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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2799476719783867 2.4046e-08  
a 2.309044617511484 6.7145e-09 au
q 1.66263295234492 5.6339e-08 au
i 9.293934046708415 8.8451e-07 deg
node 101.3963197155724 7.5845e-06 deg
peri 209.9973128542374 7.4082e-06 deg
M 104.813795399669 2.8487e-06 deg
tp 2458827.367686530370
(2019-Dec-09.86768653)
9.1537e-06 TDB
period 1281.583519963737
3.51
5.5901e-06
1.53e-08
d
yr
n .2809024885168516 1.2253e-09 deg/d
Q 2.955456282678048 8.5943e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2669  
   data-arc span      16912 days (46.30 yr)  
   first obs. used      1974-11-15  
   last obs. used      2021-03-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .43544  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 03:15:08  

Additional Information
 Earth MOID = .653181 au 
 Jupiter MOID = 2.33837 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. 2020-October); 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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