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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446859645913935 1.5316e-08  
a 2.341767133985974 6.492e-09 au
q 2.00294629735679 3.5418e-08 au
i 4.50208108054767 4.4318e-07 deg
node 125.503867943455 1.5802e-05 deg
peri 73.19942788384525 1.7938e-05 deg
M 133.0961843252036 6.4255e-06 deg
tp 2458716.576078398338
(2019-Aug-21.07607840)
2.2841e-05 TDB
period 1308.922661155574
3.58
5.443e-06
1.49e-08
d
yr
n .275035348293364 1.1437e-09 deg/d
Q 2.680587970615158 7.4313e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2224  
   data-arc span      16384 days (44.86 yr)  
   first obs. used      1976-02-27  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43498  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-16 22:47:16  

Additional Information
 Earth MOID = 1.00581 au 
 Jupiter MOID = 2.28156 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 14.23   n/a E2021B10  
rotation period rot_per 4.118 h n/a LCDB (Rev. 2020-October); 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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