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216856 (2007 YU61)
Classification: Main-belt Asteroid          SPK-ID: 2216856
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605143903260597 5.008e-08  
a 3.064763528947626 4.1762e-08 au
q 2.572824879605054 1.633e-07 au
i 11.81659155281697 9.1305e-06 deg
node 126.320916094459 3.0425e-05 deg
peri 118.5648666101749 4.3107e-05 deg
M 52.13961654570999 2.9048e-05 deg
tp 2458916.669400012038
(2020-Mar-08.16940001)
0.0001574 TDB
period 1959.719360538212
5.37
4.0056e-05
1.097e-07
d
yr
n .1836997721455028 3.7548e-09 deg/d
Q 3.556702178290197 4.8465e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7209 days (19.74 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56672  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:33  

Additional Information
 Earth MOID = 1.58282 au 
 Jupiter MOID = 1.64676 au 
 T_jup = 3.181 
[ 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 16.05   n/a E2021B55  
diameter diameter 4.323 km 0.937 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216856 (2007 YU61)          Discovered 2007-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Alternate Designations
 2007 YU61 = 2000 TQ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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