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22725 Drabble (1998 SN62)
Classification: Main-belt Asteroid          SPK-ID: 2022725
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1486077435297841 3.5459e-08  
a 2.369572156141198 6.5324e-09 au
q 2.017435384886049 8.3477e-08 au
i 5.253460586758875 3.4031e-06 deg
node 257.9925224748362 4.1745e-05 deg
peri 104.6954765892349 4.347e-05 deg
M 36.49896799611043 1.0994e-05 deg
tp 2459065.422996418584
(2020-Aug-03.92299642)
4.0717e-05 TDB
period 1332.30400636237
3.65
5.5093e-06
1.508e-08
d
yr
n .2702085997496315 1.1174e-09 deg/d
Q 2.721708927396347 7.5032e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1774  
   data-arc span      12227 days (33.48 yr)  
   first obs. used      1987-09-18  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47102  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:10:31  

Additional Information
 Earth MOID = 1.02124 au 
 Jupiter MOID = 2.76366 au 
 T_jup = 3.525 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.64   n/a E2021B10  
diameter diameter 3.612 km 0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22725 Drabble           Discovered 1998 Sept. 19 by the Lowell Observatory Near-Earth Object Search at the Anderson Mesa Station.
English writer Margaret Drabble (b. 1939) has, among other works, published seventeen novels, has edited The Oxford Companion to English literature and is a biographer of Arnold Bennett and Angus Wilson. She became a Dame Commander of the Order of the British Empire in 2008.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20100130/MPCPages.arcLast Updated: 2013-03-29

Alternate Designations
 1998 SN62 = 1987 SC21 = 1994 NA2 = 2000 CX49 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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