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9270 (1978 VO8)
Classification: Main-belt Asteroid          SPK-ID: 2009270
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455322361868702 3.4154e-08  
a 3.048850194999058 1.3874e-08 au
q 2.605144208322069 1.0532e-07 au
i 2.515607551505789 3.3566e-06 deg
node 109.9888951847017 9.0588e-05 deg
peri 41.93594645742293 9.1404e-05 deg
M 213.7764675108637 1.3952e-05 deg
tp 2459790.300358161149
(2022-Jul-29.80035816)
7.8258e-05 TDB
period 1944.475858967076
5.32
1.3273e-05
3.634e-08
d
yr
n .1851398660157373 1.2638e-09 deg/d
Q 3.492556181676047 1.5893e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2181  
   data-arc span      21146 days (57.89 yr)  
   first obs. used      1962-12-03  
   last obs. used      2020-10-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:14:51  

Additional Information
 Earth MOID = 1.61658 au 
 Jupiter MOID = 1.5046 au 
 T_jup = 3.220 
[ 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 13.3   n/a MPO358720  

9270 (1978 VO8)          Discovered 1978-Nov-07 by Helin, E. F., Bus, S. J. at Palomar
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19

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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
1901-Nov-13 06:01 00:03 Jupiter 1.79702904068787 1.79702736015155 1.79703072122204 2.09349042046732 1.85472641313546 2415701.750689993 2.69119479978924 55.7724531098276 9.07781985446334 -88.0725658530563 961704.362048355 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
1941-Feb-25 18:55 00:02 Jupiter 1.98144650525552 1.98144527271777 1.98144773779305 3.40476126753573 3.27680417229394 2430051.287977961 1.65001093990675 54.978289634251 27.4098749556524 37.2847601853238 1490223.39513915 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
1950-Jul-09 15:44 00:02 Jupiter 1.53128164772524 1.5312812250679 1.53128207038362 1.30371098622354 0.770305184748685 2433472.155759655 1.53276433691953 368.327661686242 161.54122915642 30.0178120740971 2311461.71775572 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
1999-Feb-26 01:35 < 00:01 Jupiter 1.59209247066455 1.59209202885963 1.59209291246893 1.62047381098479 1.24975939215428 2451235.566307123 0.42957616787498 85.0086816631378 63.6499880649513 57.7178331170533 1964883.41083164 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2008-Jul-04 07:36 < 00:01 Jupiter 1.86661142285652 1.86661108470978 1.86661176100315 2.36027408719051 2.1594774330154 2454651.816945894 0.238153398534823 40.987141823285 6.05658548074767 89.9580344673282 3471146.98210392 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2047-Oct-22 03:45 < 00:01 Jupiter 1.91650439914326 1.91650397487668 1.91650482340978 3.07130175638158 2.92386218259923 2469005.656180984 0.718151874387709 36.3112306347597 13.0160121900629 81.9168753492475 3270075.43747535 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2057-Feb-26 22:48 < 00:01 Jupiter 1.56264197859874 1.5626415457224 1.562642411475 1.38748836743714 0.917078871644516 2472421.449703156 0.965776432044857 209.434414353827 100.690286514486 32.6369351635283 2346603.26420954 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2105-Oct-15 00:23 00:02 Jupiter 1.55558917827332 1.55558857656382 1.55558977998201 1.46622204857917 1.0299522732939 2490182.515757257 2.12399358815847 200.711585228982 134.95926129374 -25.539977225641 1400747.03966093 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2115-Feb-23 10:32 00:02 Jupiter 1.94020359785666 1.94020216128823 1.94020503442432 2.65432179843824 2.48441074575303 2493600.939220355 2.25454421780041 45.8612901755737 35.4393993455019 -40.730925244478 1108375.88853154 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2154-Jun-13 17:53 00:03 Jupiter 1.85178634461762 1.85178450113545 1.85178818809896 2.74936600396118 2.5776339433721 2507956.245182518 3.19294580687414 81.0380605941808 21.4985614089114 55.6634432914788 1283231.52109433 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14
2163-Oct-16 03:02 00:04 Jupiter 1.59973857331899 1.59973716902086 1.59973997762076 1.50052206535023 1.0920692743758 2511367.626322900 3.49492887088037 322.406418290442 67.4165151388981 47.34170418721 2096295.40523098 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 03:14:56 2020-Nov-13 03:14

Alternate Designations
 1978 VO8 = 1962 XN1 = 1985 CR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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