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43027 (1999 VA23)
Classification: Main-belt Asteroid          SPK-ID: 2043027
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04704022834589043 5.0064e-08  
a 2.693157406937544 1.5125e-08 au
q 2.566470667543776 1.3719e-07 au
i 14.38138765746796 5.5383e-06 deg
node 229.1803344395073 1.7602e-05 deg
peri 348.9588390140413 4.8776e-05 deg
M 98.6523015916582 4.5376e-05 deg
tp 2458758.119725180830
(2019-Oct-01.61972518)
0.00020338 TDB
period 1614.32522470786
4.42
1.36e-05
3.723e-08
d
yr
n .2230033914418628 1.8787e-09 deg/d
Q 2.819844146331312 1.5837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      8200 days (22.45 yr)  
   first obs. used      1998-06-25  
   last obs. used      2020-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49582  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:15:03  

Additional Information
 Earth MOID = 1.55736 au 
 Jupiter MOID = 2.17056 au 
 T_jup = 3.324 
[ 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 14.21   n/a E2021B10  
diameter diameter 3.919 km 1.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 35.6464 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.317   0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43027 (1999 VA23)          Discovered 1999-Nov-12 by Sposetti, S. at Gnosca
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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