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100678 (1997 XV9)
Classification: Main-belt Asteroid          SPK-ID: 2100678
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2488457859298113 6.1856e-08  
a 2.607036549633512 1.2609e-08 au
q 1.958286490492217 1.5773e-07 au
i 12.35556081234907 6.0228e-06 deg
node 51.12373101202067 2.4391e-05 deg
peri 293.139277177289 2.7409e-05 deg
M 177.122661694689 1.6162e-05 deg
tp 2458244.031696056144
(2018-May-05.53169606)		 6.566e-05 TDB
period 1537.51409793744
4.21		 1.1155e-05
3.054e-08		 d
yr
n .2341441945039311 1.6987e-09 deg/d
Q 3.255786608774807 1.5747e-08 au
   Orbit Determination Parameters
   # obs. used (total)      467  
   data-arc span      8132 days (22.26 yr)  
   first obs. used      1997-11-19  
   last obs. used      2020-02-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48772  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:51  

Additional Information
 Earth MOID = .990302 au 
 Jupiter MOID = 2.29797 au 
 T_jup = 3.335 
[ 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 15.69   n/a E2021B55  

100678 (1997 XV9)          Discovered 1997-Dec-04 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1997 XV9 = 2001 UJ29 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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