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48551 (1993 TR28)
Classification: Main-belt Asteroid          SPK-ID: 2048551
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05838036167761942 3.449e-08  
a 2.718424173549253 1.2628e-08 au
q 2.559721587104264 9.8316e-08 au
i 3.686779200241386 3.3749e-06 deg
node 152.3499736440005 6.5402e-05 deg
peri 303.4951892371046 7.5185e-05 deg
M 359.3984062205059 3.7897e-05 deg
tp 2459399.235741750712
(2021-Jul-03.73574175)
0.00017233 TDB
period 1637.096432553645
4.48
1.1407e-05
3.123e-08
d
yr
n .2199015237229792 1.5322e-09 deg/d
Q 2.877126759994243 1.3365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      858  
   data-arc span      10892 days (29.82 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54236  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:09:56  

Additional Information
 Earth MOID = 1.57896 au 
 Jupiter MOID = 2.20888 au 
 T_jup = 3.354 
[ 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 15.39   n/a E2021B10  
diameter diameter 3.259 km 0.880 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.115   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

48551 (1993 TR28)          Discovered 1993-Oct-09 by Elst, E. W. at La Silla
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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