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374275 (2005 NS55)
Classification: Main-belt Asteroid          SPK-ID: 2374275
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805735531461701 5.1471e-08  
a 2.456383167449304 1.8463e-08 au
q 1.767187014269609 1.2302e-07 au
i 8.505729439146997 8.9606e-06 deg
node 227.4213902172061 3.0935e-05 deg
peri 121.7952963075399 3.8833e-05 deg
M 285.6110328460551 2.3572e-05 deg
tp 2459291.068561900960
(2021-Mar-17.56856190)
9.4792e-05 TDB
period 1406.185436986515
3.85
1.5854e-05
4.341e-08
d
yr
n .2560117538775595 2.8865e-09 deg/d
Q 3.145579320628999 2.3644e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5473 days (14.98 yr)  
   first obs. used      2005-06-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:41:10  

Additional Information
 Earth MOID = .779576 au 
 Jupiter MOID = 2.37214 au 
 T_jup = 3.423 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457310.5 (2015-Oct-15.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2797455642235763 5.1586e-08  
q 1.769850971068425 1.2326e-07 au
tp 2457885.784661084541
(2017-May-12.28466108)
8.2463e-05 TDB
node 227.4371164993248 3.0943e-05 deg
peri 121.8716694912845 3.8894e-05 deg
i 8.502305579051708 8.958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      5473 days (14.98 yr)  
   first obs. used      2005-06-30  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53893  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:41:10  

Additional Information
 Jupiter MOID = 2.37214 au 
 T_jup = 3.423 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.661119073758236E-15 -6.325943857098471E-15 2.457674146384763E-12 -3.076177227683438E-14 6.955459801194466E-13 -7.385576556283225E-15
q -6.325943857098471E-15 1.519321241476508E-14 -5.221345286179492E-12 6.828020578397211E-14 -1.495048013435891E-12 1.815733972497385E-14
tp 2.457674146384763E-12 -5.221345286179492E-12 6.80015551021052E-9 -5.852979703097349E-11 1.945014104027478E-9 -6.975648884888906E-12
node -3.076177227683438E-14 6.828020578397211E-14 -5.852979703097349E-11 9.574914904796541E-10 -9.616289328474397E-10 1.838354401828586E-11
peri 6.955459801194466E-13 -1.495048013435891E-12 1.945014104027478E-9 -9.616289328474397E-10 1.512722420403254E-9 -1.97764244726243E-11
i -7.385576556283225E-15 1.815733972497385E-14 -6.975648884888906E-12 1.838354401828586E-11 -1.97764244726243E-11 8.024516929014657E-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 17.2   n/a MPO281767  

374275 (2005 NS55)          Discovered 2005-Jul-11 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-10-21

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2109-Dec-03 11:30 00:18 Iris 0.0484762039090648 0.0484300211770718 0.0485227706803754 5.11193035146101 5.11193032826253 2491692.978864480 18.1353627534967 7184.09377320919 34.1307714028742 -71.2345139712559 201111.640125975 T 12 CATAB v2.0f-lin.ifort 2020-Nov-12 18:41:11 2020-Nov-12 18:41
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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