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101932 (1999 RN21)
Classification: Main-belt Asteroid          SPK-ID: 2101932
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1668962688748132 3.5534e-08  
a 2.204895156353929 7.4271e-09 au
q 1.83690638149831 8.0298e-08 au
i 2.103321380009024 4.3118e-06 deg
node 67.3319104894628 0.00011027 deg
peri 206.9281793311305 0.00011131 deg
M 240.390978483553 1.7596e-05 deg
tp 2459597.821236898398
(2022-Jan-18.32123690)
5.9632e-05 TDB
period 1195.860006795181
3.27
6.0423e-06
1.654e-08
d
yr
n .3010385814011576 1.5211e-09 deg/d
Q 2.572883931209547 8.6666e-09 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      7851 days (21.49 yr)  
   first obs. used      1999-09-07  
   last obs. used      2021-03-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55538  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:27  

Additional Information
 Earth MOID = .819047 au 
 Jupiter MOID = 2.53005 au 
 T_jup = 3.643 
[ 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 16.1   n/a MPO449616  

101932 (1999 RN21)          Discovered 1999-Sep-07 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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