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109870 (2001 RS149)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109870
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05089439684682166 3.9874e-08  
a 3.246087410004537 3.3303e-08 au
q 3.080879749160295 1.2635e-07 au
i 2.784792618732275 4.5669e-06 deg
node 114.7329014181022 0.00011653 deg
peri 168.7107528477559 0.00013151 deg
M 162.4980611777001 6.0611e-05 deg
tp 2458236.261595157480
(2018-Apr-27.76159516)
0.0003629 TDB
period 2136.184414924847
5.85
3.2875e-05
9.001e-08
d
yr
n .1685247759906839 2.5935e-09 deg/d
Q 3.411295070848779 3.4998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      8418 days (23.05 yr)  
   first obs. used      1998-01-01  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54048  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:17:44  

Additional Information
 Earth MOID = 2.06257 au 
 Jupiter MOID = 1.66457 au 
 T_jup = 3.179 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.97   n/a MPCxxxxx  

109870 (2001 RS149)          Discovered 2001-Sep-11 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RS149 = 2002 XH11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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