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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07071756394092817 2.8765e-08  
a 2.715599313783204 1.1838e-08 au
q 2.5235587456728 7.7528e-08 au
i 5.095143726815841 4.4318e-06 deg
node 30.83914827598256 3.951e-05 deg
peri 60.81207359498521 5.2632e-05 deg
M 121.1955291913316 3.3837e-05 deg
tp 2458650.223380239331
(2019-Jun-15.72338024)
0.00015375 TDB
period 1634.545304068938
4.48
1.0688e-05
2.926e-08
d
yr
n .2202447366272675 1.4402e-09 deg/d
Q 2.907639881893608 1.2676e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51427  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:08:25  

Additional Information
 Earth MOID = 1.54453 au 
 Jupiter MOID = 2.21919 au 
 T_jup = 3.352 
[ 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 14.43   n/a E2021B10  
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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