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22028 (1999 XP125)
Classification: Main-belt Asteroid          SPK-ID: 2022028
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1790696897928322 3.5479e-08  
a 2.296967365107117 8.3867e-09 au
q 1.885650131573126 8.0882e-08 au
i 5.327179928537518 4.3581e-06 deg
node 334.4032834192176 4.3079e-05 deg
peri 309.118300117129 4.4954e-05 deg
M 141.2110043552317 1.5454e-05 deg
tp 2458701.734155497388
(2019-Aug-06.23415550)
5.3655e-05 TDB
period 1271.541866307023
3.48
6.964e-06
1.907e-08
d
yr
n .2831208389901929 1.5506e-09 deg/d
Q 2.708284598641107 9.8885e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2112  
   data-arc span      14411 days (39.46 yr)  
   first obs. used      1981-09-02  
   last obs. used      2021-02-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40732  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:07  

Additional Information
 Earth MOID = .872879 au 
 Jupiter MOID = 2.46098 au 
 T_jup = 3.567 
[ 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 14.63   n/a E2021B10  
rotation period rot_per 17.4444 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

22028 (1999 XP125)          Discovered 1999-Dec-07 by CSS at Catalina
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XP125 = 1981 RH3 = 1998 JX1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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