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86135 (1999 RK172)
Classification: Main-belt Asteroid          SPK-ID: 2086135
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253788023016246 3.7471e-08  
a 3.005534693510802 2.0152e-08 au
q 2.628704353362437 1.1375e-07 au
i 11.83703755096447 5.0695e-06 deg
node 146.5507938324902 2.0882e-05 deg
peri 296.9135207557796 2.9322e-05 deg
M 270.2222672066164 2.0413e-05 deg
tp 2459475.121249203596
(2021-Sep-17.62124920)
0.00010893 TDB
period 1903.185170720717
5.21
1.9141e-05
5.241e-08
d
yr
n .1891565810507402 1.9024e-09 deg/d
Q 3.382365033659167 2.2678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      7662 days (20.98 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54465  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:58:56  

Additional Information
 Earth MOID = 1.67014 au 
 Jupiter MOID = 1.86363 au 
 T_jup = 3.207 
[ 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 14.0   n/a MPO439618  
diameter diameter 5.970 km 0.707 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.136   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

86135 (1999 RK172)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 RK172 = 2001 DN22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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