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 ]  
136603 (1993 PR4)
Classification: Main-belt Asteroid          SPK-ID: 2136603
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734219062937719 5.5243e-08  
a 2.107746679590984 1.4697e-08 au
q 1.742217232431947 1.2079e-07 au
i 3.767629679158852 6.3415e-06 deg
node 284.0745902644306 8.3924e-05 deg
peri 55.52634186403108 0.00010099 deg
M 134.7626903404819 6.7949e-05 deg
tp 2458182.098513067658
(2018-Mar-04.59851307)
0.00020931 TDB
period 1117.702050286217
3.06
1.169e-05
3.201e-08
d
yr
n .3220894154285683 3.3688e-09 deg/d
Q 2.47327612675002 1.7246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   data-arc span      9277 days (25.40 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58752  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:21:53  

Additional Information
 Earth MOID = .73567 au 
 Jupiter MOID = 2.90117 au 
 T_jup = 3.720 
[ 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 16.6   n/a MPO459644  

136603 (1993 PR4)          Discovered 1993-Aug-15 by Elst, E. W. at Caussols
Reference: 20061205/Numbers.arcLast Updated: 2006-12-13

[ show close-approach data ]
Alternate Designations
 1993 PR4 = 1999 NT22 = 2004 BZ67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin