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19893 (4524 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2019893
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307111645809025 3.4683e-08  
a 3.075243860867 1.9248e-08 au
q 2.673275154442804 1.0309e-07 au
i 2.203725022186946 3.9983e-06 deg
node 100.6875994893595 9.9519e-05 deg
peri 29.86358231294602 0.00010067 deg
M 181.5078903992599 1.5287e-05 deg
tp 2460177.139508155735
(2023-Aug-20.63950816)
8.5085e-05 TDB
period 1969.780197693438
5.39
1.8493e-05
5.063e-08
d
yr
n .1827615083254217 1.7158e-09 deg/d
Q 3.477212567291197 2.1764e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1058  
   data-arc span      17094 days (46.80 yr)  
   first obs. used      1973-09-24  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52788  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:35  

Additional Information
 Earth MOID = 1.68822 au 
 Jupiter MOID = 1.5681 au 
 T_jup = 3.215 
[ 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 14.37   n/a E2021B10  
diameter diameter 7.415 km 0.851 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19893 (4524 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4524 T-2 = 2000 SN114 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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