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.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980804178577664 4.0642e-08  
a 3.094784334353094 1.6321e-08 au
q 2.481768160224764 1.2905e-07 au
i 8.225436115862403 4.2344e-06 deg
node 177.5355101808426 2.5153e-05 deg
peri 189.6898848254543 2.6559e-05 deg
M 231.2988246652561 1.0447e-05 deg
tp 2459711.425388261891
(2022-May-11.92538826)
6.1144e-05 TDB
period 1988.584324180525
5.44
1.5731e-05
4.307e-08
d
yr
n .1810333087827957 1.432e-09 deg/d
Q 3.707800508481425 1.9553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2114  
   data-arc span      23318 days (63.84 yr)  
   first obs. used      1956-11-03  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:24  

Additional Information
 Earth MOID = 1.48085 au 
 Jupiter MOID = 1.75331 au 
 T_jup = 3.178 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457004.5 (2014-Dec-13.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1978211395427217 4.0682e-08  
q 2.483021920844219 1.2918e-07 au
tp 2457724.638507311011
(2016-Dec-02.13850731)
5.2614e-05 TDB
node 177.5566301755504 2.5158e-05 deg
peri 190.1293953300272 2.6564e-05 deg
i 8.224073511695702 4.234e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2114  
   data-arc span      23318 days (63.84 yr)  
   first obs. used      1956-11-03  
   last obs. used      2020-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48107  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:02:24  

Additional Information
 Jupiter MOID = 1.75331 au 
 T_jup = 3.178 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.655057364195424E-15 -5.229093705563629E-15 -2.399305782116674E-14 -5.655106942522289E-15 4.882871458528544E-14 2.946175592744062E-16
q -5.229093705563629E-15 1.668676437830568E-14 3.754939604503607E-13 1.827406904359154E-14 -1.177909873716696E-13 -2.132134975420187E-16
tp -2.399305782116674E-14 3.754939604503607E-13 2.768196294825376E-9 -4.061239855045834E-12 4.592799016932932E-10 1.824153612312376E-12
node -5.655106942522289E-15 1.827406904359154E-14 -4.061239855045834E-12 6.329090953176396E-10 -6.269152369388598E-10 2.962538607735931E-11
peri 4.882871458528544E-14 -1.177909873716696E-13 4.592799016932932E-10 -6.269152369388598E-10 7.056459764160933E-10 -2.903191068919421E-11
i 2.946175592744062E-16 -2.132134975420187E-16 1.824153612312376E-12 2.962538607735931E-11 -2.903191068919421E-11 1.792713712917413E-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 12.8   n/a MPO435728  
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 2020-Dec-04 18:42 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin