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3024 Hainan (1981 UW9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2003024
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbit Diagram
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Note: This Java-based orbit viewer will eventually be retired.

Note: Make sure you have Java enabled on your browser to see the applet. This applet is provided as a 3D orbit visualization tool. The applet 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. For accurate long-term ephemerides, please instead use our Horizons system.

Note: If the applet is not working, here are some notes that might help.
Orbit Viewer

Additional Notes: the orbits shown in the applet are color coded. The planets are white lines, and the asteroid/comet is a blue line. The bright white line indicates the portion of the orbit that is above the ecliptic plane, and the darker portion is below the ecliptic plane. Likewise for the asteroid/comet orbit, the light blue indicates the portion above the ecliptic plane, and the dark blue the portion below the ecliptic plane.

Orbit Viewer applet originally written and kindly provided by Osamu Ajiki (AstroArts), and further modified by Ron Baalke (JPL).


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1305667459652051 4.7258e-08  
a 3.414036886562476 1.9513e-08 au
q 2.968277199678834 1.6527e-07 au
i 14.8422822156141 5.3404e-06 deg
node 27.40715841249752 1.4528e-05 deg
peri 341.4588670290767 2.0545e-05 deg
M 59.03650339448572 1.4316e-05 deg
tp 2458622.650486846346
(2019-May-19.15048685)
9.1526e-05 TDB
period 2304.0969046961
6.31
1.9754e-05
5.408e-08
d
yr
n .156243428506095 1.3395e-09 deg/d
Q 3.859796573446119 2.2061e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3375  
   data-arc span      27853 days (76.26 yr)  
   first obs. used      1943-11-03  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .34911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 16:36:49  

Additional Information
 Earth MOID = 1.97287 au 
 Jupiter MOID = 1.6117 au 
 T_jup = 3.077 
[ 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 10.8   n/a MPO416741  
diameter diameter 37.189 km 0.516 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.746 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Li, B.; Zhao, H.; Han, X.L.; Liu, W.; et al. (2013) Minor Planet Bull. 40, 43-44.]
[Simpson, G.; Chong, E.; Gerhardt, M.; Gorsky, S.; et al. (2013) Minor Planet Bull. 146-151.]
geometric albedo albedo 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

3024 Hainan (1981 UW9)          Discovered 1981-Oct-23 by Purple Mountain Observatory at Nanking
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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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
1906-May-12 00:01 00:03 Jupiter 1.97469925870415 1.9746984574523 1.97470005995869 4.41421725057868 4.31595168918582 2417342.500752485 3.11806277426143 148.889556464373 19.0141908954714 -73.7930376622522 2518956.6059361 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
1920-Mar-18 06:47 00:03 Jupiter 1.94049432540355 1.94049328784003 1.94049536297126 2.40431139206811 2.21533668482732 2422401.782550178 3.35993961833287 250.953478113424 45.0340316499576 75.4503443889719 2640108.46148558 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
1933-Nov-09 07:26 00:02 Jupiter 1.62277645400425 1.62277584727727 1.6227770607339 3.66721646811303 3.52201063934117 2427385.810048147 2.03668099985546 325.504785169451 27.223683837482 87.557373395862 2818200.47924307 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
1947-Mar-30 09:14 00:02 Jupiter 1.72849527171566 1.72849439940863 1.72849614404303 3.68420625231861 3.54870490160742 2432274.884972414 1.75044397863963 358.3045080783 17.4998717981231 83.5401261509335 2763349.70354745 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
1988-Jan-12 08:33 < 00:01 Jupiter 1.89214113947959 1.89214064463296 1.89214163432643 5.71220156661513 5.6332886387456 2447172.856284953 0.686188432501928 91.8327998869814 21.8154560511572 -84.1022175312644 3690047.57287356 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2015-May-25 04:58 < 00:01 Jupiter 1.90248608203138 1.90248543316704 1.90248673089604 2.77745803324934 2.61224722871171 2457167.707240692 0.39635880305317 144.597210794555 29.4091125221135 -88.4786068075571 2639283.84255476 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2028-Dec-10 07:57 < 00:01 Jupiter 1.60027140180541 1.60027090211626 1.60027190150129 3.74345973517956 3.59929051482756 2462115.831443235 0.494092134380764 327.044738882125 16.8011746595934 87.1259076936513 2910155.22143991 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2042-May-09 13:57 < 00:01 Jupiter 1.77751513683241 1.77751443518165 1.77751583848813 3.51229450643996 3.3738956076982 2467014.081035175 0.95990343481933 206.591146175682 17.1077929558606 81.7616211182999 2641169.70906145 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2069-Oct-03 02:05 00:02 Jupiter 1.95928347687799 1.95928289842376 1.95928405533233 5.41659688636483 5.33618750197979 2477022.586792431 1.51898592367265 103.573443262371 27.7183208781726 -85.9200570553759 3820089.15628974 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2083-Feb-24 16:47 00:02 Jupiter 1.91363735989064 1.91363683537566 1.91363788440605 5.61170031210188 5.53226279821766 2481915.199448494 1.78913004833872 100.854152532742 21.5864063600523 -82.0938112175533 3590451.795433 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2110-Jul-22 10:47 00:03 Jupiter 1.8473982500329 1.84739678600066 1.84739971409886 3.11437547799022 2.96350214969241 2491923.949642779 3.05042196493099 527.278530707985 45.9778278262992 82.255504543885 2792651.69459371 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2124-Jan-10 22:58 00:03 Jupiter 1.59239107233516 1.59239057062282 1.59239157405239 3.77741484665356 3.63387198670443 2496844.457140192 2.816008491314 435.599640649906 21.0714380543085 88.5835723970471 2883471.27688335 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2137-Jun-24 14:46 00:04 Jupiter 1.82696323657856 1.82696150138348 1.82696497180905 3.27561066343859 3.13087509286642 2501758.115321746 3.85915456114403 435.332116424384 14.5524232222975 77.1669078268472 2435425.96276588 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2164-Nov-17 11:40 00:04 Jupiter 1.92624780362165 1.92624703851129 1.92624856873529 5.60331747921029 5.52428397622049 2511765.986434317 3.93834190563547 189.745794346101 27.6150126427626 -81.3849285204191 3935540.74342354 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37
2178-Apr-09 01:35 00:04 Jupiter 1.94827767870378 1.94827675351828 1.94827860389437 5.45743947389722 5.37718667918196 2516656.566099920 4.30983611980937 191.261786645839 22.2158667555018 -76.8551934467414 3452729.91554879 T 32 CATAB v2.0f-lin.ifort 2020-Feb-22 16:37:02 2020-Feb-22 16:37

Alternate Designations
 1981 UW9 = 1943 VG = 1949 SD1 = 1956 VP = 1962 WH = 1968 TA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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