Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146217520547897 4.838e-08  
a 2.999232772000032 1.6807e-08 au
q 2.655455456853245 1.458e-07 au
i 10.2418872147474 5.1754e-06 deg
node 342.6054927441999 2.4075e-05 deg
peri 44.58983865976558 3.0004e-05 deg
M 248.7490390858425 1.9283e-05 deg
tp 2459586.793333807226
(2022-Jan-07.29333381)
0.0001038 TDB
period 1897.202490983084
5.19
1.5947e-05
4.366e-08
d
yr
n .1897530715413814 1.595e-09 deg/d
Q 3.343010087146819 1.8734e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      15875 days (43.46 yr)  
   first obs. used      1977-02-18  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47716  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:59:35  

Additional Information
 Earth MOID = 1.6696 au 
 Jupiter MOID = 2.18285 au 
 T_jup = 3.219 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2112-Jan-10 13:51 00:02 Psych 0.0138303103118417 0.0138200816734242 0.0138405496855854 3.69909772546991 3.69909748897302 2492461.077317306 2.44510020732153 793.5872316252 32.0774759005871 50.0853482839936 49443.9738849063 T 24 CATAB v2.0f-lin.ifort 2020-Aug-24 23:59:43 2020-Aug-24 23:59

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 09:35 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin