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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 161 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5282103902151631 2.4141e-08  
a 1.735429524939625 2.6204e-09 au
q .8187576183803507 4.1495e-08 au
i 42.35492432447712 6.5434e-06 deg
node 132.0252826008244 4.7549e-06 deg
peri 300.7082858328719 6.8156e-06 deg
M 47.46270981243887 7.7937e-06 deg
tp 2459286.407197072936
(2021-Mar-12.90719707)
1.7851e-05 TDB
period 835.0431151184748
2.29
1.8913e-06
5.178e-09
d
yr
n .4311154639589163 9.7645e-10 deg/d
Q 2.6521014314989 4.0046e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1027  
   data-arc span      24472 days (67.00 yr)  
   first obs. used      1954-07-10  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43307  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-10 05:57:05  

Additional Information
 Earth MOID = .000553877 au 
 Jupiter MOID = 3.08332 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 16.45   n/a MPCxxxxx  
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. 2020-October); 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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