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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3165295472848314 5.2242e-08  
a 2.563408521187346 1.7991e-08 au
q 1.752013982469836 1.2891e-07 au
i 6.111846106598907 5.474e-06 deg
node 85.89970692359486 5.3707e-05 deg
peri 337.8187589985761 5.496e-05 deg
M 334.3284975423017 1.6149e-05 deg
tp 2459107.399075336564
(2020-Sep-14.89907534)
6.7782e-05 TDB
period 1499.081216012838
4.10
1.5782e-05
4.321e-08
d
yr
n .2401470955372954 2.5282e-09 deg/d
Q 3.374803059904856 2.3686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      9180 days (25.13 yr)  
   first obs. used      1993-04-18  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5253  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 06:32:08  

Additional Information
 Earth MOID = .767333 au 
 Jupiter MOID = 1.96877 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 15.9   n/a MPO446036  
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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