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20925 (9596 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2020925
[ 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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2046517168392905 3.8412e-08  
a 3.171646053832248 1.9978e-08 au
q 2.522563243708918 1.1904e-07 au
i 9.740135695125295 4.4873e-06 deg
node 175.7739836752397 2.4789e-05 deg
peri 270.7528927354697 2.722e-05 deg
M 214.4373877194303 1.2168e-05 deg
tp 2460034.705098925390
(2023-Mar-31.20509893)		 7.4432e-05 TDB
period 2063.124801815798
5.65		 1.9494e-05
5.337e-08		 d
yr
n .1744925947684583 1.6487e-09 deg/d
Q 3.820728863955579 2.4067e-08 au
   Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      21795 days (59.67 yr)  
   first obs. used      1960-10-17  
   last obs. used      2020-06-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53424  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:34:54  

Additional Information
 Earth MOID = 1.56163 au 
 Jupiter MOID = 1.58271 au 
 T_jup = 3.147 
[ 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 14.31   n/a E2021B10  
diameter diameter 8.172 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20925 (9596 P-L)          Discovered 1960-Oct-22 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 9596 P-L = 1999 RD80 = 2000 UW75 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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