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180987 (2005 NU15)
Classification: Main-belt Asteroid          SPK-ID: 2180987
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03573966839660814 4.4062e-08  
a 2.738520672180996 2.2484e-08 au
q 2.640646851459991 1.1854e-07 au
i 4.874771635887117 4.5916e-06 deg
node 307.0528027857926 5.5342e-05 deg
peri 14.15884992495325 8.3937e-05 deg
M 168.2944739936039 6.1917e-05 deg
tp 2458622.680236411944
(2019-May-19.18023641)
0.0002851 TDB
period 1655.283790852737
4.53
2.0386e-05
5.581e-08
d
yr
n .2174853653430281 2.6784e-09 deg/d
Q 2.836394492902002 2.3288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:46  

Additional Information
 Earth MOID = 1.62701 au 
 Jupiter MOID = 2.29364 au 
 T_jup = 3.345 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457238.5 (2015-Aug-04.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03785610390659586 4.4102e-08  
q 2.634030163341011 1.1891e-07 au
tp 2456964.892014878248
(2014-Nov-03.39201488)
0.000271 TDB
node 307.2200321331775 5.5356e-05 deg
peri 13.31125905351388 8.1386e-05 deg
i 4.874298485715486 4.5945e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7063 days (19.34 yr)  
   first obs. used      2001-09-16  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:28:46  

Additional Information
 Jupiter MOID = 2.29364 au 
 T_jup = 3.345 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.944954635494439E-15 -5.159931450332622E-15 2.454429606598309E-12 1.522680934947212E-16 5.153156539129459E-13 -5.835885102793512E-16
q -5.159931450332622E-15 1.414003711111783E-14 -7.461960949437083E-12 1.012590505796817E-15 -1.562787578686405E-12 2.402818777613496E-15
tp 2.454429606598309E-12 -7.461960949437083E-12 7.344269737427121E-8 -2.745772840317035E-11 1.619531887992882E-8 -9.790289734845282E-12
node 1.522680934947212E-16 1.012590505796817E-15 -2.745772840317035E-11 3.064337014840647E-9 -3.058923920088093E-9 7.883541160110077E-11
peri 5.153156539129459E-13 -1.562787578686405E-12 1.619531887992882E-8 -3.058923920088093E-9 6.623698218305749E-9 -8.068414438333385E-11
i -5.835885102793512E-16 2.402818777613496E-15 -9.790289734845282E-12 7.883541160110077E-11 -8.068414438333385E-11 2.110902673309353E-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 16.12   n/a MPCxxxxx  

180987 (2005 NU15)          Discovered 2005-Jul-02 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2005 NU15 = 2001 SB325 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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