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66412 (1999 NW7)
Classification: Main-belt Asteroid          SPK-ID: 2066412
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1226310874741644 3.9986e-08  
a 2.487558772647395 1.1751e-08 au
q 2.182506735201748 9.6564e-08 au
i 8.139621091437816 3.5787e-06 deg
node 291.5134228638387 3.3859e-05 deg
peri 11.30619217021921 3.9988e-05 deg
M 169.4080662848113 2.4172e-05 deg
tp 2458526.142740613516
(2019-Feb-11.64274061)
9.3832e-05 TDB
period 1433.040460841977
3.92
1.0154e-05
2.78e-08
d
yr
n .2512141211899094 1.78e-09 deg/d
Q 2.792610810093043 1.3192e-08 au
  Orbit Determination Parameters
   # obs. used (total)      885  
   data-arc span      8803 days (24.10 yr)  
   first obs. used      1997-01-13  
   last obs. used      2021-02-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51491  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:21:59  

Additional Information
 Earth MOID = 1.16563 au 
 Jupiter MOID = 2.41361 au 
 T_jup = 3.450 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.59   n/a MPCxxxxx  
diameter diameter 2.597 km 0.456 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.199   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66412 (1999 NW7)          Discovered 1999-Jul-13 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 NW7 = 1997 AS24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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