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18202 (2757 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2018202
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2320407784182833 4.1373e-08  
a 3.1625161742521 1.658e-08 au
q 2.428683459418231 1.3416e-07 au
i 1.409345207772426 4.867e-06 deg
node 37.78925026469223 0.00015548 deg
peri 308.452728615565 0.00015576 deg
M 260.0428163332469 1.1427e-05 deg
tp 2459966.873146257625
(2023-Jan-22.37314626)
6.7301e-05 TDB
period 2054.222869436862
5.62
1.6155e-05
4.423e-08
d
yr
n .1752487548241001 1.3782e-09 deg/d
Q 3.896348889085969 2.0427e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      22152 days (60.65 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-05-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54387  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:59:07  

Additional Information
 Earth MOID = 1.42122 au 
 Jupiter MOID = 1.52911 au 
 T_jup = 3.162 
[ 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 14.21   n/a E2021B10  
diameter diameter 7.461 km 0.277 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18202 (2757 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2757 P-L = 1977 RS13 = 1994 PW28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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