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101949 (1999 RX26)
Classification: Main-belt Asteroid          SPK-ID: 2101949
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1817073786418034 3.2402e-08  
a 2.228306469447828 8.3564e-09 au
q 1.823406742073892 7.0999e-08 au
i 1.769364054117174 4.3424e-06 deg
node 55.18533050440433 0.00012804 deg
peri 226.5424335140244 0.00012878 deg
M 200.9488279483907 1.5711e-05 deg
tp 2459737.278585598367
(2022-Jun-06.77858560)
5.4712e-05 TDB
period 1214.956723190378
3.33
6.8344e-06
1.871e-08
d
yr
n .2963068503828426 1.6668e-09 deg/d
Q 2.633206196821765 9.8749e-09 au
  Orbit Determination Parameters
   # obs. used (total)      815  
   data-arc span      8396 days (22.99 yr)  
   first obs. used      1998-02-24  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5679  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:33  

Additional Information
 Earth MOID = .805616 au 
 Jupiter MOID = 2.50325 au 
 T_jup = 3.622 
[ 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 16.4   n/a MPO449617  

101949 (1999 RX26)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 RX26 = 1998 DD19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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