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100173 (1993 XZ)
Classification: Main-belt Asteroid          SPK-ID: 2100173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2040426045972644 5.9135e-08  
a 2.387691597349798 9.4053e-09 au
q 1.900500784851543 1.39e-07 au
i 3.194771852935746 4.8046e-06 deg
node 74.6825743901709 7.6716e-05 deg
peri 311.0346241017436 7.7316e-05 deg
M 151.1516846524456 1.0147e-05 deg
tp 2458634.682644395409
(2019-May-31.18264440)
3.6592e-05 TDB
period 1347.614804863223
3.69
7.9625e-06
2.18e-08
d
yr
n .2671386502291643 1.5784e-09 deg/d
Q 2.874882409848054 1.1324e-08 au
  Orbit Determination Parameters
   # obs. used (total)      731  
   data-arc span      9922 days (27.16 yr)  
   first obs. used      1993-12-11  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54749  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:30:57  

Additional Information
 Earth MOID = .905372 au 
 Jupiter MOID = 2.57787 au 
 T_jup = 3.503 
[ 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 16.2   n/a MPO406771  

100173 (1993 XZ)          Discovered 1993-Dec-11 by Kobayashi, T. at Oizumi
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1976-Feb-17 21:59 00:02 Amphi 0.0454241139866808 0.0454192047632599 0.0454290234145632 2.95933855347716 2.95933851071182 2442826.415858974 1.86341687785547 289.52943691356 49.8233160686424 -32.9202977601009 76624.2347507686 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:58 2021-Apr-13 15:30
2059-Aug-16 11:58 < 00:01 Hebe 0.04232738384648 0.0423151799366819 0.0423395878601399 5.31838906278869 5.31838903517299 2473321.998926383 0.734142032511117 617.310784363418 41.7571285290985 -9.79631750029568 27698.5363986875 T 19 CATAB v2.0f-lin.ifort 2021-Apr-13 15:30:58 2021-Apr-13 15:30

Alternate Designations
 1993 XZ = 2000 QY136 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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