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91507 (1999 RM160)
Classification: Main-belt Asteroid          SPK-ID: 2091507
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2751498267133921 3.5471e-08  
a 2.773085420482457 1.2344e-08 au
q 2.010071447575275 9.5766e-08 au
i 15.19767173967283 5.7926e-06 deg
node .03266282568004117 1.3436e-05 deg
peri 119.577244244483 1.7378e-05 deg
M 61.89534622779146 1.0377e-05 deg
tp 2458710.499468387399
(2019-Aug-14.99946839)
4.7559e-05 TDB
period 1686.721179267913
4.62
1.1262e-05
3.083e-08
d
yr
n .2134318371197844 1.4251e-09 deg/d
Q 3.536099393389639 1.574e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1321  
   data-arc span      10334 days (28.29 yr)  
   first obs. used      1992-02-29  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:39:59  

Additional Information
 Earth MOID = 1.07049 au 
 Jupiter MOID = 1.70932 au 
 T_jup = 3.231 
[ 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 14.3   n/a MPO468901  
diameter diameter 7.370 km 0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91507 (1999 RM160)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RM160 = 1992 DK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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