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86142 (1999 RJ184)
Classification: Main-belt Asteroid          SPK-ID: 2086142
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1934219880970934 6.7563e-08  
a 3.125676611197927 2.6581e-08 au
q 2.521102026911438 2.0945e-07 au
i 11.47686078168628 7.3066e-06 deg
node 11.92085299450576 2.8127e-05 deg
peri 7.500756103948878 3.1587e-05 deg
M 254.4790628558955 1.7302e-05 deg
tp 2459592.130602677371
(2022-Jan-12.63060268)
0.00010185 TDB
period 2018.433713045858
5.53
2.5748e-05
7.049e-08
d
yr
n .1783561172572532 2.2752e-09 deg/d
Q 3.730251195484415 3.1723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      591  
   data-arc span      7180 days (19.66 yr)  
   first obs. used      1999-09-04  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54872  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:56:41  

Additional Information
 Earth MOID = 1.52369 au 
 Jupiter MOID = 1.74177 au 
 T_jup = 3.155 
[ 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 14.5   n/a MPO436377  
diameter diameter 8.737 km 3.812 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.040   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86142 (1999 RJ184)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 RJ184 = 2001 AJ43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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