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100331 (1995 QV9)
Classification: Main-belt Asteroid          SPK-ID: 2100331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09622541230067594 3.6174e-08  
a 2.29475913923297 1.1422e-08 au
q 2.073944994929533 8.0145e-08 au
i 6.716951897082064 5.3464e-06 deg
node 357.0729597643612 3.4133e-05 deg
peri 255.536424673517 4.6469e-05 deg
M 252.5263219354852 2.9345e-05 deg
tp 2459775.556283613009
(2022-Jul-15.05628361)
0.00010351 TDB
period 1269.708681773857
3.48
9.4796e-06
2.595e-08
d
yr
n .2835296042057923 2.1168e-09 deg/d
Q 2.515573283536406 1.2521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      9279 days (25.40 yr)  
   first obs. used      1995-08-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:41  

Additional Information
 Earth MOID = 1.07247 au 
 Jupiter MOID = 2.52689 au 
 T_jup = 3.580 
[ 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 16.47   n/a MPCxxxxx  

100331 (1995 QV9)          Discovered 1995-Aug-23 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1995 QV9 = 1995 UA40 = 2002 TR86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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