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JPL Small-Body Database Browser
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59955 (1999 RX226)
Classification: Main-belt Asteroid          SPK-ID: 2059955
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05709320156815952 5.8396e-08  
a 3.010282074128661 2.8408e-08 au
q 2.838415432893416 1.7568e-07 au
i 9.852670715560899 5.759e-06 deg
node 280.6958505439412 3.7983e-05 deg
peri 209.7638586189119 6.9582e-05 deg
M 208.458692568925 5.9527e-05 deg
tp 2459803.541047034559
(2022-Aug-12.04104703)
0.00031904 TDB
period 1907.696203980088
5.22
2.7004e-05
7.393e-08
d
yr
n .1887092919978141 2.6712e-09 deg/d
Q 3.182148715363906 3.003e-08 au
  Orbit Determination Parameters
   # obs. used (total)      626  
   data-arc span      9961 days (27.27 yr)  
   first obs. used      1991-01-15  
   last obs. used      2018-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57251  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 01:33:59  

Additional Information
 Earth MOID = 1.85835 au 
 Jupiter MOID = 1.93147 au 
 T_jup = 3.225 
[ 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 14.3   n/a MPO432154  
diameter diameter 5.052 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59955 (1999 RX226)          Discovered 1999-Sep-05 by CSS at Catalina
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
1925-Aug-26 05:26 00:04 Jupiter 1.99165747238711 1.99165654616076 1.99165839861867 4.18827945888438 4.08547602564119 2424388.726314605 3.53425516925218 213.490727614258 24.8533517794681 80.8741568489398 2348927.68049807 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54
1963-Mar-05 15:20 00:02 Jupiter 1.99139150832811 1.9913906376595 1.99139237899886 3.03462781386645 2.89106933495554 2438094.139068606 2.29797637150421 209.316294795129 30.856878462917 83.8465625013448 2185405.26359462 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54
2009-Oct-20 22:04 < 00:01 Jupiter 1.93967770606408 1.93967703484627 1.93967837728189 3.44477142504222 3.31558230022292 2455125.419299302 0.359565889140641 160.437334845285 29.1453423897032 86.8192644695015 2399443.78173517 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54
2056-Jun-25 02:16 00:02 Jupiter 1.96430566172574 1.96430501170404 1.96430631174777 3.99247052146851 3.88296364874505 2472174.594190207 1.78288323825043 131.018963265995 26.2748368200451 84.9653437010907 2228129.8361709 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54
2140-Sep-03 11:06 00:06 Jupiter 1.95886521893095 1.95886442798919 1.95886600988752 3.11281552510747 2.97065836223475 2502924.962588440 5.71616332806071 551.259485962648 29.5781278772346 85.5134911752491 2199629.53532907 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54
2187-Apr-29 20:29 00:07 Jupiter 1.94794152481336 1.94794072616695 1.94794232345967 3.7005994075905 3.58116976655229 2519964.353247564 7.30622714002996 146.17501013753 27.4884027700931 88.6760553341857 954810.269473605 T 20 CATAB v2.0e-lin.ifort 2018-Oct-04 01:34:03 2018-Dec-17 16:54

Alternate Designations
 1999 RX226 = 2000 WZ111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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