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JPL Small-Body Database Browser
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66411 (1999 NB7)
Classification: Main-belt Asteroid          SPK-ID: 2066411
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1352486273664824 5.5115e-08  
a 2.592172526056927 1.5391e-08 au
q 2.24158475001062 1.4278e-07 au
i 12.06633908667203 6.1727e-06 deg
node 297.7822780678612 2.1172e-05 deg
peri 163.0198645122746 3.2917e-05 deg
M 216.2402441093297 2.2247e-05 deg
tp 2459609.236170278953
(2022-Jan-29.73617028)
9.4499e-05 TDB
period 1524.383649253575
4.17
1.3577e-05
3.717e-08
d
yr
n .2361610216537526 2.1034e-09 deg/d
Q 2.942760302103234 1.7473e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1172  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      1999-07-13  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47186  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:28:02  

Additional Information
 Earth MOID = 1.26102 au 
 Jupiter MOID = 2.20058 au 
 T_jup = 3.375 
[ 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 13.9   n/a MPO493334  
diameter diameter 4.285 km 0.208 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.319   0.050 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66411 (1999 NB7)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 NB7 = 2000 RQ60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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