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22794 Lindsayleona (1999 NH4)
Classification: Main-belt Asteroid          SPK-ID: 2022794
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446835464840177 3.1745e-08  
a 2.22628490127769 6.0717e-09 au
q 1.904178106277013 7.1799e-08 au
i 2.975445073759469 3.6186e-06 deg
node 197.19852727332 5.3402e-05 deg
peri 210.6281714538795 5.4649e-05 deg
M 82.05792687906332 1.0773e-05 deg
tp 2458923.941138821048
(2020-Mar-15.44113882)
3.6044e-05 TDB
period 1213.30374542798
3.32
4.9635e-06
1.359e-08
d
yr
n .2967105321784149 1.2138e-09 deg/d
Q 2.548391696278367 6.9501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      8944 days (24.49 yr)  
   first obs. used      1996-09-18  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48915  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:13:11  

Additional Information
 Earth MOID = .913693 au 
 Jupiter MOID = 2.80964 au 
 T_jup = 3.630 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO526175  
rotation period rot_per 1.0 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, M.; Trilling, D.E.; et al. (2018) Ap. J. Suppl. Series 237, A19.]
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

22794 Lindsayleona           Discovered 1999 July 13 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Lindsey Leona Precht (b. 1993) is a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her botany and zoology project. She attends the Miami Lakes Middle School, Miami, Florida.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061009/MPCPages.arcLast Updated: 2006-10-14

Alternate Designations
 1999 NH4 = 1996 WM3 = 1998 FW74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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