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66262 (1999 GY49)
Classification: Main-belt Asteroid          SPK-ID: 2066262
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1276841082382432 3.3613e-08  
a 2.41315433474775 9.8398e-09 au
q 2.105032875474232 8.111e-08 au
i 2.256665126483062 4.3557e-06 deg
node 348.2134667102687 9.1066e-05 deg
peri 260.5176680004179 9.2636e-05 deg
M 240.0392407043232 1.8679e-05 deg
tp 2459656.760402878442
(2022-Mar-18.26040288)
7.1875e-05 TDB
period 1369.228954539959
3.75
8.3747e-06
2.293e-08
d
yr
n .2629216967741927 1.6081e-09 deg/d
Q 2.721275794021267 1.1096e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1017  
   data-arc span      8993 days (24.62 yr)  
   first obs. used      1996-07-21  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:20:37  

Additional Information
 Earth MOID = 1.09105 au 
 Jupiter MOID = 2.30682 au 
 T_jup = 3.506 
[ 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 15.71   n/a MPCxxxxx  
diameter diameter 4.362 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66262 (1999 GY49)          Discovered 1999-Apr-10 by LONEOS at Anderson Mesa
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GY49 = 1999 GR61 = 2000 QS210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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