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66521 (1999 RR101)
Classification: Main-belt Asteroid          SPK-ID: 2066521
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201781960718266 3.4751e-08  
a 2.817528579001842 1.6512e-08 au
q 2.478923076996584 9.9011e-08 au
i 6.168444684523734 4.7852e-06 deg
node 180.7251285368824 3.3293e-05 deg
peri 114.9011169062929 3.8194e-05 deg
M 216.4055301179995 1.9697e-05 deg
tp 2459889.526833823307
(2022-Nov-06.02683382)
9.6521e-05 TDB
period 1727.431845949407
4.73
1.5185e-05
4.157e-08
d
yr
n .2084018543736767 1.8319e-09 deg/d
Q 3.1561340810071 1.8496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      798  
   data-arc span      10228 days (28.00 yr)  
   first obs. used      1993-03-19  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:00  

Additional Information
 Earth MOID = 1.46918 au 
 Jupiter MOID = 2.05397 au 
 T_jup = 3.299 
[ 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 15.33   n/a MPCxxxxx  

66521 (1999 RR101)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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