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152545 (4473 T-2)
Classification: Main-belt Asteroid          SPK-ID: 2152545
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1532149559167217 4.5249e-08  
a 2.524743209812472 1.4773e-08 au
q 2.137914790220012 1.1814e-07 au
i 3.119631735103125 4.645e-06 deg
node 39.10016511330308 9.0359e-05 deg
peri 2.035573621109304 9.2147e-05 deg
M 253.7666181616787 2.1544e-05 deg
tp 2459632.897079959400
(2022-Feb-22.39707996)
9.0001e-05 TDB
period 1465.292228221544
4.01
1.2861e-05
3.521e-08
d
yr
n .2456847808692329 2.1564e-09 deg/d
Q 2.911571629404932 1.7037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      17094 days (46.80 yr)  
   first obs. used      1973-09-25  
   last obs. used      2020-07-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59952  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:27:34  

Additional Information
 Earth MOID = 1.14516 au 
 Jupiter MOID = 2.49074 au 
 T_jup = 3.436 
[ 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 16.86   n/a E2021B55  

152545 (4473 T-2)          Discovered 1973-Sep-30 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

[ show close-approach data ]
Alternate Designations
 4473 T-2 = 2001 SD195 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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