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86180 (1999 RG221)
Classification: Main-belt Asteroid          SPK-ID: 2086180
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2412722718272214 5.0634e-08  
a 3.110895978686679 2.9109e-08 au
q 2.360323038490777 1.6476e-07 au
i 6.841458309654535 4.7635e-06 deg
node 116.5525280593694 3.9865e-05 deg
peri 257.0584929690799 4.1314e-05 deg
M 274.7043595915534 1.5033e-05 deg
tp 2459475.344043649715
(2021-Sep-17.84404365)
8.8407e-05 TDB
period 2004.133562926732
5.49
2.813e-05
7.702e-08
d
yr
n .1796287466361647 2.5212e-09 deg/d
Q 3.861468918882581 3.6133e-08 au
  Orbit Determination Parameters
   # obs. used (total)      482  
   data-arc span      9427 days (25.81 yr)  
   first obs. used      1993-07-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:45:35  

Additional Information
 Earth MOID = 1.37245 au 
 Jupiter MOID = 1.65768 au 
 T_jup = 3.163 
[ 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 14.8   n/a MPO439618  
diameter diameter 6.591 km 0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

86180 (1999 RG221)          Discovered 1999-Sep-05 by LONEOS at Anderson Mesa
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
1959-Jun-13 12:54 00:03 Jupiter 1.89805171080464 1.8980502865267 1.89805313508043 2.07206694640564 1.8441647379367 2436733.037691387 2.72702298200843 98.3026361384163 39.4835913861743 -79.6685572927239 724833.784687498 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
1969-Jun-24 07:22 00:02 Jupiter 1.66207565546571 1.66207510557754 1.66207620539695 1.04921023709694 0.285670285736844 2440396.806692015 2.12812638663268 12669.5711972527 822.160681682982 4.60536451441512 1415158.27411216 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
1979-Jul-21 19:15 00:02 Jupiter 1.9451289010073 1.94512794542214 1.94512985659235 2.70870923888937 2.54287025815211 2444076.302380300 1.52680279610926 71.8466912171992 21.8802201955392 82.2923690819652 1506379.10047997 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2031-Feb-19 18:28 < 00:01 Jupiter 1.99147936773533 1.99147886504341 1.99147987042715 2.75378943799804 2.5947465637028 2462917.269160996 0.749564846520774 68.373219872737 16.4599685694723 89.0436045107133 2298384.67909423 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2041-Mar-05 02:25 00:01 Jupiter 1.67261406243957 1.67261352528019 1.67261459959921 0.919433091995545 n/a 2466583.600927161 1.33527040258587 82.3149015292175 24.2226719827749 81.6425253485669 10226860.1344971 F 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2051-Mar-26 10:44 00:02 Jupiter 1.8463218788032 1.84632102738353 1.84632273022267 2.14376276078051 1.91786197625883 2470256.947324430 1.87117399453798 101.032733538161 23.9929726215725 -82.8143292996375 1468733.88115667 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2112-Nov-17 14:00 00:05 Jupiter 1.71299186184706 1.71299069043578 1.71299303324481 1.12676549598579 0.52977462055542 2492773.083379153 4.81572209937041 4084.85442608239 359.662506856986 4.15884814487159 542852.516550799 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2122-Dec-03 19:06 00:05 Jupiter 1.76977143204868 1.76976967505067 1.7697731890475 1.63483371749484 1.30975955291237 2496441.295631703 5.31101970839662 398.436648346453 78.4481069460358 -42.3722028396352 1037354.29322973 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2184-Aug-01 11:16 00:08 Jupiter 1.77669757778883 1.7766949441497 1.7767002114116 1.58298189712831 1.24593419175602 2518962.969573182 8.23533644276216 665.457115365085 131.883757729463 -21.7751398659884 475414.364419569 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
2194-Aug-17 04:07 00:09 Jupiter 1.70990868955155 1.70990672184065 1.70991065727605 1.18700987860903 0.646737922390124 2522630.671793567 8.76272164863731 3902.77539753334 272.430801387565 -11.6408260838591 738894.313916213 T 18 CATAB v2.0f-lin.ifort 2020-Feb-23 20:45:51 2020-Feb-23 20:45
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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