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JPL Small-Body Database Browser
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201231 (2002 QV128)
Classification: Main-belt Asteroid          SPK-ID: 2201231
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201070448210837 4.1145e-08  
a 3.184538866244197 3.08e-08 au
q 2.802053313901722 1.4172e-07 au
i 7.153722836942646 4.7687e-06 deg
node 138.0046493121132 3.5329e-05 deg
peri 255.0909743017423 4.0165e-05 deg
M 284.3640717883799 1.9701e-05 deg
tp 2459036.607843455635
(2020-Jul-06.10784346)
0.00011528 TDB
period 2075.717550590045
5.68
3.0114e-05
8.245e-08
d
yr
n .1734340011229689 2.5161e-09 deg/d
Q 3.567024418586672 3.45e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      7539 days (20.64 yr)  
   first obs. used      1999-01-15  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61318  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 03:59:37  

Additional Information
 Earth MOID = 1.81822 au 
 Jupiter MOID = 1.91387 au 
 T_jup = 3.175 
[ 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 MPO494129  
diameter diameter 4.486 km 1.249 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.046   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201231 (2002 QV128)          Discovered 2002-Aug-29 by NEAT at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2002 QV128 = 2005 CE80 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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