+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   1836 Komarov (1971 OT) Classification: Main-belt Asteroid          SPK-ID: 2001836 [ 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 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1913372375771845 3.6022e-08   a 2.785419929684407 1.1999e-08 au q 2.252465374846157 9.9942e-08 au i 7.021606000555481 4.1019e-06 deg node 272.7345441452732 3.2325e-05 deg peri 12.62639548284425 3.4369e-05 deg M 202.9032923586283 1.4469e-05 deg tp 2459741.467274638438 (2022-Jun-10.96727464) 7.0631e-05 TDB period 1697.987328154476 4.65 1.0972e-05 3.004e-08 d yr n .2120157165078965 1.37e-09 deg/d Q 3.318374484522657 1.4295e-08 au   Orbit Determination Parameters    # obs. used (total)      2530      data-arc span      24978 days (68.39 yr)      first obs. used      1952-06-28      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43259      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:02:58   Additional Information  Earth MOID = 1.23663 au   Jupiter MOID = 1.84755 au   T_jup = 3.294  [ hide covariance matrix ] Orbital Elements at Epoch 2456573.5 (2013-Oct-08.0) TDB Reference: JPL 41 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1938911794519864 3.61e-08   q 2.243144992570682 1.0038e-07 au tp 2456346.238270795728 (2013-Feb-22.73827080) 6.1099e-05 TDB node 272.9310208617896 3.2281e-05 deg peri 12.33101762802557 3.4267e-05 deg i 7.030493929507637 4.1069e-06 deg   Orbit Determination Parameters    # obs. used (total)      2530      data-arc span      24978 days (68.39 yr)      first obs. used      1952-06-28      last obs. used      2020-11-16      planetary ephem.      DE431      SB-pert. ephem.      SB431-N16      condition code      0      norm. resid. RMS      .43259      source      ORB      producer      Otto Matic      solution date      2020-Dec-18 02:02:58   Additional Information  Jupiter MOID = 1.84755 au   T_jup = 3.294  Orbit Covariance (6×6)   e q tp node peri i e 1.303183238941264E-15 -3.607324451415602E-15 1.558600146747002E-13 -2.937879370259757E-15 3.673551046803175E-14 4.26993096594972E-16 q -3.607324451415602E-15 1.00764541621964E-14 -2.963389187082095E-13 6.532782876080217E-15 -7.474027277372906E-14 -9.820318963248579E-16 tp 1.558600146747002E-13 -2.963389187082095E-13 3.733144146731641E-9 -1.165284633625571E-11 7.233499387829847E-10 -6.458055450475481E-14 node -2.937879370259757E-15 6.532782876080217E-15 -1.165284633625571E-11 1.042062831188949E-9 -1.036003532446667E-9 1.321888412523179E-11 peri 3.673551046803175E-14 -7.474027277372906E-14 7.233499387829847E-10 -1.036003532446667E-9 1.174212273254566E-9 -1.315117137150348E-11 i 4.26993096594972E-16 -9.820318963248579E-16 -6.458055450475481E-14 1.321888412523179E-11 -1.315117137150348E-11 1.686642468277992E-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 12.1   n/a MPO337261   diameter diameter 22.240 km 0.304 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   rotation period rot_per 8.8015 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List: [Oey, J. (2009) Minor Planet Bull. 36, 162-165.] geometric albedo albedo 0.042   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   SMASSII spectral type spec_B Ch   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002) 1836 Komarov (1971 OT)          Discovered 1971-Jul-26 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 1978-Feb-12 22:04 < 00:01 Jupiter 1.84381840809022 1.84381806707216 1.84381874910828 2.56913151381756 2.3836247060278 2443552.419435143 0.69124282590814 101.547007087177 16.2652279281174 -85.0912526410627 3174900.52934277 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:03:05 2020-Dec-18 02:03 2000-Dec-08 07:29 < 00:01 Jupiter 1.8900283134847 1.89002795645475 1.89002867051465 2.63447742859577 2.4584882807357 2451886.811460914 0.283138750422374 50.8196945489824 11.7819990837826 -76.8734940315922 3031257.93824413 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:03:05 2020-Dec-18 02:03 2084-Dec-27 17:36 00:01 Jupiter 1.85527566256511 1.85527529242603 1.85527603270425 2.56601015441781 2.38145165401149 2482587.233108367 1.28421515611089 123.669416773813 20.2760445364005 -88.4694765614086 3038294.90078717 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:03:05 2020-Dec-18 02:03 2107-Oct-25 03:39 00:02 Jupiter 1.88336040463665 1.88335977198558 1.8833610372902 2.66842870049424 2.49419961545453 2490922.652333082 1.77056046237489 135.748188920998 11.5004754933854 -79.4312318398173 2769535.89705559 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:03:05 2020-Dec-18 02:03 2191-Nov-12 11:25 00:03 Jupiter 1.86490507459599 1.86490426906532 1.86490588013047 2.54450301667472 2.35926137364344 2521621.975392456 3.24501643141265 192.631958841484 35.145632886497 81.7955244851767 2928129.20335582 T 41 CATAB v2.0f-lin.ifort 2020-Dec-18 02:03:05 2020-Dec-18 02:03 Alternate Designations  1971 OT = 1952 KA1 = 1952 MT = 1961 JG = 1962 SG  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-Jan-21 00:16 UT (server date/time)   Site Manager:   Ryan S. 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