+ View the NASA Portal + Center for Near-Earth Object Studies 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 ] [ show orbit diagram ] 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  [ 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.DB Last Updated: 2003-08-29 [ hide close-approach data ] Close-Approach Data   ...sorted by Date/Time (TDB) Date/Time (TDB) Time Uncertainty (days_HH:MM) Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified 1910-Jun-15 01:07 00:03 Jupiter 1.78651428236432 1.78651362755694 1.78651493717729 2.45073964215478 2.24897407407167 2418837.546864048 2.63840951149364 205.630447918829 19.7745168504471 -83.6924044016758 2559292.10198929 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 1920-Jul-01 05:08 00:02 Jupiter 1.90091977131123 1.90091879311688 1.90092074950656 2.43590465423348 2.24554230499633 2422506.713818568 2.47057984749423 99.0597041959565 19.9040909451143 71.6242979074663 2916615.51785824 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 1981-Jun-11 12:46 < 00:01 Jupiter 1.7684218096845 1.76842139729138 1.76842222207773 2.42162452814816 2.21502226499976 2444767.032217253 0.854435543514772 78.3559467775894 20.0409700421909 -84.2472742666785 2507291.0600221 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 1991-Jun-25 11:56 < 00:01 Jupiter 1.94804390217631 1.94804345484247 1.94804434951026 2.57649202416586 2.40181135312533 2448432.996984618 0.613298894256351 50.5089996186116 14.2317225004039 79.9526926323426 3362609.52760324 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 2052-Jun-08 02:15 < 00:01 Jupiter 1.76063368178479 1.76063329388558 1.76063406968401 2.41415548679628 2.20589382280506 2470696.593452285 0.954930039686164 84.7979677010804 20.1694850334762 -87.4348025769834 2512217.99770074 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 2113-May-23 09:03 00:03 Jupiter 1.97405158562464 1.97405058693561 1.9740525843148 2.54207315991739 2.3672725942393 2492959.876981993 2.56924189351594 101.501728630234 16.1216186338476 -70.8832609912211 2943213.73821726 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 2123-Jun-06 21:45 00:03 Jupiter 1.76844734332451 1.76844693314874 1.76844775350129 2.43138812425215 2.22569546907583 2496626.406334329 2.7333124273866 207.79856740619 19.9122796844884 88.4773064930177 2569170.72649546 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 2184-May-17 18:13 00:04 Jupiter 1.92316514872036 1.92316357555714 1.92316672188928 2.40644405413269 2.21587679731431 2518887.258704509 4.43300214164404 195.754520189045 18.926623527555 -72.1062896386233 2816513.47578312 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 2194-Jun-05 03:24 00:05 Jupiter 1.78526741333108 1.78526666159415 1.78526816508334 2.46534023186088 2.26472951577461 2522557.641527241 4.52898434478369 321.179489777016 19.5003189974982 85.5672160742597 2684239.07088502 T 33 CATAB v2.0f-lin.ifort 2020-Nov-13 04:02:30 2020-Nov-13 04:02 Alternate Designations  1978 RF6 = 1981 EE25  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-16 09:56 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin