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180973 (2005 MS46)
Classification: Main-belt Asteroid          SPK-ID: 2180973
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2082335445623483 7.0963e-08  
a 2.541608635168084 1.7498e-08 au
q 2.012360460176761 1.8609e-07 au
i 5.707129276742761 6.4074e-06 deg
node 158.0686928723818 6.3762e-05 deg
peri 106.8046685575331 6.5225e-05 deg
M 315.7873942987835 1.8581e-05 deg
tp 2459382.262820499058
(2021-Jun-16.76282050)
7.754e-05 TDB
period 1479.999071347661
4.05
1.5284e-05
4.185e-08
d
yr
n .2432433958706408 2.512e-09 deg/d
Q 3.070856810159406 2.1142e-08 au
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      2000-03-10  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:42  

Additional Information
 Earth MOID = 1.00397 au 
 Jupiter MOID = 2.04398 au 
 T_jup = 3.408 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457565.5 (2016-Jun-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2086787154122526 7.084e-08  
q 2.012074026730264 1.8607e-07 au
tp 2457900.555714504202
(2017-May-27.05571450)
6.9074e-05 TDB
node 158.1001793372861 6.3741e-05 deg
peri 106.5329162582599 6.5208e-05 deg
i 5.707095318953169 6.4092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      190  
   data-arc span      7648 days (20.94 yr)  
   first obs. used      2000-03-10  
   last obs. used      2021-02-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57569  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:42  

Additional Information
 Jupiter MOID = 2.04398 au 
 T_jup = 3.408 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.01830250939078E-15 -1.314993972183079E-14 7.749163712314455E-13 -3.916350043501154E-14 3.043883681726074E-13 2.233672096897715E-15
q -1.314993972183079E-14 3.46216499620361E-14 -1.514177475105954E-12 1.082219406047976E-13 -7.102261449122761E-13 -5.906674974008522E-15
tp 7.749163712314455E-13 -1.514177475105954E-12 4.771274103283631E-9 2.391587371155494E-11 9.913734617177611E-10 -2.639239246223721E-12
node -3.916350043501154E-14 1.082219406047976E-13 2.391587371155494E-11 4.062856303619614E-9 -4.038396516601092E-9 -1.646796641907204E-10
peri 3.043883681726074E-13 -7.102261449122761E-13 9.913734617177611E-10 -4.038396516601092E-9 4.252054005517468E-9 1.633381158247166E-10
i 2.233672096897715E-15 -5.906674974008522E-15 -2.639239246223721E-12 -1.646796641907204E-10 1.633381158247166E-10 4.107725210001035E-11

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 16.82   n/a MPCxxxxx  

180973 (2005 MS46)          Discovered 2005-Jun-28 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 MS46 = 2001 PN54 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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