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22973 (1999 VW16)
Classification: Main-belt Asteroid          SPK-ID: 2022973
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093464148892006 3.9258e-08  
a 2.699826351421268 1.2917e-08 au
q 2.404610019069961 1.0614e-07 au
i 1.933117916977174 3.6255e-06 deg
node 288.4197892931589 0.00012785 deg
peri 87.76527048931509 0.00012896 deg
M 289.2700854790221 1.7885e-05 deg
tp 2459518.848499501984
(2021-Oct-31.34849950)
8.161e-05 TDB
period 1620.325156574638
4.44
1.1628e-05
3.184e-08
d
yr
n .2221776280762306 1.5944e-09 deg/d
Q 2.995042683772574 1.4329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1212  
   data-arc span      10902 days (29.85 yr)  
   first obs. used      1990-10-11  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:15  

Additional Information
 Earth MOID = 1.40534 au 
 Jupiter MOID = 2.47626 au 
 T_jup = 3.358 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.867 km 0.586 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 97.832 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.225   0.073 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22973 (1999 VW16)          Discovered 1999-Nov-02 by Spacewatch at Kitt Peak
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VW16 = 1990 TL11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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