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JPL Small-Body Database Browser
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18860 (1999 RL133)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018860
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08636026959808989 3.9834e-08  
a 3.235268221072555 1.9361e-08 au
q 2.955869585278597 1.3129e-07 au
i 12.67847378482753 4.4853e-06 deg
node 197.9378761589963 1.8006e-05 deg
peri 332.6565009571626 3.0188e-05 deg
M 8.70866316775354 2.2995e-05 deg
tp 2458949.082275001969
(2020-Apr-09.58227500)
0.0001358 TDB
period 2125.513484989474
5.82
1.908e-05
5.224e-08
d
yr
n .1693708379374421 1.5204e-09 deg/d
Q 3.514666856866514 2.1033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1793  
   data-arc span      10553 days (28.89 yr)  
   first obs. used      1991-03-11  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50593  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:36:13  

Additional Information
 Earth MOID = 1.96604 au 
 Jupiter MOID = 1.475 au 
 T_jup = 3.141 
[ 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 12.8   n/a MPO340833  

18860 (1999 RL133)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20001111/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
2012-Oct-30 03:03 < 00:01 Jupiter 1.91212277268659 1.91212225413393 1.91212329123924 3.68586927103325 3.56366136940078 2456230.627145108 0.259520505456833 65.8620728297847 24.0504873682409 86.2099512045448 3809086.0178358 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2024-Mar-22 10:07 < 00:01 Jupiter 1.72993501897942 1.72993447767553 1.72993556028342 3.71968706679213 3.58564057199794 2460391.921462162 0.394830898188563 67.0004994756215 24.9938220745875 84.8934030429911 3525073.17430985 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2035-Sep-22 01:08 < 00:01 Jupiter 1.60425945319915 1.60425887830815 1.6042600280905 3.7518435227375 3.6083739863807 2464592.547054935 0.685002386908279 83.9633526430748 23.7003638183636 80.0184838032432 3378479.26054305 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2047-Apr-23 15:30 00:01 Jupiter 1.53210971433713 1.53210917785772 1.53211025081785 3.76056504949295 3.61056161234621 2468824.146059702 1.04358976547215 125.176617652878 20.540962919161 82.901618659524 3255021.50480364 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2058-Dec-14 20:36 00:02 Jupiter 1.50137025523883 1.50136981627091 1.50137069420819 3.75594598550964 3.60260983558333 2473077.358112447 1.5280203214538 184.452117203054 18.8589476652821 87.438644339023 3194430.85725075 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2070-Aug-14 21:26 00:02 Jupiter 1.49721606166073 1.49721564597775 1.49721647734609 3.74517410745554 3.59094218713733 2477338.393339838 2.22064753185839 264.030051873694 18.154143710963 -88.0998687601106 3181154.82739259 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2082-Apr-08 22:57 00:03 Jupiter 1.52364171753314 1.52364079713462 1.5236426379586 3.73071592867832 3.5786033378317 2481593.456011624 3.21305461477984 361.642154357047 18.175315573142 -83.0156649653669 3216633.5500043 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2093-Nov-12 15:10 00:05 Jupiter 1.58778517614256 1.58778305688897 1.58778729544227 3.69954760771652 3.55242581649989 2485829.131616338 4.59509728928709 455.846700922138 19.5010263563179 -76.2694670415626 3317555.31385475 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2105-May-17 01:56 00:06 Jupiter 1.70981424079737 1.7098103582222 1.70981812341715 3.63752255260461 3.49868447882056 2490031.580869012 6.39293406981618 487.737430687153 23.8723798987109 -65.7595212672504 3561814.67810942 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36
2116-Oct-08 15:35 00:08 Jupiter 1.88551194952617 1.88550649044777 1.88551740862612 3.56370152132221 3.43533330489475 2494194.149469825 8.39521548263058 424.983792650117 31.5827958870714 -48.9374363563159 4147228.00039663 T 33 CATAB v2.0f-lin.ifort 2020-Feb-22 22:36:25 2020-Feb-22 22:36

Alternate Designations
 1999 RL133 = 1991 EC9 = 1998 MO11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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