.487e-07 au
i 10.24188747583775 5.2647e-06 deg
node 342.6054932043147 2.417e-05 deg
peri 44.58983811551862 3.0122e-05 deg
M 248.7490391268408 1.929e-05 deg
tp 2459586.793333607646
(2022-Jan-07.29333361)
0.00010382 TDB
period 1897.202491036417
5.19
1.6044e-05
4.393e-08
d
yr
n .1897530715360471 1.6046e-09 deg/d
Q 3.343010088823887 1.8847e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1627  
   data-arc span      15767 days (43.17 yr)  
   first obs. used      1977-02-18  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:58:57  

Additional Information
 Earth MOID = 1.6696 au 
 Jupiter MOID = 2.18285 au 
 T_jup = 3.219 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456688.5 (2014-Jan-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166874841919756 4.9195e-08  
q 2.645567351087303 1.4736e-07 au
tp 2455802.765142196320
(2011-Aug-29.26514220)
9.3031e-05 TDB
node 342.694258841976 2.4176e-05 deg
peri 45.45086714280361 2.9993e-05 deg
i 10.24555121047233 5.2677e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1627  
   data-arc span      15767 days (43.17 yr)  
   first obs. used      1977-02-18  
   last obs. used      2020-04-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47987  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:58:57  

Additional Information
 Jupiter MOID = 2.18285 au 
 T_jup = 3.219 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.420145610109735E-15 -7.210439687779634E-15 -6.623831408679799E-13 2.403433812497739E-17 -1.711501518874633E-13 -2.402859830475356E-15
q -7.210439687779634E-15 2.171363074941846E-14 2.144160549344843E-12 1.229417373317132E-15 5.603567331744189E-13 8.366648899200548E-15
tp -6.623831408679799E-13 2.144160549344843E-12 8.654826599609091E-9 -8.297609990438152E-12 1.668675731550214E-9 -9.909647056098015E-13
node 2.403433812497739E-17 1.229417373317132E-15 -8.297609990438152E-12 5.84486585433282E-10 -5.760880965442026E-10 3.478450649519629E-11
peri -1.711501518874633E-13 5.603567331744189E-13 1.668675731550214E-9 -5.760880965442026E-10 8.995613646653618E-10 -3.420678854504503E-11
i -2.402859830475356E-15 8.366648899200548E-15 -9.909647056098015E-13 3.478450649519629E-11 -3.420678854504503E-11 2.774876169646221E-11

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 12.7   n/a MPO263425  
diameter diameter 9.455 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.180   0.029 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8498 Ufa           Discovered 1990 Sept. 15 by L. V. Zhuravleva at the Crimean Astrophysical Observatory.
The city of Ufa is a large industrial and cultural center in the south Urals. Founded in 1574, it is the capital of Bashkir, a republic in the Russian Federation.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20000124/MPCPages.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 1990 RM17 = 1977 DL5 = 1982 DE2 = 1990 SW19 = 1990 UA12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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