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JPL Small-Body Database Browser
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20923 (6846 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2020923
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09969747389938084 3.9044e-08  
a 3.137468216747263 2.1247e-08 au
q 2.824670561097966 1.1992e-07 au
i 5.59688673725938 4.4416e-06 deg
node 148.0153986861667 5.3749e-05 deg
peri 316.6481249823147 6.0191e-05 deg
M 123.034995278376 2.7475e-05 deg
tp 2457906.765032481579
(2017-Jun-02.26503248)
0.00015339 TDB
period 2029.866281065524
5.56
2.062e-05
5.645e-08
d
yr
n .1773515838742972 1.8016e-09 deg/d
Q 3.45026587239656 2.3365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      773  
   data-arc span      21465 days (58.77 yr)  
   first obs. used      1960-09-24  
   last obs. used      2019-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 04:25:45  

Additional Information
 Earth MOID = 1.84496 au 
 Jupiter MOID = 1.66993 au 
 T_jup = 3.196 
[ 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 14.4   n/a MPO492971  
diameter diameter 6.841 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20923 (6846 P-L)          Discovered 1960-Sep-24 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
 6846 P-L = 1999 TG162 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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