+ 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 2459200.5 (2020-Dec-17.0) TDB Reference: JPL 64 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .09705656885104262 3.3397e-08   a 3.000388304485114 1.0422e-08 au q 2.709180910430991 9.968e-08 au i 14.47021055731198 3.536e-06 deg node 179.3744681734318 1.5152e-05 deg peri 87.5526649587858 2.4084e-05 deg M 229.8940952190344 2.0014e-05 deg tp 2459886.555308587592 (2022-Nov-03.05530859) 0.00010652 TDB period 1898.299016538303 5.20 9.8907e-06 2.708e-08 d yr n .1896434633656864 9.8809e-10 deg/d Q 3.291595698539236 1.1433e-08 au   Orbit Determination Parameters    # obs. used (total)      3356      data-arc span      43477 days (119.03 yr)      first obs. used      1902-03-04      last obs. used      2021-03-16      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .39094      source      ORB      producer      Otto Matic      solution date      2021-Apr-12 10:57:40   Additional Information  Earth MOID = 1.74233 au   Jupiter MOID = 1.8717 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 08:15 00:02 Jupiter 1.87505790540557 1.8750574913408 1.87505831947206 4.24173055072976 4.13386203059449 2416904.843900593 1.64027224928183 158.346504648621 15.7479322850257 84.2446619063765 3806029.4356087 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 1988-Apr-24 14:15 < 00:01 Jupiter 1.88903345716126 1.88903308233367 1.88903383198897 4.08257125459302 3.97122264801277 2447276.093922149 0.410376893767466 54.0166264754201 16.5229818797989 81.8898957589747 4020244.00024814 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 2034-Jun-29 08:26 < 00:01 Jupiter 1.99318373986208 1.99318339094866 1.99318408877562 5.22183760068043 5.13981213486952 2464142.851414479 0.346975815426406 47.4736577456283 15.207690298633 -81.3319287366183 5185743.6197213 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 2071-Jun-22 19:50 < 00:01 Jupiter 1.90817650773945 1.90817609707209 1.90817691840713 3.88459305218739 3.76859138694721 2477650.326632987 0.94549106456386 84.2669767217256 17.4798377838851 81.3891316824406 3344530.1005277 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 2117-Aug-21 17:13 00:02 Jupiter 1.97682691623366 1.97682623045002 1.976827602021 5.18784999544639 5.10458969539392 2494511.217134201 1.51683005159535 157.487258050032 15.367982812567 -79.3725262394553 5006447.89743331 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 2154-Aug-22 11:27 00:02 Jupiter 1.93433775152654 1.93433713811446 1.93433836494168 3.67048091497225 3.54917665829737 2508025.976801750 2.30642685428052 157.402075458465 19.0182078923342 76.9670039393732 2826070.62235007 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 2200-Oct-16 17:20 00:03 Jupiter 1.95565612758161 1.95565518090803 1.95565707426896 5.11719386204641 5.03184305679107 2524882.222405707 2.70882839807009 281.790844863067 15.2532158898161 -81.4771731528097 4928333.42240982 T 64 CATAB v2.0f-lin.ifort 2021-Apr-12 10:58:02 2021-Apr-12 10:58 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-Apr-14 05:26 UT (server date/time)   Site Manager:   Ryan S. 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