+ View the NASA Portal + Center for Near-Earth Object Studies JPL Small-Body Database Browser Search: [ help ]   2325 Chernykh (1979 SP) Classification: Main-belt Asteroid          SPK-ID: 2002325 [ 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 43 (heliocentric ecliptic J2000)  Element Value Uncertainty (1-sigma)   Units  e .1764309025287299 1.9306e-08   a 3.140157308452979 1.4481e-08 au q 2.586136520440433 6.1545e-08 au i 1.92013410435546 1.2182e-06 deg node 139.933781226799 2.3673e-05 deg peri 267.1924202811612 2.4636e-05 deg M 99.1885898282855 7.5002e-06 deg tp 2458640.504226308322 (2019-Jun-06.00422631) 4.0299e-05 TDB period 2032.476506400684 5.56 1.406e-05 3.849e-08 d yr n .1771238185859892 1.2253e-09 deg/d Q 3.694178096465526 1.7036e-08 au   Orbit Determination Parameters    # obs. used (total)      2764      data-arc span      24047 days (65.84 yr)      first obs. used      1955-05-22      last obs. used      2021-03-23      planetary ephem.      DE441      SB-pert. ephem.      SB441-N16      condition code      0      norm. resid. RMS      .44258      source      ORB      producer      Otto Matic      solution date      2021-May-03 20:10:03   Additional Information  Earth MOID = 1.59596 au   Jupiter MOID = 1.70091 au   T_jup = 3.185  [ 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 12.01   n/a E2021B10   diameter diameter 22.789 km 0.194 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   geometric albedo albedo 0.065   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)   2325 Chernykh           Discovered 1979 Sept. 25 by A. Mrkos at the Klet Observatory. Named in honor of Ludmila I. Chernykh and Nikolaj S. Chernykh, astronomers at the Crimean Astrophysical Observatory who lead the impressive program of observations and discoveries of minor planets there. NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character) Reference: MPC 6060 Last Updated: 2006-03-21 [ 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 1909-Oct-26 01:37 00:02 Jupiter 1.96519000665611 1.96518918949118 1.96519082382295 2.52718011182784 2.35044958371227 2418605.567121978 2.32333103243451 114.090923832003 2.68264142229441 82.4311616876331 8723594.10693701 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 1973-Feb-15 03:54 00:01 Jupiter 1.92852607893637 1.92852564589394 1.9285265119788 3.00904647305987 2.85936117099663 2441728.662315228 1.04888950615497 27.7607793898439 6.60703520058519 68.3212793723889 4942180.52955683 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 1983-Jul-23 17:06 < 00:01 Jupiter 1.7522682873151 1.75226804298239 1.75226853164772 1.85820440127433 1.57675329901801 2445539.212562331 0.789374932489904 17.7972550352448 12.540962094896 72.0440824978253 4077055.69875247 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 1994-Jan-05 23:42 < 00:01 Jupiter 1.79907270038636 1.79907250550917 1.79907289526354 1.86792532180497 1.59609642337234 2449358.487678785 0.506326310681751 26.4047317208381 7.93431043271459 -78.7039062558896 5958297.38765983 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2067-Oct-14 19:12 00:01 Jupiter 1.86086777667403 1.86086749338291 1.86086805996504 2.6117839463709 2.43126781958351 2476303.299873595 1.10158074909161 23.1447329347993 3.32146222790767 88.9841213230811 4778569.89359407 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2078-Mar-22 12:00 00:01 Jupiter 1.73001060320022 1.73001040069421 1.73001080570614 1.73890175728213 1.42988410271816 2480115.000021646 1.34776246483618 31.0003503791031 17.5438191965517 68.647416314576 4725677.06567447 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2088-Sep-05 14:39 00:02 Jupiter 1.8458772229676 1.84587669255952 1.84587775337652 2.03185357731775 1.79183808603415 2483935.110588284 1.60739991415222 79.0634785681124 3.88317547260702 -89.2706915959875 6805621.39252282 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2162-Jun-13 03:07 00:03 Jupiter 1.80358399544855 1.80358324816324 1.80358474273357 2.28252224250632 2.06655313131282 2510877.629966646 3.26066413726229 46.5158267966312 2.86331728428246 -76.5633390392464 3121453.03620834 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2172-Nov-19 14:06 00:03 Jupiter 1.73063028169878 1.730629891829 1.73063067156965 1.70275773000915 1.38582961945058 2514690.087430548 3.45940995454942 92.4984500356544 19.1025528306904 85.9942054318542 4889664.93767172 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 2183-May-06 00:48 00:04 Jupiter 1.91034725185428 1.91034594713962 1.91034855657415 2.27544778961643 2.07144618526972 2518509.533572122 3.69475538191988 183.766574748697 1.56417744972357 85.2073310998342 7832415.44120741 T 43 CATAB v2.0g-lin.ifort 2021-May-03 20:11:00 2021-May-03 20:11 Alternate Designations  1979 SP = 1957 UJ = 1959 CH = 1971 FR = 1974 WD1 = 1974 XN = 1979 UG3  [ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ] 2021-May-11 11:47 UT (server date/time)   Site Manager:   Ryan S. Park Webmaster:   Alan B. Chamberlin