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JPL Small-Body Database Browser
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243630 (1999 RX202)
Classification: Main-belt Asteroid          SPK-ID: 2243630
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1684494665711182 1.0514e-07  
a 3.08035479759175 4.0143e-08 au
q 2.561470675087635 3.3205e-07 au
i 13.84682872495756 8.726e-06 deg
node 278.2512547315221 3.339e-05 deg
peri 45.52143835535311 4.0078e-05 deg
M 246.6286286508574 2.0628e-05 deg
tp 2459222.371191911377
(2021-Jan-07.87119191)
0.00011889 TDB
period 1974.692785523836
5.41
3.8602e-05
1.057e-07
d
yr
n .1823068391392847 3.5638e-09 deg/d
Q 3.599238920095865 4.6906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      287  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      1999-09-08  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55548  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:32:37  

Additional Information
 Earth MOID = 1.56837 au 
 Jupiter MOID = 1.75521 au 
 T_jup = 3.162 
[ 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 15.2   n/a MPO348657  
diameter diameter 2.516 km 0.555 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.335   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243630 (1999 RX202)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ show close-approach data ]
Alternate Designations
 1999 RX202 = 2004 LQ25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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