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JPL Small-Body Database Browser
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109821 (2001 RN109)
Classification: Main-belt Asteroid          SPK-ID: 2109821
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05762940596271408 7.7187e-08  
a 2.584411698017494 1.9352e-08 au
q 2.435473587097657 1.9318e-07 au
i .5493677747124339 5.9114e-06 deg
node 333.3992173251506 0.00070954 deg
peri 32.28032331141833 0.00071135 deg
M 165.6349472798163 5.1219e-05 deg
tp 2458302.282954261267
(2018-Jul-02.78295426)
0.00021526 TDB
period 1517.542889311341
4.15
1.7045e-05
4.667e-08
d
yr
n .2372255852112145 2.6645e-09 deg/d
Q 2.733349808937331 2.0467e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1993-09-18  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:46:55  

Additional Information
 Earth MOID = 1.43319 au 
 Jupiter MOID = 2.51879 au 
 T_jup = 3.420 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456578.5 (2013-Oct-13.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0567190195731842 7.6787e-08  
q 2.438365085898203 1.919e-07 au
tp 2456776.759683429699
(2014-Apr-29.25968343)
0.0002204 TDB
node 333.5670573998343 0.00070516 deg
peri 30.45611718448905 0.00070711 deg
i .5522529994424453 5.9143e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      9238 days (25.29 yr)  
   first obs. used      1993-09-18  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62714  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:46:55  

Additional Information
 Jupiter MOID = 2.51879 au 
 T_jup = 3.420 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.89628819784221E-15 -1.467935752069486E-14 3.444594099495503E-12 -5.78196306651823E-14 6.451661846268391E-13 -9.198535969899331E-16
q -1.467935752069486E-14 3.682497290364642E-14 -8.831058793915401E-12 1.368980872189032E-13 -1.670564449357425E-12 2.354917933659346E-15
tp 3.444594099495503E-12 -8.831058793915401E-12 4.857412372183581E-8 -1.667338621642949E-11 1.159441531711778E-8 -2.439286566466473E-12
node -5.78196306651823E-14 1.368980872189032E-13 -1.667338621642949E-11 4.972572772226138E-7 -4.972351986833726E-7 1.010872046214776E-9
peri 6.451661846268391E-13 -1.670564449357425E-12 1.159441531711778E-8 -4.972351986833726E-7 5.000021853764994E-7 -1.01138044770487E-9
i -9.198535969899331E-16 2.354917933659346E-15 -2.439286566466473E-12 1.010872046214776E-9 -1.01138044770487E-9 3.497841684536949E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO268015  

109821 (2001 RN109)          Discovered 2001-Sep-12 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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