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22030 (1999 XU127)
Classification: Main-belt Asteroid          SPK-ID: 2022030
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09913454277376414 3.0561e-08  
a 2.430081461402221 7.4797e-09 au
q 2.189176446823112 7.4945e-08 au
i 5.458839892369074 3.4504e-06 deg
node 157.9868522559124 3.2763e-05 deg
peri 61.37982199902592 3.6951e-05 deg
M 52.06832877160232 1.6136e-05 deg
tp 2459000.375245126239
(2020-May-30.87524513)
6.2097e-05 TDB
period 1383.660921221013
3.79
6.3883e-06
1.749e-08
d
yr
n .2601793506477856 1.2012e-09 deg/d
Q 2.670986475981331 8.2212e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2046  
   data-arc span      11562 days (31.66 yr)  
   first obs. used      1989-01-09  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51317  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:58:12  

Additional Information
 Earth MOID = 1.18703 au 
 Jupiter MOID = 2.30311 au 
 T_jup = 3.495 
[ 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 14.21   n/a E2021B10  
rotation period rot_per 93.6417 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.]

22030 (1999 XU127)          Discovered 1999-Dec-07 by Crni Vrh at Crni Vrh
Reference: 20010208/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XU127 = 1989 AU9 = 1998 QN11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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