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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2805736508685583 1.4581e-07  
a 2.456383187062471 3.9375e-08 au
q 1.767186788336209 3.3408e-07 au
i 8.505739022763107 1.0028e-05 deg
node 227.4213587939316 3.9729e-05 deg
peri 121.7953225204486 4.7989e-05 deg
M 285.6110217780692 3.9372e-05 deg
tp 2459291.068608613393
(2021-Mar-17.56860861)
0.00016034 TDB
period 1406.185453828197
3.85
3.3811e-05
9.257e-08
d
yr
n .2560117508113433 6.1556e-09 deg/d
Q 3.145579585788734 5.0422e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      4532 days (12.41 yr)  
   first obs. used      2005-06-30  
   last obs. used      2017-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52674  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:35:00  

Additional Information
 Earth MOID = .779576 au 
 Jupiter MOID = 2.37214 au 
 T_jup = 3.423 
[ 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 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 11 CATAB v2.0e-lin.ifort 2017-Dec-07 18:35:02 2018-Dec-18 02:17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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