******************************************************************************* JPL/HORIZONS 145452 Ritona (2005 RN43) 2025-Dec-12 18:03:53 Rec #: 145452 (+COV) Soln.date: 2025-Nov-27_20:43:52 # obs: 1728 (1954-2025) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2458313.5 ! 2018-Jul-14.00 (TDB) Residual RMS= .12084 EC= .02255491497401281 QR= 40.60278715405874 TP= 2460833.4231393654 OM= 186.9399595393847 W= 165.5338476061504 IN= 19.30219609287185 A= 41.53971182225469 MA= 350.723243667185 ADIST= 42.47663649045064 PER= 267.73394 N= .003681365 ANGMOM= .110841574 DAN= 42.44558 DDN= 40.6312 L= 353.2555482 B= 4.7365454 MOID= 39.60029984 TP= 2025-Jun-06.9231393654 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= 6.95 H= 3.69 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ASTEROID comments: 1: soln ref.= JPL#43, OCC=0 2: source=ORB ******************************************************************************* ******************************************************************************* Ephemeris / WWW_USER Fri Dec 12 18:03:53 2025 Pasadena, USA / Horizons ******************************************************************************* Target body name: 145452 Ritona (2005 RN43) {source: JPL#43} Center body name: Sun (10) {source: DE441} Center-site name: BODY CENTER ******************************************************************************* Start time : A.D. 2025-May-05 00:00:00.0000 TDB Stop time : A.D. 2025-Nov-21 00:00:00.0000 TDB Step-size : 288000 minutes ******************************************************************************* Center geodetic : 0.0, 0.0, 0.0 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center radii : 695700.0, 695700.0, 695700.0 km {Equator_a, b, pole_c} Keplerian GM : 2.9591220828411951E-04 au^3/d^2 Small perturbers: Yes {source: SB441-N16} Output units : AU-D, deg, Julian Day Number (Tp) Calendar mode : Mixed Julian/Gregorian Output type : GEOMETRIC osculating elements Output format : 10 Reference frame : Ecliptic of J2000.0 ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2458313.5 ! 2018-Jul-14.00 (TDB) Residual RMS= .12084 EC= .02255491497401281 QR= 40.60278715405874 TP= 2460833.4231393654 OM= 186.9399595393847 W= 165.5338476061504 IN= 19.30219609287185 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X= 3.867964618832768E+01 Y=-1.237415303285848E+01 Z= 6.269021976499458E-01 VX= 8.156754147379901E-04 VY= 2.594457046216735E-03 VZ= 2.263232767699120E-04 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= 6.95 H= 3.69 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ******************************************************************************* JDTDB EC QR IN OM W Tp N MA TA A AD PR ******************************************************************************* $$SOE 2460800.500000000 = A.D. 2025-May-05 00:00:00.0000 TDB EC= 2.530437254122989E-02 QR= 4.056174959565980E+01 IN= 1.925102777394223E+01 OM= 1.870131690866855E+02 W = 1.781636001528777E+02 Tp= 2464115.194321070798 N = 3.671407418562536E-03 MA= 3.478304066793531E+02 TA= 3.471996747499353E+02 A = 4.161478563458065E+01 AD= 4.266782167350150E+01 PR= 9.805503965042120E+04 2461000.500000000 = A.D. 2025-Nov-21 00:00:00.0000 TDB EC= 2.388821017468033E-02 QR= 4.056075571255746E+01 IN= 1.926447840568930E+01 OM= 1.870028343803978E+02 W = 1.787941572192277E+02 Tp= 2464278.210600083694 N = 3.679546997935624E-03 MA= 3.479395098013604E+02 TA= 3.473503760914543E+02 A = 4.155339187104380E+01 AD= 4.254602802953014E+01 PR= 9.783813067260037E+04 $$EOE ******************************************************************************* TIME Barycentric Dynamical Time ("TDB" or T_eph) output was requested. This continuous coordinate time is equivalent to the relativistic proper time of a clock at rest in a reference frame co-moving with the solar system barycenter but outside the system's gravity well. It is the independent variable in the solar system relativistic equations of motion. TDB runs at a uniform rate of one SI second per second and is independent of irregularities in Earth's rotation. CALENDAR SYSTEM Mixed calendar mode was active such that calendar dates after AD 1582-Oct-15 (if any) are in the modern Gregorian system. Dates prior to 1582-Oct-5 (if any) are in the Julian calendar system, which is automatically extended for dates prior to its adoption on 45-Jan-1 BC. The Julian calendar is useful for matching historical dates. The Gregorian calendar more accurately corresponds to the Earth's orbital motion and seasons. A "Gregorian-only" calendar mode is available if such physical events are the primary interest. REFERENCE FRAME AND COORDINATES Ecliptic at the standard reference epoch Reference epoch: J2000.0 X-Y plane: adopted Earth orbital plane at the reference epoch Note: IAU76 obliquity of 84381.448 arcseconds wrt ICRF X-Y plane X-axis : ICRF Z-axis : perpendicular to the X-Y plane in the directional (+ or -) sense of Earth's north pole at the reference epoch. Symbol meaning [1 au= 149597870.700 km, 1 day= 86400.0 s]: JDTDB Julian Day Number, Barycentric Dynamical Time EC Eccentricity, e QR Periapsis distance, q (au) IN Inclination w.r.t X-Y plane, i (degrees) OM Longitude of Ascending Node, OMEGA, (degrees) W Argument of Perifocus, w (degrees) Tp Time of periapsis (Julian Day Number) N Mean motion, n (degrees/day) MA Mean anomaly, M (degrees) TA True anomaly, nu (degrees) A Semi-major axis, a (au) AD Apoapsis distance (au) PR Sidereal orbit period (day) ABERRATIONS AND CORRECTIONS Geometric osculating elements have NO corrections or aberrations applied. Computations by ... Solar System Dynamics Group, Horizons On-Line Ephemeris System 4800 Oak Grove Drive, Jet Propulsion Laboratory Pasadena, CA 91109 USA General site: https://ssd.jpl.nasa.gov/ Mailing list: https://ssd.jpl.nasa.gov/email_list.html System news : https://ssd.jpl.nasa.gov/horizons/news.html User Guide : https://ssd.jpl.nasa.gov/horizons/manual.html Connect : browser https://ssd.jpl.nasa.gov/horizons/app.html#/x API https://ssd-api.jpl.nasa.gov/doc/horizons.html command-line telnet ssd.jpl.nasa.gov 6775 e-mail/batch https://ssd.jpl.nasa.gov/ftp/ssd/horizons_batch.txt scripts https://ssd.jpl.nasa.gov/ftp/ssd/SCRIPTS Author : Jon.D.Giorgini@jpl.nasa.gov ******************************************************************************* !$$SOF CENTER = '500@10' COMMAND = '145452' OUT_UNITS = 'AU-D' START_TIME = 'JD2460800.5' STEP_SIZE = '200d' STOP_TIME = 'JD2461000.5' TABLE_TYPE = 'ELEMENTS'