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186913 (2004 MS2)
Classification: Main-belt Asteroid          SPK-ID: 2186913
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1435189509483617 6.6482e-08  
a 2.536744741278751 1.321e-08 au
q 2.172673797186651 1.7295e-07 au
i 12.69492213860549 9.0554e-06 deg
node 215.352417732189 1.7958e-05 deg
peri 61.23353974610213 3.6597e-05 deg
M 17.07928677113033 3.0277e-05 deg
tp 2459130.486657803923
(2020-Oct-07.98665780)
0.00012394 TDB
period 1475.752677986074
4.04
1.1528e-05
3.156e-08
d
yr
n .2439433147370492 1.9055e-09 deg/d
Q 2.90081568537085 1.5106e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55441  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:13  

Additional Information
 Earth MOID = 1.18704 au 
 Jupiter MOID = 2.23512 au 
 T_jup = 3.399 
[ 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 16.45   n/a E2021B55  

186913 (2004 MS2)          Discovered 2004-Jun-19 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 MS2 = 2001 UT143 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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