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243098 (2007 RX21)
Classification: Main-belt Asteroid          SPK-ID: 2243098
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09216618094823625 5.7244e-08  
a 2.723880983103495 3.2716e-08 au
q 2.472831275533319 1.686e-07 au
i 12.30719373009452 1.0425e-05 deg
node 4.013462915571854 2.8334e-05 deg
peri 279.8651974167098 6.1942e-05 deg
M 267.3608247680108 5.533e-05 deg
tp 2459023.044834995586
(2020-Jun-22.54483500)
0.0002532 TDB
period 1642.02822636836
4.50
2.9583e-05
8.099e-08
d
yr
n .2192410545805321 3.9499e-09 deg/d
Q 2.974930690673672 3.5731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      293  
   data-arc span      6596 days (18.06 yr)  
   first obs. used      2001-03-20  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59465  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:31:08  

Additional Information
 Earth MOID = 1.49327 au 
 Jupiter MOID = 2.23109 au 
 T_jup = 3.318 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO288018  
diameter diameter 3.381 km 0.625 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243098 (2007 RX21)          Discovered 2007-Sep-03 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2007 RX21 = 2001 FB131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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