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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 ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1878135746855059 4.1018e-08  
a 3.085635174183337 1.8292e-08 au
q 2.50611100194463 1.3037e-07 au
i 9.801431048760909 5.0614e-06 deg
node 276.1075699996168 3.413e-05 deg
peri 164.4433101535633 3.9923e-05 deg
M 247.6560464642056 1.9601e-05 deg
tp 2459618.320755431149
(2022-Feb-07.82075543)
0.00010903 TDB
period 1979.772519616276
5.42
1.7604e-05
4.82e-08
d
yr
n .1818390731424921 1.6169e-09 deg/d
Q 3.665159346422043 2.1727e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      8164 days (22.35 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:58:21  

Additional Information
 Earth MOID = 1.52359 au 
 Jupiter MOID = 1.58873 au 
 T_jup = 3.177 
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Orbital Elements at Epoch 2457342.5 (2015-Nov-16.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872728586090929 3.7753e-08  
q 2.508202595655764 1.1799e-07 au
tp 2457620.543271925700
(2016-Aug-20.04327193)
0.00010476 TDB
node 276.3920504354828 3.4428e-05 deg
peri 161.8249615194596 4.0084e-05 deg
i 9.746572369575583 5.0099e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      8164 days (22.35 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48052  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:58:21  

Additional Information
 Jupiter MOID = 1.58873 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.425273256242324E-15 -4.419603350969527E-15 1.626035594744833E-12 4.751348783785116E-16 3.662550333258557E-13 1.070116917524498E-15
q -4.419603350969527E-15 1.392116522336554E-14 -4.427382318373999E-12 6.56611953441936E-16 -1.032275812037262E-12 -1.769294316858502E-15
tp 1.626035594744833E-12 -4.427382318373999E-12 1.097420656787225E-8 -2.361200436405243E-11 2.197536419629205E-9 4.427479316284004E-12
node 4.751348783785116E-16 6.56611953441936E-16 -2.361200436405243E-11 1.185315894744679E-9 -1.173918240664247E-9 9.105776580635906E-11
peri 3.662550333258557E-13 -1.032275812037262E-12 2.197536419629205E-9 -1.173918240664247E-9 1.606750157692426E-9 -8.913039650927247E-11
i 1.070116917524498E-15 -1.769294316858502E-15 4.427479316284004E-12 9.105776580635906E-11 -8.913039650927247E-11 2.509898876730944E-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

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