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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09480268928367999 5.5931e-08  
a 3.164904688576123 2.3134e-08 au
q 2.864863212772579 1.7764e-07 au
i 8.261400132847003 4.7754e-06 deg
node 260.6343283323738 4.2482e-05 deg
peri 128.6903107329494 5.0562e-05 deg
M 216.8616276597574 2.8646e-05 deg
tp 2459818.198035059394
(2022-Aug-26.69803506)
0.00016777 TDB
period 2056.550509891614
5.63
2.2548e-05
6.173e-08
d
yr
n .1750504051655765 1.9193e-09 deg/d
Q 3.464946164379667 2.5327e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1045  
   data-arc span      7448 days (20.39 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:57:24  

Additional Information
 Earth MOID = 1.88003 au 
 Jupiter MOID = 1.95673 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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