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12904 (1998 RB65)
Classification: Outer Main-belt Asteroid          SPK-ID: 2012904
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1335828942936878 3.5887e-08  
a 3.2106563120282 1.693e-08 au
q 2.781767549285175 1.1631e-07 au
i .08198869145411601 3.9438e-06 deg
node 91.1911465277918 0.003124 deg
peri 147.4340908458606 0.0031241 deg
M 29.46949716657871 1.6779e-05 deg
tp 2458828.487748853923
(2019-Dec-10.98774885)
9.777e-05 TDB
period 2101.305294167561
5.75
1.6621e-05
4.551e-08
d
yr
n .1713220829925217 1.3551e-09 deg/d
Q 3.639545074771225 1.9192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1921  
   data-arc span      11100 days (30.39 yr)  
   first obs. used      1990-03-17  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50221  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 00:38:14  

Additional Information
 Earth MOID = 1.76963 au 
 Jupiter MOID = 1.36804 au 
 T_jup = 3.178 
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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 13.3   n/a MPO473941  

12904 (1998 RB65)          Discovered 1998-Sep-14 by LINEAR at Socorro
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

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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
1930-May-06 21:56 00:05 Jupiter 1.77090390084493 1.77090124947574 1.770906552211 2.55478688685945 2.36015613112993 2426103.413555115 4.68457396864999 72.2881257388493 42.8942991350768 16.5271283800388 593178.346577307 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1941-Aug-10 23:18 00:04 Jupiter 1.58415287773431 1.58415110931859 1.5841546461467 1.90764440076907 1.60304007907939 2430217.470856984 3.73869137446409 71.7926594650551 26.7220719987355 -72.0001348101273 948981.541363726 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1952-Dec-21 15:42 00:03 Jupiter 1.47103695609802 1.47103607393183 1.47103783826254 1.56540723862188 1.13969319944997 2434368.154245654 2.71109841357768 120.761573330418 83.2638379806188 -20.4226388885137 1385132.22481481 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1964-May-28 20:17 00:02 Jupiter 1.42788606431409 1.42788567149345 1.42788645713408 1.45385393251348 0.962959268767943 2438544.345099610 1.86512761101392 145.816643493088 113.479727159701 34.0252114909319 2277977.82377532 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1975-Nov-06 19:29 00:01 Jupiter 1.4444844106426 1.44448403127259 1.4444847900126 1.52257060924183 1.07025852149327 2442723.312044575 1.2607123446541 140.139750649172 83.1564152906218 54.6428735362594 2396216.0211083 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1987-Mar-23 04:54 < 00:01 Jupiter 1.53157464695296 1.5315741956261 1.53157509827992 1.83030122442549 1.49797261470042 2446877.704134603 0.825316442757719 79.2228853411373 27.5339618748813 78.8383991507175 2519724.88060636 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
1998-Jun-30 23:32 < 00:01 Jupiter 1.69449406369164 1.69449361998532 1.69449450739785 2.46342588355073 2.25138448038598 2450995.480482124 0.477297163770458 46.318882445696 5.86749402076303 -84.7297472835576 2787790.4383561 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2009-Sep-06 01:50 < 00:01 Jupiter 1.91480014378885 1.91479973383825 1.91480055373945 3.41273163054475 3.28055270267865 2455080.576588935 0.232573656850325 38.4201345256891 15.2718371573763 -85.8845266503986 3604511.21099947 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2132-Jul-30 17:19 00:02 Jupiter 1.80339029513672 1.80338886493515 1.80339172533736 2.54252525752237 2.35054628785647 2499968.221644310 2.32108286460805 49.8638008926528 33.2453914478807 -64.1126105108448 1096634.26592984 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2143-Nov-09 10:48 00:02 Jupiter 1.62217603405434 1.62217477131545 1.62217729679156 1.95026748801472 1.66109578491348 2504086.949708781 2.44401633635289 53.4244525296176 19.2839395453041 -84.8939449717468 1074328.81892629 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2155-Mar-21 13:55 00:03 Jupiter 1.50373288878256 1.50373199318331 1.50373378438035 1.61731093009046 1.22030112615151 2508237.079717481 2.59514270281631 103.57508867246 65.653796559609 -29.973546390548 1417623.63595004 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2166-Aug-23 00:03 00:03 Jupiter 1.45011359055157 1.45011315025209 1.45011403085055 1.4941618616536 1.03165123296817 2512409.501815944 2.98359627454237 115.594594825996 102.916347844984 -6.36992417496612 2123855.54194116 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2178-Jan-28 10:15 00:04 Jupiter 1.45791261113386 1.45791196857661 1.45791325369214 1.55201824778559 1.11659954368916 2516585.927373149 3.79133689365664 188.239231045431 72.9931778259981 51.7139678499191 2111677.6886542 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2189-Jun-14 04:27 00:05 Jupiter 1.52935133272209 1.52934956910312 1.52935309635062 1.83275464133916 1.50043359687827 2520740.685381280 5.03794384309051 287.188191954773 27.5857073024606 72.5766754249846 2228757.3540108 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38
2200-Sep-21 16:36 00:06 Jupiter 1.68195751964861 1.68195437360257 1.68196066571148 2.46123159735093 2.24732605598823 2524857.191537847 6.39393736586005 334.813625539342 5.93049033700465 -80.7319636998194 2456965.74756497 T 21 CATAB v2.0f-lin.ifort 2020-Aug-25 00:38:28 2020-Aug-25 00:38

Alternate Designations
 1998 RB65 = 1990 FN2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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