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22601 (1998 HD124)
Classification: Mars-crossing Asteroid          SPK-ID: 2022601
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2799734032519734 3.0318e-08  
a 2.30860919104948 7.3026e-09 au
q 1.662260019052572 7.1516e-08 au
i 9.29420632347675 3.2231e-06 deg
node 101.395110723954 2.4486e-05 deg
peri 209.9604635235182 2.539e-05 deg
M 48.66276527719815 8.6835e-06 deg
tp 2458827.311783110264
(2019-Dec-09.81178311)
3.0691e-05 TDB
period 1281.221026490233
3.51
6.0792e-06
1.664e-08
d
yr
n .2809819637335964 1.3332e-09 deg/d
Q 2.954958363046388 9.3472e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2324  
   data-arc span      16375 days (44.83 yr)  
   first obs. used      1974-11-15  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45414  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:34:20  

Additional Information
 Earth MOID = .654757 au 
 Jupiter MOID = 2.33891 au 
 T_jup = 3.516 
[ 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 13.4   n/a MPO492985  
rotation period rot_per 11.8785 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2012) http://www.asu.cas.cz/~ppravec/neo.htm]
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]

22601 (1998 HD124)          Discovered 1998-Apr-23 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 HD124 = 1935 KD = 1974 VQ1 = 2000 AG163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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