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160601 (1999 RO234)
Classification: Main-belt Asteroid          SPK-ID: 2160601
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3166767199914235 4.612e-08  
a 2.563958662953289 1.2622e-08 au
q 1.752012643375645 1.1617e-07 au
i 6.111656602535467 5.0826e-06 deg
node 85.90023524400002 4.0641e-05 deg
peri 337.8171286942884 4.1867e-05 deg
M 22.35153728419506 9.1297e-06 deg
tp 2459107.395675633107
(2020-Sep-14.89567563)
3.8142e-05 TDB
period 1499.563826233196
4.11
1.1073e-05
3.032e-08
d
yr
n .2400698081016637 1.7727e-09 deg/d
Q 3.375904682530932 1.6619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      774  
   data-arc span      10189 days (27.90 yr)  
   first obs. used      1993-04-18  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44485  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:02  

Additional Information
 Earth MOID = .76673 au 
 Jupiter MOID = 1.96847 au 
 T_jup = 3.354 
[ 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 16.07   n/a E2021B55  
diameter diameter 4.981 km 0.629 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

160601 (1999 RO234)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

[ show close-approach data ]
Alternate Designations
 1999 RO234 = 1999 SR19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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