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22793 (1999 NW1)
Classification: Main-belt Asteroid          SPK-ID: 2022793
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2327187610548331 6.825e-08  
a 2.349687211729135 1.1786e-08 au
q 1.802870914949146 1.612e-07 au
i 24.5238460340192 6.5277e-06 deg
node 308.3080952021976 1.0289e-05 deg
peri 23.65935561088019 1.2685e-05 deg
M 335.1161978619658 7.5613e-06 deg
tp 2459291.434303633149
(2021-Mar-17.93430363)
2.7794e-05 TDB
period 1315.568622766729
3.60
9.8979e-06
2.71e-08
d
yr
n .2736459305656712 2.0588e-09 deg/d
Q 2.896503508509125 1.4528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      24316 days (66.57 yr)  
   first obs. used      1953-12-10  
   last obs. used      2020-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4869  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:11  

Additional Information
 Earth MOID = .803325 au 
 Jupiter MOID = 2.47693 au 
 T_jup = 3.404 
[ 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 14.45   n/a E2021B10  
diameter diameter 3.245 km 0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 67.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2017) http://www.asu.cas.cz/~ppravec/neo.htm]
geometric albedo albedo 0.320   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22793 (1999 NW1)          Discovered 1999-Jul-12 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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