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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1104115742807231 3.9764e-08  
a 3.094535153185919 1.9974e-08 au
q 2.752862655255623 1.242e-07 au
i 8.147892743239412 3.7819e-06 deg
node 233.2863592660987 3.4186e-05 deg
peri 154.800424617069 3.9076e-05 deg
M 141.8039225918142 2.0029e-05 deg
tp 2458217.291663594762
(2018-Apr-08.79166360)		 0.00010787 TDB
period 1988.344158274801
5.44		 1.9251e-05
5.271e-08		 d
yr
n .1810551752330222 1.7529e-09 deg/d
Q 3.436207651116215 2.2179e-08 au
   Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      6813 days (18.65 yr)  
   first obs. used      2001-08-31  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54102  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:08:19  

Additional Information
 Earth MOID = 1.7609 au 
 Jupiter MOID = 1.99929 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 14.2   n/a MPO502757  
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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