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11723 (1998 HT125)
Classification: Main-belt Asteroid          SPK-ID: 2011723
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1442258939089885 2.8965e-08  
a 2.342800672842229 7.3178e-09 au
q 2.004908151550979 6.8944e-08 au
i 4.501217793388568 3.5073e-06 deg
node 125.5020790323548 4.1761e-05 deg
peri 73.3442864204853 4.3526e-05 deg
M 77.99617230956918 1.2546e-05 deg
tp 2458716.726245450521
(2019-Aug-21.22624545)
4.533e-05 TDB
period 1309.789296227796
3.59
6.1367e-06
1.68e-08
d
yr
n .2748533684286495 1.2878e-09 deg/d
Q 2.680693194133479 8.3732e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1911  
   data-arc span      16181 days (44.30 yr)  
   first obs. used      1976-02-27  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:18:49  

Additional Information
 Earth MOID = 1.00848 au 
 Jupiter MOID = 2.28261 au 
 T_jup = 3.545 
[ 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 14.2   n/a MPO337357  
rotation period rot_per 4.118 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

11723 (1998 HT125)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HT125 = 1976 DH1 = 1988 RO14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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