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101449 (1998 VQ55)
Classification: Main-belt Asteroid          SPK-ID: 2101449
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2322175523894224 3.6404e-08  
a 2.276223513500242 8.9453e-09 au
q 1.747644460503964 8.2278e-08 au
i 8.635408795152136 3.5035e-06 deg
node 234.5471011844341 2.9878e-05 deg
peri 150.5060684244872 3.1131e-05 deg
M 165.9364743599206 9.9466e-06 deg
tp 2458622.323890443965
(2019-May-18.82389044)		 3.3296e-05 TDB
period 1254.355922910016
3.43		 7.3942e-06
2.024e-08		 d
yr
n .2869998805162299 1.6918e-09 deg/d
Q 2.804802566496519 1.1023e-08 au
   Orbit Determination Parameters
   # obs. used (total)      781  
   data-arc span      8234 days (22.54 yr)  
   first obs. used      1998-08-29  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:36:50  

Additional Information
 Earth MOID = .75713 au 
 Jupiter MOID = 2.66373 au 
 T_jup = 3.558 
[ 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 15.85   n/a E2021B55  
diameter diameter 1.882 km 0.315 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.218   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

101449 (1998 VQ55)          Discovered 1998-Nov-15 by NEAT at Haleakala
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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