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19881 (2288 T-1)
Classification: Main-belt Asteroid          SPK-ID: 2019881
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07072485168084801 2.8946e-08  
a 2.716090842824334 1.1935e-08 au
q 2.523995720813874 7.82e-08 au
i 5.094725973175499 4.4531e-06 deg
node 30.84055712885564 3.9698e-05 deg
peri 60.96347082594809 5.2821e-05 deg
M 76.99397927199431 3.3942e-05 deg
tp 2458650.821340253944
(2019-Jun-16.32134025)
0.00015422 TDB
period 1634.989108224586
4.48
1.0776e-05
2.95e-08
d
yr
n .2201849530306164 1.4513e-09 deg/d
Q 2.908185964834795 1.2779e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1479  
   data-arc span      17933 days (49.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:52  

Additional Information
 Earth MOID = 1.54528 au 
 Jupiter MOID = 2.21887 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457135.5 (2015-Apr-23.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07009428207440402 2.889e-08  
q 2.526967494496038 7.8043e-08 au
tp 2457021.570383238557
(2014-Dec-30.07038324)
0.0001564 TDB
node 30.89466401556937 3.9735e-05 deg
peri 62.37621993705122 5.3016e-05 deg
i 5.092280409960506 4.4496e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1479  
   data-arc span      17933 days (49.10 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51467  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:06:52  

Additional Information
 Jupiter MOID = 2.21887 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.34657642662347E-16 -2.231881195844714E-15 -4.085453428005614E-13 1.677480890565312E-15 -1.067115712977346E-13 1.223995114976721E-16
q -2.231881195844714E-15 6.090754488377117E-15 8.479191051052199E-13 -4.021844584837156E-15 2.318639823641636E-13 -1.976277605067789E-16
tp -4.085453428005614E-13 8.479191051052199E-13 2.446242373887379E-8 -3.549702100329288E-11 5.501627734607633E-9 -4.868389725915457E-12
node 1.677480890565312E-15 -4.021844584837156E-15 -3.549702100329288E-11 1.578899833319931E-9 -1.580291312450265E-9 -4.936207258133953E-11
peri -1.067115712977346E-13 2.318639823641636E-13 5.501627734607633E-9 -1.580291312450265E-9 2.810685257196371E-9 4.809102873153211E-11
i 1.223995114976721E-16 -1.976277605067789E-16 -4.868389725915457E-12 -4.936207258133953E-11 4.809102873153211E-11 1.979912837427712E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4   n/a MPO365490  
diameter diameter 4.177 km 0.460 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.160   0.036 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19881 (2288 T-1)          Discovered 1971-Mar-25 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2288 T-1 = 1982 TV = 1998 HR30 = 2000 SL115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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