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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356560261539027 1.7963e-08  
a 2.590357150135714 1.2269e-08 au
q 2.238959592828955 5.0503e-08 au
i 12.06670292042801 9.1312e-07 deg
node 297.7823436905237 3.4622e-06 deg
peri 163.287602986832 8.3877e-06 deg
M 263.2200105251741 1.0134e-05 deg
tp 2459609.874670382639
(2022-Jan-30.37467038)
4.3941e-05 TDB
period 1522.782572487103
4.17
1.0818e-05
2.962e-08
d
yr
n .2364093249452058 1.6795e-09 deg/d
Q 2.941754707442473 1.3933e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1676  
   data-arc span      7859 days (21.52 yr)  
   first obs. used      1999-07-13  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45507  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:57  

Additional Information
 Earth MOID = 1.25816 au 
 Jupiter MOID = 2.2007 au 
 T_jup = 3.376 
[ 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 13.92   n/a E2021B10  
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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