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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1980804178281625 4.0648e-08  
a 3.09478433434152 1.6323e-08 au
q 2.4817681603071 1.2907e-07 au
i 8.225436180471556 4.2372e-06 deg
node 177.5355100707665 2.5155e-05 deg
peri 189.6898849559852 2.6561e-05 deg
M 231.2988246524495 1.0447e-05 deg
tp 2459711.425388328645
(2022-May-11.92538833)
6.1145e-05 TDB
period 1988.584324169369
5.44
1.5732e-05
4.307e-08
d
yr
n .1810333087838113 1.4322e-09 deg/d
Q 3.70780050837594 1.9556e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2106  
   data-arc span      23280 days (63.74 yr)  
   first obs. used      1956-11-03  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48086  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:00:42  

Additional Information
 Earth MOID = 1.48085 au 
 Jupiter MOID = 1.75331 au 
 T_jup = 3.178 
[ 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 12.8   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 ]
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