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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1101535435641943 4.2634e-08  
a 3.095774114316974 2.1833e-08 au
q 2.754763625550654 1.3607e-07 au
i 8.147816263308181 4.3313e-06 deg
node 233.2961950829241 3.4361e-05 deg
peri 154.9775974413887 3.9702e-05 deg
M 69.22815568114383 2.0089e-05 deg
tp 2458217.910907264409
(2018-Apr-09.41090726)		 0.00011003 TDB
period 1989.538389830714
5.45		 2.1047e-05
5.762e-08		 d
yr
n .1809464958505433 1.9142e-09 deg/d
Q 3.436784603083294 2.4238e-08 au
   Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      6640 days (18.18 yr)  
   first obs. used      2001-08-31  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 10:17:24  

Additional Information
 Earth MOID = 1.76213 au 
 Jupiter MOID = 1.99641 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 14.1   n/a MPO432619  
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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