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59915 (1999 RF159)
Classification: Main-belt Asteroid          SPK-ID: 2059915
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07253186766727587 5.1658e-08  
a 3.128805514167954 2.2067e-08 au
q 2.901867406657681 1.618e-07 au
i 19.30653185992639 5.7234e-06 deg
node 349.9239023329374 1.2511e-05 deg
peri 174.9871112750094 3.2149e-05 deg
M 88.67532340564458 2.9039e-05 deg
tp 2458502.571987379364
(2019-Jan-19.07198738)
0.00016361 TDB
period 2021.465247140205
5.53
2.1385e-05
5.855e-08
d
yr
n .1780886416470909 1.884e-09 deg/d
Q 3.355743621678227 2.3667e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1518  
   data-arc span      7258 days (19.87 yr)  
   first obs. used      1999-08-12  
   last obs. used      2019-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45916  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:01  

Additional Information
 Earth MOID = 1.9091 au 
 Jupiter MOID = 1.62007 au 
 T_jup = 3.123 
[ 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 12.4   n/a MPO395559  
diameter diameter 17.726 km 0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.820 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59915 (1999 RF159)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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