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100399 (1995 YM7)
Classification: Main-belt Asteroid          SPK-ID: 2100399
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0308225459244361 3.4566e-08  
a 2.939348367457079 1.8795e-08 au
q 2.848750167413217 1.0205e-07 au
i 3.363797734242056 4.0369e-06 deg
node 155.3156568048944 6.7213e-05 deg
peri 215.3882556252535 0.00010544 deg
M 39.78377906912328 7.8664e-05 deg
tp 2458997.087071544864
(2020-May-27.58707154)
0.000403 TDB
period 1840.666119641782
5.04
1.7655e-05
4.834e-08
d
yr
n .1955813692436849 1.8759e-09 deg/d
Q 3.029946567500941 1.9374e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      9157 days (25.07 yr)  
   first obs. used      1995-12-16  
   last obs. used      2021-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:25:09  

Additional Information
 Earth MOID = 1.8461 au 
 Jupiter MOID = 2.10539 au 
 T_jup = 3.270 
[ 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 15.6   n/a MPO449610  

100399 (1995 YM7)          Discovered 1995-Dec-16 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 YM7 = 2002 CS131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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