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59945 (1999 RH202)
Classification: Outer Main-belt Asteroid          SPK-ID: 2059945
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08766323201425462 3.652e-08  
a 3.240185747342001 2.7244e-08 au
q 2.956140592403478 1.2303e-07 au
i 9.999429360337016 5.2008e-06 deg
node 296.461548818747 2.877e-05 deg
peri 327.8567456956528 4.4384e-05 deg
M 285.1021276095125 3.3366e-05 deg
tp 2459443.720937553677
(2021-Aug-17.22093755)
0.0001974 TDB
period 2130.361416509194
5.83
2.6869e-05
7.356e-08
d
yr
n .1689854112124765 2.1313e-09 deg/d
Q 3.524230902280523 2.9632e-08 au
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:51:06  

Additional Information
 Earth MOID = 1.94579 au 
 Jupiter MOID = 1.64551 au 
 T_jup = 3.154 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457100.5 (2015-Mar-19.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08655237016921981 3.6403e-08  
q 2.959878809204538 1.2247e-07 au
tp 2457307.562778663906
(2015-Oct-12.06277866)
0.00020196 TDB
node 296.4917834635729 2.8774e-05 deg
peri 327.1349374833334 4.4754e-05 deg
i 9.997958722087112 5.1999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      914  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53798  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:51:06  

Additional Information
 Jupiter MOID = 1.64551 au 
 T_jup = 3.154 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.325159441772754E-15 -4.367153817332561E-15 1.377134651184341E-12 -2.90848249971611E-15 2.467122874902557E-13 -8.559827364905872E-16
q -4.367153817332561E-15 1.499835369115287E-14 -5.085744655807022E-12 2.685157436574E-14 -9.393224777765035E-13 5.738816038774387E-15
tp 1.377134651184341E-12 -5.085744655807022E-12 4.078936519640456E-8 -1.065840046383147E-11 6.966772740049776E-9 -4.649565509972772E-12
node -2.90848249971611E-15 2.685157436574E-14 -1.065840046383147E-11 8.279312168769313E-10 -8.162781842319287E-10 5.718218271760016E-11
peri 2.467122874902557E-13 -9.393224777765035E-13 6.966772740049776E-9 -8.162781842319287E-10 2.002964433782296E-9 -5.709234294230479E-11
i -8.559827364905872E-16 5.738816038774387E-15 -4.649565509972772E-12 5.718218271760016E-11 -5.709234294230479E-11 2.703867715584011E-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 13.9   n/a MPO502547  

59945 (1999 RH202)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ 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
1954-Dec-22 03:43 00:03 Jupiter 1.89843703413007 1.89843532085004 1.89843874741139 4.03830929059714 3.92627116103646 2435098.654959100 3.03835585643888 135.558833588568 50.6319385555137 60.8745528575061 2103593.29668005 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
1966-May-18 06:21 00:02 Jupiter 1.77325358060989 1.77325250897082 1.77325465225219 3.64742040224661 3.51402106917575 2439263.764921323 2.41457916816318 168.417248216509 30.2226287641199 77.977176846445 2539511.48633125 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
1977-Oct-30 06:10 00:02 Jupiter 1.69365325598477 1.69365262984132 1.69365388212908 3.26872003800082 3.1119606949588 2443446.757223447 1.8064160803867 154.125482217497 22.618851714459 87.7787924257086 2458122.40207953 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
1989-Apr-24 04:50 00:01 Jupiter 1.65422050137352 1.65421997214756 1.65422103059958 2.88714805316246 2.70398768148352 2447640.701212152 1.24943831807372 116.777106916855 19.1265047813722 -82.662927599124 2311789.58044 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2000-Oct-20 06:00 < 00:01 Jupiter 1.65484668836249 1.65484608766593 1.65484728905932 2.51308626948983 2.30041639797953 2451837.749916600 0.745129304354671 82.153220251867 21.5418854988582 -71.4764727805022 2244350.12944006 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2012-Apr-06 14:23 < 00:01 Jupiter 1.68622203237065 1.68622136417002 1.68622270057148 2.16227964828314 1.91593682372798 2456024.099547635 0.377769004842458 63.0840531905186 33.2011687071296 -60.613849405126 2301221.84134647 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2023-Aug-28 14:04 < 00:01 Jupiter 1.74683187851021 1.74683116798696 1.74683258903337 2.02562789050503 1.77013755672648 2460185.086416227 0.607884165547688 50.8721937098323 23.983599123787 -57.1861765324134 2250735.65169912 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2034-Dec-22 04:59 00:01 Jupiter 1.82742766334118 1.82742693760209 1.8274283890811 2.50379347003688 2.3112704346032 2464318.707477368 1.07701899246091 97.6837592142556 19.4698445610466 -86.8134116992355 2204194.2869522 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2046-Mar-29 21:22 00:01 Jupiter 1.92509694321426 1.92509619324674 1.92509769318266 3.51231792411459 3.38473014032913 2468434.390243298 1.45057254789523 136.33690758191 24.6575017736904 -85.8121200991036 1994659.69592147 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51
2192-Sep-09 20:49 00:04 Jupiter 1.92021802354091 1.92021586684381 1.92022018023823 3.86517931137395 3.7493194272308 2521924.367349080 3.50052330290604 128.494325339736 81.9131244990243 -51.8529209724439 1429974.75642668 T 26 CATAB v2.0f-lin.ifort 2020-May-20 11:51:18 2020-May-20 11:51

Alternate Designations
 1999 RH202 = 2000 XA6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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