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109749 (2001 RO68)
Classification: Main-belt Asteroid          SPK-ID: 2109749
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1106467144303926 3.9074e-08  
a 3.093820135723073 1.9746e-08 au
q 2.751499102666724 1.2231e-07 au
i 8.148767641685918 3.7714e-06 deg
node 233.2805231933287 3.2923e-05 deg
peri 154.7540711335733 3.7691e-05 deg
M 178.0761257154189 1.9771e-05 deg
tp 2458217.294686203236
(2018-Apr-08.79468620)
0.0001054 TDB
period 1987.655063500674
5.44
1.9029e-05
5.21e-08
d
yr
n .1811179447634969 1.7339e-09 deg/d
Q 3.436141168779423 2.193e-08 au
  Orbit Determination Parameters
   # obs. used (total)      997  
   data-arc span      7136 days (19.54 yr)  
   first obs. used      2001-08-31  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53707  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:17:10  

Additional Information
 Earth MOID = 1.75836 au 
 Jupiter MOID = 2.00066 au 
 T_jup = 3.199 
[ 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 14.18   n/a E2021B55  
diameter diameter 4.729 km 0.755 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.218   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109749 (2001 RO68)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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