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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
9.7351e-05 TDB
period 1941.509836427969
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 
[ 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 13.32   n/a E2021B10  
diameter diameter 8.582 km 0.737 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  
geometric albedo albedo 0.138   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1943-Sep-04 14:04 < 00:01 Cybel 0.00561986552480119 0.00561153887046503 0.0056282082331622 4.34892032511533 4.34892007622466 2430972.086048353 0.879817420367744 632.180364212687 46.8916996383834 49.0977461455467 13571.1316972535 T 28 CATAB v2.0f-lin.ifort 2021-Apr-13 02:52:38 2021-Apr-13 02:52

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