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19355 Merpalehmann (1997 FU2)
Classification: Main-belt Asteroid          SPK-ID: 2019355
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09538926948462755 4.3625e-08  
a 3.045749013473739 1.3937e-08 au
q 2.755217240044954 1.3245e-07 au
i 10.76100031166146 4.8922e-06 deg
node 358.3523962599913 1.662e-05 deg
peri 336.2125590610268 2.5858e-05 deg
M 32.2012739660624 1.8003e-05 deg
tp 2459026.835860692717
(2020-Jun-26.33586069)
9.7351e-05 TDB
period 1941.509836427969
5.32
1.3327e-05
3.649e-08
d
yr
n .1854227020875339 1.2728e-09 deg/d
Q 3.336280786902524 1.5267e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      11834 days (32.40 yr)  
   first obs. used      1988-09-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:31  

Additional Information
 Earth MOID = 1.7482 au 
 Jupiter MOID = 2.07359 au 
 T_jup = 3.205 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457212.5 (2015-Jul-09.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09843210379723751 4.347e-08  
q 2.746494643305121 1.3277e-07 au
tp 2457090.220260818626
(2015-Mar-08.72026082)
9.799e-05 TDB
node 358.552268471509 1.6601e-05 deg
peri 337.1462987683867 2.5353e-05 deg
i 10.77078142659151 4.8942e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2315  
   data-arc span      11834 days (32.40 yr)  
   first obs. used      1988-09-19  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45941  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:52:31  

Additional Information
 Jupiter MOID = 2.07359 au 
 T_jup = 3.205 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.889679952655131E-15 -5.745257547565164E-15 7.737391005932891E-13 3.717789936060937E-15 1.156837146677747E-13 -2.013312678995972E-15
q -5.745257547565164E-15 1.762774987416388E-14 -2.829293028524738E-12 -1.250448548688866E-14 -4.413631756124014E-13 6.555877301124571E-15
tp 7.737391005932891E-13 -2.829293028524738E-12 9.602123813164431E-9 1.38077567529603E-12 1.884130723542824E-9 7.081072675985202E-13
node 3.717789936060937E-15 -1.250448548688866E-14 1.38077567529603E-12 2.75596358331056E-10 -2.700980367105504E-10 -9.426467987536034E-12
peri 1.156837146677747E-13 -4.413631756124014E-13 1.884130723542824E-9 -2.700980367105504E-10 6.427639718434519E-10 9.39981829147205E-12
i -2.013312678995972E-15 6.555877301124571E-15 7.081072675985202E-13 -9.426467987536034E-12 9.39981829147205E-12 2.395355146931326E-11

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 13.32   n/a E2021B10  
diameter diameter 8.582 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.138   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

19355 Merpalehmann           Discovered 1997 Mar. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Meredith Paloma Lehmann (b. 1995) is a finalist in the 2012 Intel Science Talent Search, a science competition for high-school seniors, for her medicine and health project. She attends the La Jolla High School, La Jolla, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120506/MPCPages.arcLast Updated: 2012-05-09

[ show close-approach data ]
Alternate Designations
 1997 FU2 = 1988 SS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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