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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
17704 (1997 UM5)
Classification: Main-belt Asteroid          SPK-ID: 2017704
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1741622526233213 4.4446e-08  
a 2.21405003596492 7.1671e-09 au
q 1.828446094280524 9.9851e-08 au
i 4.534107946188639 4.9223e-06 deg
node 29.7359488841973 4.7475e-05 deg
peri 220.7507389895006 4.8937e-05 deg
M 318.0127807988659 1.3606e-05 deg
tp 2458740.844108339128
(2019-Sep-14.34410834)
4.5753e-05 TDB
period 1203.315674707062
3.29
5.8429e-06
1.6e-08
d
yr
n .2991733653661905 1.4527e-09 deg/d
Q 2.599653977649316 8.4153e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      12113 days (33.16 yr)  
   first obs. used      1986-03-12  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5062  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:38  

Additional Information
 Earth MOID = .817242 au 
 Jupiter MOID = 2.43919 au 
 T_jup = 3.631 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO384906  
diameter diameter 2.326 km 0.177 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.248   0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17704 (1997 UM5)          Discovered 1997-Oct-21 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 UM5 = 1986 EX3 = 1999 DC1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-28 20:19 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin