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101988 (1999 RG64)
Classification: Main-belt Asteroid          SPK-ID: 2101988
[ 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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1968959290334761 4.7225e-08  
a 3.124939300089816 2.2074e-08 au
q 2.509651473425411 1.5115e-07 au
i 6.068917162475973 4.0224e-06 deg
node 124.1550634349174 5.265e-05 deg
peri 251.0610434898006 5.3645e-05 deg
M 285.0686396851423 1.3803e-05 deg
tp 2459620.473533081931
(2022-Feb-09.97353308)		 8.0176e-05 TDB
period 2017.719567270642
5.52		 2.1379e-05
5.853e-08		 d
yr
n .1784192441008886 1.8905e-09 deg/d
Q 3.740227126754221 2.642e-08 au
   Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      7650 days (20.94 yr)  
   first obs. used      1999-08-08  
   last obs. used      2020-07-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:20  

Additional Information
 Earth MOID = 1.51737 au 
 Jupiter MOID = 1.7585 au 
 T_jup = 3.176 
[ 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 14.84   n/a E2021B55  
diameter diameter 5.205 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.094   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101988 (1999 RG64)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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
1959-Feb-19 08:17 00:02 Jupiter 1.88004859891232 1.88004778807058 1.88004940975341 2.03886707051751 1.80441526301994 2436618.845284335 2.0583462763012 85.1538919297718 22.9344630330838 83.1992724954358 1321059.81959645 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
1969-May-27 00:02 00:02 Jupiter 1.77703549951437 1.7770350257133 1.77703597331503 1.72153804202616 1.41788394015191 2440368.501182151 1.60271997896347 136.943803120749 43.5071866687573 -66.3888850490227 1965367.91004216 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
1979-Sep-13 13:40 00:01 Jupiter 1.95395223059931 1.9539516422536 1.95395281894502 2.84625245325956 2.68964108676792 2444130.069173126 1.16006094731074 71.2499689347302 15.8245814407822 85.2043284098137 2367919.68063377 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2042-Mar-13 10:16 < 00:01 Jupiter 1.86561123769344 1.86561075066753 1.86561172471903 1.9937178784258 1.75124910924819 2466956.927989887 0.984785534782815 81.150449935745 23.249186728463 85.4788021331311 1987140.49823191 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2052-Jun-17 14:09 00:01 Jupiter 1.78144396442379 1.78144348890302 1.78144443994415 1.71122587165088 1.40618445056532 2470706.089357848 1.39458290122029 123.483062915814 44.4281595673666 -67.8766292532279 2010123.35642211 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2062-Oct-03 23:40 00:02 Jupiter 1.97451380441003 1.97451316639028 1.97451444243024 2.92192876812813 2.77122936600734 2474466.486423891 1.77104601670187 92.0181822987022 16.2312957663167 83.5884927576913 2622440.13758885 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2125-Apr-05 11:55 00:04 Jupiter 1.85067746743948 1.8506765905619 1.85067834431631 1.95466500248375 1.70450886186344 2497294.996561741 3.99313602059316 119.462580179724 42.8392285453115 65.9068628237879 1081868.35952072 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2135-Jul-12 03:08 00:04 Jupiter 1.79257278977877 1.79257214932415 1.79257343023837 1.71843703757869 1.41703574102682 2501044.630425122 4.37778105192762 310.278931721488 41.7462319147907 -72.6518400781643 2058166.12210604 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57
2145-Oct-27 19:39 00:05 Jupiter 1.99567296450395 1.99567139850537 1.99567453050854 2.98973740669486 2.84423464636594 2504805.318821675 4.66516521945984 208.74148898666 18.4592243870652 78.8460643099627 2343274.3741783 T 20 CATAB v2.0f-lin.ifort 2020-Nov-12 19:57:21 2020-Nov-12 19:57

Alternate Designations
 1999 RG64 = 2000 YZ85 
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