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(1994 WR12)
Classification: Aten [NEO]          SPK-ID: 3005969
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2449712.5 (1994-Dec-26.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3972199450280718 0.001425  
a .7568908028519268 0.0005046 AU
q .4562386797508313 0.0013827 AU
i 6.86180370186085 0.035384 deg
node 63.06860437330989 0.00047685 deg
peri 205.6817572975983 0.0072857 deg
M 173.3335190977076 0.070406 deg
tp 2449596.694730244382
(1994-Sep-01.19473024)
0.16285 JED
period 240.5183794169782
0.66
0.24052
0.0006585
d
yr
n 1.496767111405988 0.0014968 deg/d
Q 1.057542925953022 0.00070504 AU
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      35 days  
   first obs. used      1994-11-26  
   last obs. used      1994-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      8  
   fit RMS      .62988  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 09:47:09  

Additional Information
 Earth MOID = .00237086 AU 
 T_jup = 7.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.0 mag n/a MPO57659  

[ hide close-approach data ]
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
1988-Nov-24 08:18 19:32 Earth 0.227186579763583 0.131547477700803 0.320049063630396 17.2023649850578 17.2016831958353 2447489.846021473 1172.11983457018 4513448.4210882 29.8818573695366 1.86644465090451 30876.6922943569 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1990-Nov-22 19:24 08:59 Earth 0.142622995829018 0.0749761366806612 0.206124731516523 14.3817318675824 14.3804328015432 2448218.308510963 539.37727140136 2912773.44555573 27.1158639131002 2.30040163418071 24730.5515282586 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1991-May-17 02:07 1_17:56 Mercury 0.0625172902388353 0.0114643417070644 0.151069784509603 20.0546779503156 20.0545604850113 2448393.588277728 2516.24230347654 4420295.64612647 62.7777646107667 -10.3069087000896 26037.4031688334 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1992-Jul-29 12:07 14:31 Venus 0.123094253123489 0.0668990435351033 0.18306062787949 20.162768433986 20.1618934694937 2448833.004932866 871.464575893224 2982739.54736416 88.7292764826971 -19.7183363864666 62267.0446292198 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1992-Nov-21 19:47 02:09 Earth 0.0634311355498451 0.0282973236280275 0.0961399254424769 11.7634564253698 11.7598850059652 2448948.324387228 129.09174355364 1333340.50205679 24.9651386593725 3.19393646953663 15119.7194425753 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1994-Jan-08 07:16 15:35 Mercury 0.0556813246657486 0.0324909298591913 0.0794538401534368 19.2355570945861 19.2354195918313 2449360.802857322 934.913202654467 1198645.20074391 72.0069701348935 -13.313853515898 25978.5716131351 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1994-Oct-19 10:40 01:51 Venus 0.136431870175026 0.136075804756589 0.136790220745857 8.76699615793533 8.76518044464597 2449644.944389598 110.929610961647 21401.7323606066 147.130934598229 57.3978716468868 75631.4944539385 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1994-Nov-24 15:25 00:01 Moon 0.00250173162465353 0.00244534367974099 0.00255819516178786 10.6181213712465 10.6168875404651 2449681.142676739 1.21409828638821 2891.96837793793 8.23182700694643 -13.6612655662771 10269.6205304816 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1994-Nov-24 20:22 < 00:01 Earth 0.00474823679947575 0.00469104752694266 0.00480554757702838 9.74841126695562 9.6906769419861 2449681.348264328 0.660191171400745 2950.08149212566 5.34654881472112 0.104924212684097 156.787715343106 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1995-Mar-21 22:08 09:51 Earth 0.387948455159302 0.383236861056856 0.392651959209427 8.20338283673767 8.20254556291394 2449798.422337567 590.526036643548 151358.308420504 75.8452451325103 3.95582439942108 31212.87173438 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1996-Aug-21 17:52 2_07:01 Mercury 0.0159591212300945 0.0119990102963426 0.0207904248935872 13.160537543947 13.1598363258075 2450317.244711266 3301.016509017 276553.99261234 73.9369771801498 38.6380872681955 19154.5263971399 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1996-Dec-14 06:31 2_04:45 Earth 0.0857792952924333 0.0758023112028647 0.0963339306525332 8.30351394107721 8.29977226812948 2450431.771370852 3164.9241616586 374846.451339491 77.2048466376969 -34.4041636092416 56040.683584028 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1999-Jan-09 17:21 2_18:00 Earth 0.0918546766137109 0.0906105588761702 0.100412073721966 8.85691266148521 8.85363692436833 2451188.222838959 3960.23055652446 1353780.87244176 119.929981892054 -80.5747502785691 70286.0826158129 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
1999-Apr-02 08:54 1_14:56 Mercury 0.0820616810820651 0.0148609585954717 0.179070680221392 22.745833466347 22.7457545653187 2451270.870622670 2335.86829520921 4854691.87022158 15.5908386766985 -10.1470316555692 136204.87528347 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2001-Jan-17 12:08 00:19 Earth 0.140878222229498 0.100778797415602 0.216281952866158 12.6200936850909 12.6185949264347 2451927.005397717 18.5521300906338 3939080.18678799 126.18784397231 -35.9390288311292 73433.2574809734 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2044-Nov-21 22:53 04:49 Earth 0.119938386332771 0.0378202316769514 0.194464622977227 13.6460760762581 13.6444480092523 2467941.453239090 288.761867151405 3326993.40042508 27.3615646826017 1.83749138308638 16052.9215414119 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2045-Dec-26 12:45 2_02:14 Mercury 0.0261654241495994 0.0138151317644985 0.0828663936088598 16.3889346055772 16.388591166093 2468341.031034455 3013.51085382257 2918863.59292405 15.3898594792767 -31.5370331138507 128618.986384811 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2046-Nov-24 18:19 16:28 Moon 0.00940956240218072 0.00148822370441871 0.0394816434816244 9.63800846747245 9.63764708242184 2468674.263395446 988.352231736547 1448297.28169808 34.2657687289111 -9.12018353248357 6271.96542159511 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2046-Nov-25 09:10 21:27 Earth 0.00942268339741981 0.00113892113385606 0.039261839403914 9.60396002428459 9.57447138930677 2468674.882128984 1287.33243543198 910738.494618428 26.3964822703717 -7.19348510128656 4128.0633891596 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
2047-Mar-19 15:37 1_08:35 Earth 0.383730256003043 0.368666281756259 0.398735255336438 7.64831178922218 7.64740387147096 2468789.150641294 1955.19747018143 670629.974907744 109.1648143597 13.9368747914422 71616.1438278817 T 18 CATAB v2.0c-linF95 2013-Aug-05 09:47:12 2013-Aug-05 09:47
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Close-Approach Data ]
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