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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457011.5 (2014-Dec-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2038965715053156 5.9244e-08  
q 1.901203389170153 1.3933e-07 au
tp 2457283.867039518076
(2015-Sep-18.36703952)
3.424e-05 TDB
node 74.75152262285219 7.6817e-05 deg
peri 310.4358375544414 7.7416e-05 deg
i 3.1932160157167 4.7992e-06 deg
  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
 Jupiter MOID = 2.57787 au 
 T_jup = 3.503 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.509903276403802E-15 -8.243703257326666E-15 4.492078082142476E-13 -2.574720970579941E-14 1.852988423765648E-15 -2.421690301596409E-15
q -8.243703257326666E-15 1.941195883209923E-14 -1.022179689596225E-12 5.99104079726891E-14 7.845826283891454E-16 5.672052251485051E-15
tp 4.492078082142476E-13 -1.022179689596225E-12 1.172389300719778E-9 -5.988485742218588E-12 3.378074527355107E-10 -1.147547230075512E-12
node -2.574720970579941E-14 5.99104079726891E-14 -5.988485742218588E-12 5.900891484993314E-9 -5.891461945805655E-9 -1.15233893848901E-10
peri 1.852988423765648E-15 7.845826283891454E-16 3.378074527355107E-10 -5.891461945805655E-9 5.993239840749235E-9 1.148361499880816E-10
i -2.421690301596409E-15 5.672052251485051E-15 -1.147547230075512E-12 -1.15233893848901E-10 1.148361499880816E-10 2.303213766014427E-11

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

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