Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
86167 (1999 RM209)
Classification: Main-belt Asteroid          SPK-ID: 2086167
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 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 
[ 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 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-15 18:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin