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109701 (2001 RY40)
Classification: Main-belt Asteroid          SPK-ID: 2109701
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01853127318593787 4.0418e-08  
a 2.76747521549921 2.0584e-08 au
q 2.716190376245482 1.1363e-07 au
i 13.28061322543559 6.275e-06 deg
node 48.23972492725054 2.1417e-05 deg
peri 62.17882139895699 0.00018577 deg
M 265.4051815186492 0.00018437 deg
tp 2459442.364269452221
(2021-Aug-15.86426945)
0.00086191 TDB
period 1681.605182573082
4.60
1.8761e-05
5.136e-08
d
yr
n .2140811670484695 2.3885e-09 deg/d
Q 2.818760054752938 2.0966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      822  
   data-arc span      6979 days (19.11 yr)  
   first obs. used      2001-08-13  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55111  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:55:13  

Additional Information
 Earth MOID = 1.74795 au 
 Jupiter MOID = 2.21232 au 
 T_jup = 3.300 
[ 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 14.7   n/a MPO359511  
diameter diameter 6.534 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.079   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109701 (2001 RY40)          Discovered 2001-Sep-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1972-Jul-31 16:31 00:01 Hygie 0.0283240208753662 0.0283189326773443 0.0283291146354033 5.17210868651837 5.172108422776 2441530.187914810 1.01262816230823 685.271561489747 47.7586092589859 -68.6331264354797 82562.1840279718 T 15 CATAB v2.0f-lin.ifort 2020-Oct-22 19:56:02 2020-Oct-22 19:56
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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