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89959 (2002 NT7)
Classification: Apollo [NEO, PHA]          SPK-ID: 2089959
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 144 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5283840836793707 2.4085e-08  
a 1.7357025259258 2.6965e-09 au
q .8185849372245271 4.1415e-08 au
i 42.34760577168322 6.559e-06 deg
node 132.0297674657441 4.748e-06 deg
peri 300.6942837280881 6.8723e-06 deg
M 236.7942573643446 7.6414e-06 deg
tp 2459286.351068646007
(2021-Mar-12.85106865)
1.834e-05 TDB
period 835.2401642257668
2.29
1.9464e-06
5.329e-09
d
yr
n .4310137555869397 1.0044e-09 deg/d
Q 2.652820114627073 4.1213e-09 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      23712 days (64.92 yr)  
   first obs. used      1954-07-10  
   last obs. used      2019-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-21 06:09:39  

Additional Information
 Earth MOID = 2.65565E-5 au 
 Jupiter MOID = 3.08274 au 
 T_jup = 3.723 
[ 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 16.5   n/a MPO474779  
diameter diameter 1.407 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
rotation period rot_per 5.527 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46, 304-314.]
geometric albedo albedo 0.224   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

89959 (2002 NT7)          Discovered 2002-Jul-09 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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