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100293 (1995 DY7)
Classification: Main-belt Asteroid          SPK-ID: 2100293
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1991735403561408 3.5733e-08  
a 2.6403418508755 1.5142e-08 au
q 2.114455616686141 9.3448e-08 au
i 18.0127994286036 4.5812e-06 deg
node 163.726685186944 1.5022e-05 deg
peri 156.0353797461947 1.9539e-05 deg
M 224.0722136802808 1.4923e-05 deg
tp 2459792.190245488245
(2022-Jul-31.69024549)
6.7609e-05 TDB
period 1567.070973073492
4.29
1.348e-05
3.691e-08
d
yr
n .2297279486288568 1.9761e-09 deg/d
Q 3.166228085064859 1.8157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:53  

Additional Information
 Earth MOID = 1.11179 au 
 Jupiter MOID = 2.26053 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457113.5 (2015-Apr-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2008917256884901 3.5967e-08  
q 2.10858676628586 9.4217e-08 au
tp 2456655.326225447597
(2013-Dec-28.82622545)
5.6216e-05 TDB
node 163.786976556535 1.5013e-05 deg
peri 155.4952551595803 1.9398e-05 deg
i 18.02270791092437 4.5826e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      564  
   data-arc span      9458 days (25.89 yr)  
   first obs. used      1995-02-24  
   last obs. used      2021-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5516  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:53  

Additional Information
 Jupiter MOID = 2.26053 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.293613922590868E-15 -3.3616123433456E-15 3.093387330814145E-13 1.145340056614559E-14 5.263688267612946E-14 3.318588463538937E-16
q -3.3616123433456E-15 8.876770431272218E-15 -6.897859150513189E-13 -2.873502423136633E-14 -1.042528674301969E-13 -2.809849513278828E-16
tp 3.093387330814145E-13 -6.897859150513189E-13 3.16020069784618E-9 1.9904626039443E-11 7.151199146978261E-10 5.263962289920845E-12
node 1.145340056614559E-14 -2.873502423136633E-14 1.9904626039443E-11 2.253825155292831E-10 -2.095426425370732E-10 1.101899968164588E-11
peri 5.263688267612946E-14 -1.042528674301969E-13 7.151199146978261E-10 -2.095426425370732E-10 3.762927615735559E-10 -9.339955053266759E-12
i 3.318588463538937E-16 -2.809849513278828E-16 5.263962289920845E-12 1.101899968164588E-11 -9.339955053266759E-12 2.10005556063757E-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 15.5   n/a MPO453457  

100293 (1995 DY7)          Discovered 1995-Feb-24 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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