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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1818160885724811 3.4004e-08  
a 2.228057359364475 8.6235e-09 au
q 1.822960685169695 7.4085e-08 au
i 1.769512320771677 5.1498e-06 deg
node 55.18969315639995 0.00013698 deg
peri 226.5031509144119 0.00013783 deg
M 141.7301458849543 1.6277e-05 deg
tp 2458522.258003192723
(2019-Feb-07.75800319)
5.3845e-05 TDB
period 1214.752992566395
3.33
7.0524e-06
1.931e-08
d
yr
n .2963565450778863 1.7205e-09 deg/d
Q 2.633154033559255 1.0191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7971 days (21.82 yr)  
   first obs. used      1998-02-24  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58567  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:57:35  

Additional Information
 Earth MOID = .807066 au 
 Jupiter MOID = 2.50406 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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