+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   482 Petrina (A902 EH) Classification: Main-belt Asteroid          SPK-ID: 2000482 [ 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 61 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .0971672090744027 3.6297e-08   a 3.000252556989806 1.1371e-08 au q 2.708726389508766 1.0688e-07 au i 14.46931893174351 3.6884e-06 deg node 179.3836149050593 1.6158e-05 deg peri 87.48549000365391 2.5048e-05 deg M 192.0395587692026 2.0041e-05 deg tp 2459886.104174010725 (2022-Nov-02.60417401) 0.00010674 TDB period 1898.170190001873 5.20 1.0791e-05 2.954e-08 d yr n .1896563342403163 1.0782e-09 deg/d Q 3.291778724470845 1.2475e-08 au   Orbit Determination Parameters    # obs. used (total)      3063      data-arc span      43357 days (118.70 yr)      first obs. used      1902-03-04      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .40764      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 01:53:55   Additional Information  Earth MOID = 1.74349 au   Jupiter MOID = 1.87253 au   T_jup = 3.198  [ 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 8.9   n/a MPO502157 IRAS observations used: 6 diameter diameter 45.751 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   rotation period rot_per 11.7922 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Garlitz, J. (2012) http://eoni.com/~garlitzj/Period.htm] [Pilcher, F.; Ferrero, A.; Oey, J. (2012) Minor Planet Bull. 39, 228-229.] [Pilcher, F. (2014) Minor Planet Bull. 41, 47-49.] [Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.] [Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.] geometric albedo albedo 0.246   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)   B-V BV 0.871   0.038 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.12 deg. U-B UB 0.455   0.043 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=1; phase=14.12 deg. Tholen spectral type spec_T S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 2 color indices 482 Petrina (A902 EH)          Discovered 1902-Mar-03 by Wolf, M. at Heidelberg 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 1905-Feb-28 08:16 00:02 Jupiter 1.87505792639883 1.87505745950917 1.87505839329104 4.2417291620685 4.13386060631744 2416904.844319654 1.79076707990442 169.963085065323 16.915651260793 83.5544875203158 3614074.14905622 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 1988-Apr-24 14:15 < 00:01 Jupiter 1.88903338914799 1.88903298367602 1.88903379462007 4.08257083860665 3.97122221567363 2447276.093952654 0.437052444723004 54.732758778933 18.1128008242189 81.3581116956051 3795590.03819521 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 2034-Jun-29 08:26 < 00:01 Jupiter 1.99318367705675 1.99318330674131 1.99318404737219 5.22183699249453 5.13981151391567 2464142.851477218 0.377879024594607 50.8465800864998 15.7919024363554 -80.5744734918154 5018870.66309503 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 2071-Jun-22 19:51 00:01 Jupiter 1.90817649190892 1.90817607786584 1.90817690595221 3.88459179443116 3.76859008884789 2477650.326860402 1.04528974486982 94.2060322358626 18.6350327533306 83.18568626206 3030400.21130766 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 2117-Aug-21 17:13 00:02 Jupiter 1.97682668388173 1.97682591894885 1.97682744881921 5.18784871944833 5.10458838825346 2494511.217485178 1.6663640363871 172.602204402113 15.9195515058246 -78.9831858125733 4903043.04991041 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 2154-Aug-22 11:27 00:03 Jupiter 1.93433778209552 1.93433715924969 1.93433840494499 3.67047909928662 3.54917478182316 2508025.977143038 2.54143357437574 175.554401813684 20.4086511677851 77.9209471382201 2584344.40161123 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 2200-Oct-16 17:21 00:03 Jupiter 1.95565599357389 1.95565493517482 1.95565705198985 5.11719276655233 5.03184193634146 2524882.222616018 2.97517571848643 309.397122989905 15.8119031596586 -81.2418574425865 4822579.87268085 T 61 CATAB v2.0f-lin.ifort 2020-Dec-18 01:54:04 2020-Dec-18 01:54 Alternate Designations  A902 EH = 1949 HP1 = 1956 TK = 1975 FY = 1987 SJ12  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-22 10:50 UT (server date/time)   Site Manager:   Ryan S. 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