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JPL Small-Body Database Browser
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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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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 143 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5288346327353898 2.4323e-08  
a 1.735248340798909 2.7271e-09 au
q .8175889217878234 4.1815e-08 au
i 42.33871104022045 6.7132e-06 deg
node 132.0549902846835 4.7546e-06 deg
peri 300.6727212685617 6.9006e-06 deg
M 64.34723057974999 7.3682e-06 deg
tp 2458451.265840823758
(2018-Nov-28.76584082)
1.6771e-05 TDB
period 834.9123469558311
2.29
1.9682e-06
5.389e-09
d
yr
n .4311829874268764 1.0165e-09 deg/d
Q 2.652907759809994 4.1693e-09 au
  Orbit Determination Parameters
   # obs. used (total)      937  
   data-arc span      23709 days (64.91 yr)  
   first obs. used      1954-07-10  
   last obs. used      2019-06-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48194  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jun-25 05:39:00  

Additional Information
 Earth MOID = .000541511 au 
 Jupiter MOID = 3.08414 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 16.4   n/a MPO267972  
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-January); Warner et al., 2009 Published Reference List:
[Warner, B.D.; Stephens, R.D. (2019) Minor Planet Bull. 46-2, submitted. (NEA Gaggle) http://www.planetarysciences.org/PHP/CS3_Lightcurves.php]
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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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