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233604 (2007 RT308)
Classification: Main-belt Asteroid          SPK-ID: 2233604
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2712823459281843 5.9358e-08  
a 3.005779776440908 2.4514e-08 au
q 2.190364787344525 1.8788e-07 au
i 9.1730483365494 6.2727e-06 deg
node 202.63529368312 2.5187e-05 deg
peri 320.4236411510393 2.8258e-05 deg
M 53.83959686001756 8.1513e-06 deg
tp 2458915.835400286987
(2020-Mar-07.33540029)
4.3822e-05 TDB
period 1903.417965092304
5.21
2.3286e-05
6.375e-08
d
yr
n .1891334465693888 2.3138e-09 deg/d
Q 3.821194765537292 3.1165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      494  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50862  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:04:12  

Additional Information
 Earth MOID = 1.20617 au 
 Jupiter MOID = 1.24526 au 
 T_jup = 3.175 
[ 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 15.78   n/a E2021B55  
diameter diameter 4.316 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

233604 (2007 RT308)          Discovered 2007-Sep-15 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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