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JPL Small-Body Database Browser
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172773 (2004 EQ15)
Classification: Main-belt Asteroid          SPK-ID: 2172773
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08424227125060725 6.8962e-08  
a 2.697017935295738 2.0904e-08 au
q 2.469815018822802 1.8651e-07 au
i 2.565800486883458 5.765e-06 deg
node 301.4683791970234 0.00013564 deg
peri 188.4229336797247 0.00014038 deg
M 265.9133719971722 3.8219e-05 deg
tp 2459423.314217021528
(2021-Jul-27.81421702)
0.0001743 TDB
period 1617.797569737277
4.43
1.8808e-05
5.149e-08
d
yr
n .222524750150578 2.5871e-09 deg/d
Q 2.924220851768675 2.2665e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      9501 days (26.01 yr)  
   first obs. used      1993-10-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64927  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:43:06  

Additional Information
 Earth MOID = 1.48462 au 
 Jupiter MOID = 2.10943 au 
 T_jup = 3.363 
[ 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 15.9   n/a MPO454185  
diameter diameter 3.413 km 1.189 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

172773 (2004 EQ15)          Discovered 2004-Mar-12 by NEAT at Palomar
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 EQ15 = 1993 UA10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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