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66815 (1999 UQ13)
Classification: Main-belt Asteroid          SPK-ID: 2066815
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0372414368028574 3.9495e-08  
a 2.753881424261074 1.4728e-08 au
q 2.651322923236892 1.1028e-07 au
i 3.766688915529422 3.8811e-06 deg
node 274.0581983888491 7.9375e-05 deg
peri 131.5112079557292 0.00010438 deg
M 196.6230404418685 6.811e-05 deg
tp 2459958.038292326059
(2023-Jan-13.53829233)
0.00031724 TDB
period 1669.230385820384
4.57
1.339e-05
3.666e-08
d
yr
n .2156682523024341 1.7301e-09 deg/d
Q 2.856439925285255 1.5276e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1267  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48865  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:25:06  

Additional Information
 Earth MOID = 1.66134 au 
 Jupiter MOID = 2.29906 au 
 T_jup = 3.340 
[ 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 14.44   n/a MPCxxxxx  
diameter diameter 3.316 km 0.276 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.336   0.112 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66815 (1999 UQ13)          Discovered 1999-Oct-29 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 UQ13 = 2000 YP61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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