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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07072485289533337 2.8754e-08  
a 2.716090842353444 1.1869e-08 au
q 2.523995717077635 7.7531e-08 au
i 5.094726073806161 4.4314e-06 deg
node 30.8405577892431 3.9513e-05 deg
peri 60.96346938283806 5.2631e-05 deg
M 76.99398024944769 3.3838e-05 deg
tp 2458650.821335905642
(2019-Jun-16.32133591)
0.00015377 TDB
period 1634.989107799398
4.48
1.0717e-05
2.934e-08
d
yr
n .2201849530878768 1.4432e-09 deg/d
Q 2.908185967629253 1.2708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      17978 days (49.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:06:04  

Additional Information
 Earth MOID = 1.54528 au 
 Jupiter MOID = 2.21887 au 
 T_jup = 3.351 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457183.5 (2015-Jun-10.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07021978014985357 2.8695e-08  
q 2.526912235514942 7.7403e-08 au
tp 2457021.571478199476
(2014-Dec-30.07147820)
0.00015579 TDB
node 30.88641329794814 3.9546e-05 deg
peri 62.38204232121387 5.2784e-05 deg
i 5.092374852667245 4.4282e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1502  
   data-arc span      17978 days (49.22 yr)  
   first obs. used      1971-03-24  
   last obs. used      2020-06-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51428  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:06:04  

Additional Information
 Jupiter MOID = 2.21887 au 
 T_jup = 3.351 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.234244962819516E-16 -2.19852343838842E-15 -3.737178221965933E-13 1.584200741998613E-15 -9.969638014121498E-14 1.040133258404399E-16
q -2.19852343838842E-15 5.991198412150527E-15 7.419635985652217E-13 -3.903320301751342E-15 2.106586859767822E-13 -1.843359508314865E-16
tp -3.737178221965933E-13 7.419635985652217E-13 2.426967164950325E-8 -3.320065306347648E-11 5.458558708878936E-9 -4.635058581855684E-12
node 1.584200741998613E-15 -3.903320301751342E-15 -3.320065306347648E-11 1.563916896899256E-9 -1.564869440403051E-9 -5.105613655302862E-11
peri -9.969638014121498E-14 2.106586859767822E-13 5.458558708878936E-9 -1.564869440403051E-9 2.786151587036842E-9 4.983110917636207E-11
i 1.040133258404399E-16 -1.843359508314865E-16 -4.635058581855684E-12 -5.105613655302862E-11 4.983110917636207E-11 1.960872469549948E-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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