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487785 (2015 RO229)
Classification: Main-belt Asteroid          SPK-ID: 2487785
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1861441222922854 3.9804e-07  
a 3.063734056009965 7.3188e-08 au
q 2.493437969217007 1.2473e-06 au
i 2.30695943584035 8.2466e-06 deg
node 77.91998800207995 0.00027852 deg
peri 328.573523492191 0.0003611 deg
M 292.7862724744491 0.0002064 deg
tp 2459366.204667609234
(2021-May-31.70466761)
0.0011292 TDB
period 1958.732020765803
5.36
7.0187e-05
1.922e-07
d
yr
n .1837923698512119 6.5858e-09 deg/d
Q 3.634030142802923 8.6812e-08 au
  Orbit Determination Parameters
   # obs. used (total)      59  
   data-arc span      4056 days (11.10 yr)  
   first obs. used      2005-12-28  
   last obs. used      2017-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69585  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 00:13:30  

Additional Information
 Earth MOID = 1.50352 au 
 Jupiter MOID = 1.76157 au 
 T_jup = 3.205 
[ 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 17.7   n/a MPO399135  

487785 (2015 RO229)          Discovered 2005-Dec-28 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ 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
1912-Feb-02 08:01 09:49 Jupiter 1.75859359096232 1.758592238064 1.75859494730972 1.59520718278253 1.25753354004949 2419434.833878203 589.443059474685 5227.926885574 141.472473416383 78.7846634769663 1040552.00525154 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
1960-Dec-01 15:42 03:00 Jupiter 1.91113593444646 1.91112539624014 1.91114647272177 2.53552485257584 2.35424698781625 2437270.153913010 180.164205495557 834.847047147171 103.429049524429 -36.7040955834122 462050.219923573 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
1970-Jun-03 20:42 05:16 Jupiter 1.81046329565444 1.81045534444632 1.81047125124603 1.65085089954447 1.33776369966137 2440741.362651628 315.812325306006 5374.17390033564 241.056787578441 -88.4718396000947 377996.194090905 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2019-Mar-31 09:18 02:32 Jupiter 1.76851089141146 1.76850825922793 1.76851352374649 1.69787235049023 1.38739938380865 2458573.887794900 152.361622635993 978.118195435793 83.3738926609325 71.030503935341 1259506.24248102 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2028-Oct-05 09:50 01:02 Jupiter 1.99616878280057 1.99615928352702 1.99617828229856 2.3360137365703 2.14669792561931 2462049.909925582 62.2899241184219 1319.53808534549 42.4628142499289 -78.8699109938951 324074.09838428 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2068-Jan-27 07:41 01:06 Jupiter 1.9606366541559 1.96062873794071 1.96064457036229 2.8896582542231 2.73607324340022 2476407.819833587 65.5590166443394 569.511085110278 213.891284977982 -63.3815646479622 193313.53078516 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2077-Jul-29 14:59 03:26 Jupiter 1.77790676320074 1.77790238022025 1.77791114613939 1.57489129841426 1.23590104924978 2479879.124098622 206.02089884087 3267.35458132355 579.849078550314 -82.1334542882124 220894.015596166 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2126-May-27 18:24 04:52 Jupiter 1.78975529877516 1.78975191623756 1.78975868132965 1.85499629282638 1.57939481444872 2497712.266743459 292.455831515528 1083.9681150377 112.28818295431 44.9547944352494 341321.491157938 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2135-Nov-30 01:47 04:24 Jupiter 1.94026386139846 1.94025669322122 1.94027102983567 2.10392236284071 1.8850434933111 2501185.574156147 264.256773815923 6571.16093212936 25.1829505894783 -82.9089942281324 174937.085820974 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51
2184-Sep-23 01:03 11:22 Jupiter 1.75356396746412 1.75356145681684 1.75356647856016 1.5390972308785 1.18438253217577 2519015.543884464 682.472223137936 7992.27916549192 458.375852689494 -86.0711627945344 346059.256670025 T 11 CATAB v2.0e-lin.ifort 2017-Nov-27 12:27:27 2018-Dec-18 03:51

Alternate Designations
 2015 RO229 = 2006 AJ26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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