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21924 Alyssaovaitt (1999 VN53)
Classification: Main-belt Asteroid          SPK-ID: 2021924
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07117643338150242 3.1432e-08  
a 2.542273781814789 9.8906e-09 au
q 2.361323801345908 8.1304e-08 au
i 5.046867129716621 3.9247e-06 deg
node 28.3400177112112 3.3181e-05 deg
peri 231.7830604419591 4.1541e-05 deg
M 253.3185008907826 2.5345e-05 deg
tp 2459835.251398664752
(2022-Sep-12.75139866)
0.00010468 TDB
period 1480.580089689267
4.05
8.6402e-06
2.366e-08
d
yr
n .2431479408017394 1.4189e-09 deg/d
Q 2.723223762283669 1.0595e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1618  
   data-arc span      9334 days (25.56 yr)  
   first obs. used      1995-10-22  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48263  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 18:37:44  

Additional Information
 Earth MOID = 1.35036 au 
 Jupiter MOID = 2.30599 au 
 T_jup = 3.436 
[ 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 14.68   n/a MPCxxxxx  
diameter diameter 3.333 km 0.247 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

21924 Alyssaovaitt           Discovered 1999 Nov. 4 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Alyssa Kurtz Ovaitt (b. 1992) is a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for her engineering project. She attends the West Platte Middle School, Weston, Missouri.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20051019/MPCPages.arcLast Updated: 2005-10-26

Alternate Designations
 1999 VN53 = 1997 EB33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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