API VERSION: 1.2 API SOURCE: NASA/JPL Horizons API ******************************************************************************* JPL/HORIZONS 55565 Aya (2002 AW197) 2025-Dec-12 17:59:44 Rec #: 55565 (+COV) Soln.date: 2025-Jul-01_08:52:23 # obs: 1258 (1997-2025) IAU76/J2000 helio. ecliptic osc. elements (au, days, deg., period=Julian yrs): EPOCH= 2457987.5 ! 2017-Aug-22.00 (TDB) Residual RMS= .089061 EC= .1323728431602572 QR= 41.13603854901029 TP= 2479656.7063834774 OM= 297.5084275272298 W= 294.4933824373491 IN= 24.39464572967836 A= 47.41211501360188 MA= 294.5796164566425 ADIST= 53.68819147819348 PER= 326.46919 N= .003019048 ANGMOM= .117405217 DAN= 44.15794 DDN= 49.28617 L= 234.0848344 B= -22.0769424 MOID= 40.19940186 TP= 2076-Dec-19.2063834774 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= 8.86 H= 3.44 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ASTEROID comments: 1: soln ref.= JPL#38, OCC=0 2: source=ORB ******************************************************************************* ******************************************************************************* Ephemeris / API_USER Fri Dec 12 17:59:45 2025 Pasadena, USA / Horizons ******************************************************************************* Target body name: 55565 Aya (2002 AW197) {source: JPL#38} Center body name: Sun (10) {source: DE441} Center-site name: BODYCENTRIC ******************************************************************************* Start time : A.D. 2078-Apr-01 00:00:00.0000 UT Stop time : A.D. 2078-Jun-01 00:00:00.0000 UT Step-size : 1440 minutes ******************************************************************************* Target pole/equ : undefined Target radii : undefined Center geodetic : 0.0, 0.0, -695700.0 {E-lon(deg),Lat(deg),Alt(km)} Center cylindric: 0.0, 0.0, 0.0 {E-lon(deg),Dxy(km),Dz(km)} Center pole/equ : IAU_SUN {East-longitude positive} Center radii : 695700.0, 695700.0, 695700.0 km {Equator_a, b, pole_c} Target primary : Sun Vis. interferer : None Rel. light bend : Sun {source: DE441} Rel. lght bnd GM: 1.3271E+11 km^3/s^2 Small-body perts: Yes {source: SB441-N16} Atmos refraction: NO (AIRLESS) RA format : HMS Time format : CAL Calendar mode : Mixed Julian/Gregorian EOP file : eop.251212.p260310 EOP coverage : DATA-BASED 1962-JAN-20 TO 2025-DEC-12. PREDICTS-> 2026-MAR-09 Units conversion: 1 au= 149597870.700 km, c= 299792.458 km/s, 1 day= 86400.0 s Table cut-offs 1: Elevation (-90.0deg=NO ),Airmass n.a. , Daylight (NO ) Table cut-offs 2: Solar elongation ( 0.0,180.0=NO ),Local Hour Angle( 0.0=NO ) Table cut-offs 3: RA/DEC angular rate ( 0.0=NO ) ******************************************************************************* Initial IAU76/J2000 heliocentric ecliptic osculating elements (au, days, deg.): EPOCH= 2457987.5 ! 2017-Aug-22.00 (TDB) Residual RMS= .089061 EC= .1323728431602572 QR= 41.13603854901029 TP= 2479656.7063834774 OM= 297.5084275272298 W= 294.4933824373491 IN= 24.39464572967836 Equivalent ICRF heliocentric cartesian coordinates (au, au/d): X=-3.814727502414406E+01 Y= 2.486293275581475E+01 Z=-8.105013458364843E-01 VX=-7.692715702779695E-04 VY=-1.836701314178446E-03 VZ=-1.669946429303044E-03 Asteroid physical parameters (km, seconds, rotational period in hours): GM= n.a. RAD= n.a. ROTPER= 8.86 H= 3.44 G= .150 B-V= n.a. ALBEDO= n.a. STYP= n.a. ******************************************************************************* Date__(UT)__HR:MN delta deldot *************************************************** $$SOE 2078-Apr-01 00:00 41.1171290610706 -0.0007445 2078-Apr-02 00:00 41.1171286371217 -0.0007236 2078-Apr-03 00:00 41.1171282252278 -0.0007027 2078-Apr-04 00:00 41.1171278253905 -0.0006819 2078-Apr-05 00:00 41.1171274376130 -0.0006610 2078-Apr-06 00:00 41.1171270618996 -0.0006401 2078-Apr-07 00:00 41.1171266982562 -0.0006192 2078-Apr-08 00:00 41.1171263466900 -0.0005983 2078-Apr-09 00:00 41.1171260072093 -0.0005773 2078-Apr-10 00:00 41.1171256798241 -0.0005564 2078-Apr-11 00:00 41.1171253645453 -0.0005354 2078-Apr-12 00:00 41.1171250613852 -0.0005144 2078-Apr-13 00:00 41.1171247703575 -0.0004934 2078-Apr-14 00:00 41.1171244914768 -0.0004723 2078-Apr-15 00:00 41.1171242247593 -0.0004513 2078-Apr-16 00:00 41.1171239702222 -0.0004302 2078-Apr-17 00:00 41.1171237278839 -0.0004090 2078-Apr-18 00:00 41.1171234977642 -0.0003879 2078-Apr-19 00:00 41.1171232798841 -0.0003666 2078-Apr-20 00:00 41.1171230742658 -0.0003454 2078-Apr-21 00:00 41.1171228809326 -0.0003241 2078-Apr-22 00:00 41.1171226999094 -0.0003028 2078-Apr-23 00:00 41.1171225312222 -0.0002814 2078-Apr-24 00:00 41.1171223748983 -0.0002599 2078-Apr-25 00:00 41.1171222309665 -0.0002385 2078-Apr-26 00:00 41.1171220994567 -0.0002169 2078-Apr-27 00:00 41.1171219804006 -0.0001953 2078-Apr-28 00:00 41.1171218738311 -0.0001737 2078-Apr-29 00:00 41.1171217797827 -0.0001520 2078-Apr-30 00:00 41.1171216982914 -0.0001302 2078-May-01 00:00 41.1171216293950 -0.0001084 2078-May-02 00:00 41.1171215731329 -0.0000865 2078-May-03 00:00 41.1171215295463 -0.0000645 2078-May-04 00:00 41.1171214986782 -0.0000424 2078-May-05 00:00 41.1171214805737 -0.0000203 2078-May-06 00:00 41.1171214752798 0.0000020 2078-May-07 00:00 41.1171214828457 0.0000243 2078-May-08 00:00 41.1171215033226 0.0000467 2078-May-09 00:00 41.1171215367643 0.0000692 2078-May-10 00:00 41.1171215832267 0.0000918 2078-May-11 00:00 41.1171216427678 0.0001145 2078-May-12 00:00 41.1171217154484 0.0001373 2078-May-13 00:00 41.1171218013310 0.0001602 2078-May-14 00:00 41.1171219004806 0.0001832 2078-May-15 00:00 41.1171220129636 0.0002063 2078-May-16 00:00 41.1171221388482 0.0002296 2078-May-17 00:00 41.1171222782034 0.0002530 2078-May-18 00:00 41.1171224310987 0.0002765 2078-May-19 00:00 41.1171225976030 0.0003001 2078-May-20 00:00 41.1171227777841 0.0003239 2078-May-21 00:00 41.1171229717074 0.0003477 2078-May-22 00:00 41.1171231794347 0.0003717 2078-May-23 00:00 41.1171234010234 0.0003957 2078-May-24 00:00 41.1171236365252 0.0004198 2078-May-25 00:00 41.1171238859851 0.0004440 2078-May-26 00:00 41.1171241494409 0.0004683 2078-May-27 00:00 41.1171244269227 0.0004926 2078-May-28 00:00 41.1171247184528 0.0005169 2078-May-29 00:00 41.1171250240464 0.0005413 2078-May-30 00:00 41.1171253437117 0.0005657 2078-May-31 00:00 41.1171256774518 0.0005900 2078-Jun-01 00:00 41.1171260252648 0.0006144 $$EOE ******************************************************************************* Column meaning: TIME Times PRIOR to 1962 are UT1, a mean-solar time closely related to the prior but now-deprecated GMT. Times AFTER 1962 are in UTC, the current civil or "wall-clock" time-scale. UTC is kept within 0.9 seconds of UT1 using integer leap-seconds for 1972 and later years. Conversion from the internal Barycentric Dynamical Time (TDB) of solar system dynamics to the non-uniform civil UT time-scale requested for output has not been determined for UTC times after the next July or January 1st. Therefore, the last known leap-second is used as a constant over future intervals. Time tags refer to the UT time-scale conversion from TDB on Earth regardless of observer location within the solar system, although clock rates may differ due to the local gravity field and no analog to "UT" may be defined for that location. Any 'b' symbol in the 1st-column denotes a B.C. date. First-column blank (" ") denotes an A.D. date. 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. NOTE: "n.a." in output means quantity "not available" at the print-time. 'delta deldot' = Apparent range ("delta", light-time aberrated) and range-rate ("delta-dot") of the target center relative to the observer. A positive "deldot" means the target center is moving away from the observer, negative indicates movement toward the observer. Units: AU and KM/S 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 *******************************************************************************