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86167 (1999 RM209)
Classification: Main-belt Asteroid          SPK-ID: 2086167
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878135744726014 4.0931e-08  
a 3.085635174025148 1.8155e-08 au
q 2.506111002473097 1.3021e-07 au
i 9.801431188221153 5.0054e-06 deg
node 276.107569812179 3.411e-05 deg
peri 164.443310410238 3.9889e-05 deg
M 247.6560464508502 1.9592e-05 deg
tp 2459618.320755457085
(2022-Feb-07.82075546)
0.000109 TDB
period 1979.772519464033
5.42
1.7472e-05
4.784e-08
d
yr
n .1818390731564754 1.6048e-09 deg/d
Q 3.665159345577198 2.1565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      8168 days (22.36 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:17:49  

Additional Information
 Earth MOID = 1.52359 au 
 Jupiter MOID = 1.58873 au 
 T_jup = 3.177 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457428.5 (2016-Feb-10.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .187197344130943 3.7634e-08  
q 2.508179868464562 1.1771e-07 au
tp 2457620.606131827203
(2016-Aug-20.10613183)
0.00010468 TDB
node 276.3884189973371 3.4408e-05 deg
peri 161.843046657892 4.0052e-05 deg
i 9.746705254155072 4.9533e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1064  
   data-arc span      8168 days (22.36 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47928  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:17:49  

Additional Information
 Jupiter MOID = 1.58873 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.416304974228155E-15 -4.395255562282953E-15 1.641563991909688E-12 5.554744830197448E-16 3.709349620185879E-13 1.20448531373222E-15
q -4.395255562282953E-15 1.385470411206081E-14 -4.467370220229325E-12 3.186496471149932E-16 -1.044379429947448E-12 -2.143369334010803E-15
tp 1.641563991909688E-12 -4.467370220229325E-12 1.095892324734173E-8 -2.475753083775606E-11 2.193428960778158E-9 4.896851684399718E-12
node 5.554744830197448E-16 3.186496471149932E-16 -2.475753083775606E-11 1.18392126380791E-9 -1.17280600794288E-9 9.194108275484018E-11
peri 3.709349620185879E-13 -1.044379429947448E-12 2.193428960778158E-9 -1.17280600794288E-9 1.604162360264704E-9 -8.991330219320483E-11
i 1.20448531373222E-15 -2.143369334010803E-15 4.896851684399718E-12 9.194108275484018E-11 -8.991330219320483E-11 2.45351284781609E-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 13.7   n/a MPO439618  
diameter diameter 6.409 km 0.164 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.156   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86167 (1999 RM209)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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
1900-Apr-25 23:09 00:03 Jupiter 1.78723759186616 1.78723579884073 1.78723938490494 2.58074077047159 2.39005570586769 2415135.464800018 2.93405546518121 276.426944795055 20.4082030755315 69.3074605298801 2777927.5767092 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
1950-Jan-29 20:58 00:02 Jupiter 1.81952527500963 1.81952388682499 1.81952666321707 2.94233812876086 2.77962530583661 2433311.373613403 1.81917995574457 403.263396868914 27.3498559719103 81.6936316057938 1634465.51850576 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
1959-Nov-15 16:04 00:01 Jupiter 1.72138123984707 1.72138036057768 1.72138211912233 2.69921074127208 2.51030257487538 2436888.169753623 1.4548765555743 185.646080257117 14.6221326374817 76.2793912679308 2650797.61363624 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2009-Aug-23 16:16 < 00:01 Jupiter 1.88711180777471 1.88711098791563 1.88711262763754 2.928277537495 2.77076116103287 2455067.177583055 0.388826428598323 249.088970235632 22.5248829972647 83.9961367326388 1704940.13274943 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2019-May-31 12:10 < 00:01 Jupiter 1.66736301129869 1.66736263371988 1.66736338887815 2.78453625820291 2.59569637034436 2458635.006719182 0.366418770857283 99.3189922153801 11.5021444400322 82.296782989605 2523604.20415021 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2069-Mar-12 19:08 00:02 Jupiter 1.95007143878751 1.95007037167746 1.95007250590344 2.95005346426067 2.79894734240258 2476818.296995401 1.51011224394022 253.573037506353 24.7358947954586 82.0176625716412 1640660.81312036 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2078-Dec-06 06:53 00:02 Jupiter 1.62757726055999 1.62757664390204 1.62757787722656 2.83649193884141 2.64666734696084 2480373.786739857 1.60026075578947 229.807146258428 12.729602841501 82.6699738346682 2392700.40987029 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2138-Jun-05 21:22 00:03 Jupiter 1.60102490455822 1.60102412993833 1.60102567920987 2.8597907467839 2.66838954297479 2502104.390488334 3.0417929495828 416.05250930412 15.3450429889169 84.9427967731051 2259654.67570258 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17
2197-Nov-26 17:55 00:05 Jupiter 1.58518595449545 1.58518524640604 1.58518666264028 2.85947405222437 2.66606809860047 2523828.246755849 4.60598580440455 592.542619058741 19.9696482488871 87.2357793381784 2131553.51035421 T 21 CATAB v2.0f-lin.ifort 2020-Dec-18 04:17:52 2020-Dec-18 04:17

Alternate Designations
 1999 RM209 = 1998 MC40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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