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 ]  
3189 Penza (1978 RF6)
Classification: Main-belt Asteroid          SPK-ID: 2003189
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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1981186137122078 2.5348e-08  
a 3.095405285511438 1.4678e-08 au
q 2.482147881468471 8.2083e-08 au
i 8.225050259580902 4.887e-07 deg
node 177.5295051274753 6.0339e-06 deg
peri 189.6252474540335 6.7081e-06 deg
M 267.5907973375232 5.9639e-06 deg
tp 2459711.107781314502
(2022-May-11.60778131)
3.4982e-05 TDB
period 1989.182851675673
5.45
1.4148e-05
3.874e-08
d
yr
n .1809788374642073 1.2872e-09 deg/d
Q 3.708662689554404 1.7586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2157  
   data-arc span      23318 days (63.84 yr)  
   first obs. used      1956-11-03  
   last obs. used      2020-09-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4866  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 14:48:16  

Additional Information
 Earth MOID = 1.47966 au 
 Jupiter MOID = 1.75346 au 
 T_jup = 3.177 
[ 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 12.89   n/a E2021B10  
diameter diameter 10.707 km 1.998 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.136   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

3189 Penza (1978 RF6)          Discovered 1978-Sep-13 by Chernykh, N. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 RF6 = 1981 EE25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-20 02:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin