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22003 Startek (1999 XO42)
Classification: Main-belt Asteroid          SPK-ID: 2022003
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05646075606845073 3.8362e-08  
a 2.935049659463203 1.3098e-08 au
q 2.769334536591461 1.1512e-07 au
i 1.459993433459716 3.6281e-06 deg
node 7.393140102268206 0.00014064 deg
peri 133.7593398036815 0.00014475 deg
M 347.2166951347139 3.2073e-05 deg
tp 2459265.717215604689
(2021-Feb-20.21721560)
0.0001636 TDB
period 1836.629718614052
5.03
1.2294e-05
3.366e-08
d
yr
n .1960112026672755 1.3121e-09 deg/d
Q 3.100764782334944 1.3838e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1731  
   data-arc span      10080 days (27.60 yr)  
   first obs. used      1993-08-15  
   last obs. used      2021-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5153  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 03:17:19  

Additional Information
 Earth MOID = 1.78214 au 
 Jupiter MOID = 1.89424 au 
 T_jup = 3.272 
[ 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 14.34   n/a MPCxxxxx  
diameter diameter 3.916 km 0.988 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.264   0.084 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22003 Startek           Discovered 1999 Dec. 7 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jennifer Startek mentored a finalist in the 2005 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Southwestern Educational Society, Mayaguez, Puerto Rico.
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
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
1903-Feb-07 20:45 00:02 Jupiter 1.92691045097067 1.92690997730419 1.9269109246378 3.02111192142549 2.87192729014976 2416153.364728925 2.20834337698991 92.905788849333 11.5042878521951 -82.1787818091573 3541357.40906036 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
1999-Mar-28 21:19 < 00:01 Jupiter 1.92500572477957 1.92500536428945 1.92500608526968 3.15093115861878 3.00804694033714 2451266.388438407 0.352781231568514 36.1941210789691 11.5818507709315 -87.6397916511521 3556012.75534228 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
2034-Feb-08 16:24 < 00:01 Jupiter 1.90571079083694 1.90571043061261 1.90571115106128 3.00515750753798 2.85342615863929 2464002.183075405 0.426972825503674 38.4447411209497 10.667311580492 -88.6496754987539 3391868.99415811 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
2068-Dec-20 12:30 00:01 Jupiter 1.95096447454344 1.95096407605801 1.95096487302888 3.0842156718968 2.940080737436 2476736.020752614 1.10611103044224 49.1966967880949 12.3231305830194 -81.3550705500881 3735360.6098726 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
2130-Mar-31 08:10 00:02 Jupiter 1.96498165436211 1.96498100780817 1.96498230091684 3.33383228542243 3.2019244576247 2499115.840133302 2.2783905007748 91.297645511363 15.1278171126199 78.1552714513958 3403159.01626796 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
2165-Feb-10 07:05 00:03 Jupiter 1.91090968687439 1.91090925071838 1.9109101230316 3.06317179091259 2.91487719783085 2511850.794999933 2.98713844786664 150.110768892993 11.5100498600491 87.6520067916457 3367957.29939567 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17
2199-Dec-24 17:42 00:04 Jupiter 1.90902764401637 1.90902713748183 1.90902815055395 2.99641832047734 2.84449229703817 2524586.237843296 3.69362845487672 175.087312457126 10.7441787389661 -84.6747248006257 3494945.20569638 T 38 CATAB v2.0g-lin.ifort 2021-May-04 03:17:31 2021-May-04 03:17

Alternate Designations
 1999 XO42 = 1996 DM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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