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JPL Small-Body Database Browser
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59941 (1999 RX197)
Classification: Main-belt Asteroid          SPK-ID: 2059941
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09513714058839691 5.6692e-08  
a 3.163808895161095 2.3991e-08 au
q 2.862813163507334 1.7915e-07 au
i 8.262041726203218 4.8835e-06 deg
node 260.6322438795441 4.3121e-05 deg
peri 128.9377131456548 5.1642e-05 deg
M 146.5303008429171 2.8909e-05 deg
tp 2457763.859793855192
(2017-Jan-10.35979386)
0.00016191 TDB
period 2055.482534871828
5.63
2.338e-05
6.401e-08
d
yr
n .1751413567824103 1.9921e-09 deg/d
Q 3.464804626814857 2.6273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1036  
   data-arc span      7186 days (19.67 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49747  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:16:14  

Additional Information
 Earth MOID = 1.87733 au 
 Jupiter MOID = 1.95576 au 
 T_jup = 3.181 
[ 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 13.5   n/a MPO474480  
diameter diameter 10.934 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.078   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59941 (1999 RX197)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RX197 = 2000 YH87 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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