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22980 (1999 VL27)
Classification: Main-belt Asteroid          SPK-ID: 2022980
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1641521864243842 4.875e-08  
a 2.422589070124829 9.5492e-09 au
q 2.024915777456022 1.1636e-07 au
i 3.588993283559911 3.9948e-06 deg
node 341.6845929499195 5.5176e-05 deg
peri 24.01924668178231 5.6088e-05 deg
M 235.7423844841941 9.9986e-06 deg
tp 2459675.877444507469
(2022-Apr-06.37744451)
3.9339e-05 TDB
period 1377.266731799789
3.77
8.1432e-06
2.229e-08
d
yr
n .2613872764715358 1.5455e-09 deg/d
Q 2.820262362793636 1.1117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      9029 days (24.72 yr)  
   first obs. used      1995-09-02  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51324  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:22  

Additional Information
 Earth MOID = 1.02207 au 
 Jupiter MOID = 2.64303 au 
 T_jup = 3.491 
[ 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 14.89   n/a E2021B10  
diameter diameter 3.055 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.274   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22980 (1999 VL27)          Discovered 1999-Nov-03 by CSS at Catalina
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VL27 = 1995 SF54 = 1997 ES35 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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