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22977 (1999 VF24)
Classification: Main-belt Asteroid          SPK-ID: 2022977
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1316269136090719 1.882e-08  
a 2.542825493632563 9.4167e-09 au
q 2.208121222059244 4.7459e-08 au
i 12.81689555545565 6.0648e-07 deg
node 274.5580251303086 2.3434e-06 deg
peri 98.91295278203724 4.2364e-06 deg
M 79.11039577838896 4.4931e-06 deg
tp 2458875.034980057371
(2020-Jan-26.53498006)
1.7937e-05 TDB
period 1481.062078207345
4.05
8.2271e-06
2.252e-08
d
yr
n .2430688121025545 1.3502e-09 deg/d
Q 2.877529765205883 1.0656e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2322  
   data-arc span      15083 days (41.30 yr)  
   first obs. used      1979-11-16  
   last obs. used      2021-03-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4151  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:15:17  

Additional Information
 Earth MOID = 1.25145 au 
 Jupiter MOID = 2.66306 au 
 T_jup = 3.398 
[ 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 13.3   n/a MPO358846  
diameter diameter 6.742 km 0.148 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.532 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Clark, M. (2016) Minor Planet Bull. 43, 132-135.]
geometric albedo albedo 0.235   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22977 (1999 VF24)          Discovered 1999-Nov-15 by Juels, C. W. at Fountain Hills
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VF24 = 1979 WV2 = 1987 VB2 = 1991 RH29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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