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59923 (1999 RY165)
Classification: Main-belt Asteroid          SPK-ID: 2059923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970340151396285 4.9635e-08  
a 2.791941498470742 1.8407e-08 au
q 2.241834054992101 1.3384e-07 au
i 3.937022672313149 6.0937e-06 deg
node 359.1912053925427 5.8724e-05 deg
peri 315.8500399665995 6.0624e-05 deg
M 182.3087586986672 1.8506e-05 deg
tp 2459841.549231424219
(2022-Sep-19.04923142)
9.2098e-05 TDB
period 1703.954123429537
4.67
1.6851e-05
4.614e-08
d
yr
n .2112732937172219 2.0893e-09 deg/d
Q 3.342048941949383 2.2033e-08 au
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      10794 days (29.55 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:44:34  

Additional Information
 Earth MOID = 1.23031 au 
 Jupiter MOID = 1.96696 au 
 T_jup = 3.297 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456875.5 (2014-Aug-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .199578934647379 4.9972e-08  
q 2.232353221422956 1.3507e-07 au
tp 2456428.995315848247
(2013-May-16.49531585)
7.5732e-05 TDB
node 359.2760329476103 5.8786e-05 deg
peri 314.9016385428727 6.0609e-05 deg
i 3.940841305569908 6.0867e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      673  
   data-arc span      10794 days (29.55 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53999  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:44:34  

Additional Information
 Jupiter MOID = 1.96696 au 
 T_jup = 3.297 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.497173640716804E-15 -6.715693553145015E-15 2.114323364232712E-12 1.669809425863557E-14 3.917839151983882E-13 -1.477637589525495E-16
q -6.715693553145015E-15 1.8244111495261E-14 -5.617173280977315E-12 -4.333281245481403E-14 -1.031805850281491E-12 6.029063570394327E-16
tp 2.114323364232712E-12 -5.617173280977315E-12 5.735400392304099E-9 2.51538987283757E-11 1.12968105096052E-9 -1.566046798186664E-12
node 1.669809425863557E-14 -4.333281245481403E-14 2.51538987283757E-11 3.4557773912312E-9 -3.442225467164153E-9 2.897449799676858E-11
peri 3.917839151983882E-13 -1.031805850281491E-12 1.12968105096052E-9 -3.442225467164153E-9 3.673501189161261E-9 -2.925125086244593E-11
i -1.477637589525495E-16 6.029063570394327E-16 -1.566046798186664E-12 2.897449799676858E-11 -2.925125086244593E-11 3.70473586939879E-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 15.2   n/a MPO412567  
diameter diameter 5.562 km 0.174 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.023   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59923 (1999 RY165)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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