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249548 (2010 HT107)
Classification: Main-belt Asteroid          SPK-ID: 2249548
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109137188330901 6.6045e-08  
a 2.65559652849227 2.944e-08 au
q 2.095494788947721 1.785e-07 au
i 15.32941238927525 8.558e-06 deg
node 51.40620508217397 2.7396e-05 deg
peri 267.9107005295466 3.3386e-05 deg
M 50.07912325434688 1.9331e-05 deg
tp 2458780.614910100155
(2019-Oct-24.11491010)
8.4071e-05 TDB
period 1580.6712901483
4.33
2.6285e-05
7.196e-08
d
yr
n .2277513371968845 3.7873e-09 deg/d
Q 3.215698268036819 3.565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      290  
   data-arc span      8105 days (22.19 yr)  
   first obs. used      1997-05-07  
   last obs. used      2019-07-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63609  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 03:16:56  

Additional Information
 Earth MOID = 1.14973 au 
 Jupiter MOID = 2.28488 au 
 T_jup = 3.306 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO437159  
diameter diameter 2.351 km 0.574 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.168   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249548 (2010 HT107)          Discovered 2010-Apr-25 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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