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192750 (1999 TB254)
Classification: Main-belt Asteroid          SPK-ID: 2192750
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06011145891022121 4.4723e-08  
a 2.795254685253206 2.1263e-08 au
q 2.627227848097004 1.2483e-07 au
i 3.897408585795497 6.7813e-06 deg
node 350.1503465563049 7.5185e-05 deg
peri 71.59280213930542 9.6272e-05 deg
M 157.8919583029374 5.9033e-05 deg
tp 2458451.834167225796
(2018-Nov-29.33416723)
0.00027936 TDB
period 1706.988137303377
4.67
1.9477e-05
5.333e-08
d
yr
n .2108977749363342 2.4064e-09 deg/d
Q 2.963281522409407 2.2541e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      7467 days (20.44 yr)  
   first obs. used      1999-10-11  
   last obs. used      2020-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57652  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:25  

Additional Information
 Earth MOID = 1.64231 au 
 Jupiter MOID = 2.22377 au 
 T_jup = 3.321 
[ 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 16.60   n/a E2021B55  
diameter diameter 2.759 km 0.370 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

192750 (1999 TB254)          Discovered 1999-Oct-11 by Spacewatch at Kitt Peak
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 1999 TB254 = 2005 UE504 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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