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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456744.5 (2014-Mar-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2117751575987956 6.6173e-08  
q 2.092631448202752 1.792e-07 au
tp 2457201.850547292451
(2015-Jun-28.35054729)
8.2819e-05 TDB
node 51.4229741559907 2.7387e-05 deg
peri 268.3389031423599 3.3324e-05 deg
i 15.33528307930404 8.5636e-06 deg
  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
 Jupiter MOID = 2.28488 au 
 T_jup = 3.306 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.378886541737712E-15 -1.175788663197919E-14 1.861120259119924E-12 -1.379766788853325E-14 5.497513743651656E-13 -2.469325327527838E-15
q -1.175788663197919E-14 3.211364864163079E-14 -5.193592337069006E-12 3.579125130315754E-14 -1.557708810601696E-12 9.070246388225708E-15
tp 1.861120259119924E-12 -5.193592337069006E-12 6.858924057128967E-9 -1.773861242057348E-12 1.614925962275323E-9 1.054116982609238E-12
node -1.379766788853325E-14 3.579125130315754E-14 -1.773861242057348E-12 7.500522463128149E-10 -7.239720882073008E-10 -9.193867223001702E-11
peri 5.497513743651656E-13 -1.557708810601696E-12 1.614925962275323E-9 -7.239720882073008E-10 1.11049486767447E-9 8.855453615492044E-11
i -2.469325327527838E-15 9.070246388225708E-15 1.054116982609238E-12 -9.193867223001702E-11 8.855453615492044E-11 7.333576381890861E-11

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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