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150271 (1999 RO202)
Classification: Main-belt Asteroid          SPK-ID: 2150271
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1538015598789816 7.773e-08  
a 3.054752969801057 2.3203e-08 au
q 2.584927198000703 2.4715e-07 au
i 13.85251132536157 8.691e-06 deg
node 330.2780336729873 1.5332e-05 deg
peri 31.97237499181874 2.736e-05 deg
M 356.0881838959323 2.0131e-05 deg
tp 2459221.690368048557
(2021-Jan-07.19036805)
0.00010911 TDB
period 1950.125541317803
5.34
2.2219e-05
6.083e-08
d
yr
n .1846034998119808 2.1033e-09 deg/d
Q 3.524578741601411 2.6772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      506  
   data-arc span      7760 days (21.25 yr)  
   first obs. used      1999-09-08  
   last obs. used      2020-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50244  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 10:38:48  

Additional Information
 Earth MOID = 1.58966 au 
 Jupiter MOID = 1.95531 au 
 T_jup = 3.174 
[ 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 15.14   n/a E2021B55  
diameter diameter 5.931 km 0.788 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.055   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

150271 (1999 RO202)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 1999 RO202 = 2004 PO73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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