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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320538873673074 3.7532e-08  
a 2.276560331166798 9.0395e-09 au
q 1.748275656493338 8.4638e-08 au
i 8.634818930373489 3.5081e-06 deg
node 234.5539207907952 3.1071e-05 deg
peri 150.5200360340529 3.2458e-05 deg
M 108.5253171302209 1.0117e-05 deg
tp 2458622.278915338485
(2019-May-18.77891534)
3.4509e-05 TDB
period 1254.634347806289
3.44
7.4727e-06
2.046e-08
d
yr
n .2869361903166889 1.709e-09 deg/d
Q 2.804845005840258 1.1137e-08 au
  Orbit Determination Parameters
   # obs. used (total)      769  
   data-arc span      7907 days (21.65 yr)  
   first obs. used      1998-08-29  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:59:48  

Additional Information
 Earth MOID = .758937 au 
 Jupiter MOID = 2.66247 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 15.8   n/a MPO453467  
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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