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118761 (2000 QB220)
Classification: Main-belt Asteroid          SPK-ID: 2118761
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .235285179991394 4.4666e-08  
a 2.722111863759681 1.4824e-08 au
q 2.081639283938275 1.2379e-07 au
i 2.699986601520321 5.5073e-06 deg
node 286.9175301707141 0.00010614 deg
peri 95.47447459469643 0.00010703 deg
M 107.1591899131906 1.2274e-05 deg
tp 2458512.202725246464
(2019-Jan-28.70272525)
5.4334e-05 TDB
period 1640.428777538144
4.49
1.34e-05
3.669e-08
d
yr
n .2194548187213992 1.7927e-09 deg/d
Q 3.362584443581086 1.8312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      554  
   data-arc span      15070 days (41.26 yr)  
   first obs. used      1978-11-01  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57438  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 06:01:42  

Additional Information
 Earth MOID = 1.08699 au 
 Jupiter MOID = 2.11517 au 
 T_jup = 3.316 
[ 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 16.0   n/a MPO459560  
diameter diameter 3.763 km 0.774 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.054   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  

118761 (2000 QB220)          Discovered 2000-Aug-21 by LONEOS at Anderson Mesa
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 QB220 = 1978 VE1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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