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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1455322362871656 3.3952e-08  
a 3.048850195038621 1.3829e-08 au
q 2.60514420805009 1.0481e-07 au
i 2.515607433013617 3.3024e-06 deg
node 109.9888944078616 9.0516e-05 deg
peri 41.93594720524727 9.1329e-05 deg
M 213.7764675208446 1.395e-05 deg
tp 2459790.300358122611
(2022-Jul-29.80035812)		 7.8253e-05 TDB
period 1944.475859004924
5.32		 1.323e-05
3.622e-08		 d
yr
n .1851398660121336 1.2597e-09 deg/d
Q 3.492556182027152 1.5842e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2210  
   data-arc span      21168 days (57.95 yr)  
   first obs. used      1962-12-03  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47169  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:37:53  

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

[ 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
1901-Nov-13 06:01 00:03 Jupiter 1.79702904060522 1.79702736197715 1.79703071923114 2.09349042481143 1.85472641802712 2415701.750688470 2.68385226454346 55.5251889353881 8.96280327044683 -88.0552752631742 962741.604143442 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
1941-Feb-25 18:55 00:02 Jupiter 1.98144650549701 1.98144527391854 1.98144773707514 3.40476117440464 3.27680407554204 2430051.287971107 1.64649248130151 54.8064177655072 27.0522521972824 36.8711584355961 1497093.48312764 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
1950-Jul-09 15:44 00:02 Jupiter 1.53128164724626 1.53128122501587 1.53128206947769 1.30371098119679 0.770305176016484 2433472.155758906 1.52935833189411 367.093914983611 160.534268175461 30.0572210646763 2323775.93542604 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
1999-Feb-26 01:35 < 00:01 Jupiter 1.59209247038424 1.59209202889136 1.59209291187657 1.62047379095772 1.24975936611166 2451235.566304386 0.429473104582896 84.9493074798908 63.6069888948022 57.828865946549 1966748.58921419 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2008-Jul-04 07:36 < 00:01 Jupiter 1.86661142251079 1.86661108631617 1.86661175870531 2.36027407433965 2.15947741893069 2454651.816946714 0.238152101485316 40.8268784109624 6.03929768149213 -89.9854525348644 3497178.80885077 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2047-Oct-22 03:45 < 00:01 Jupiter 1.91650439962305 1.91650398079866 1.91650481844744 3.07130171643641 2.92386214067762 2469005.656178129 0.713481927552209 35.7884368347261 12.8336689069738 81.9348971805319 3303014.26323339 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2057-Feb-26 22:48 < 00:01 Jupiter 1.56264197795808 1.5626415509455 1.56264240497058 1.38748837602122 0.917078884389421 2472421.449699210 0.960904826834738 206.967642597263 100.424911389051 32.7764008471884 2368026.00384837 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2105-Oct-15 00:23 00:02 Jupiter 1.55558917795413 1.5555885772633 1.55558977864409 1.46622205301832 1.02995227950493 2490182.515758418 2.1154287084646 200.381258081801 134.760624521694 -25.3271907233766 1401079.96165025 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2115-Feb-23 10:32 00:02 Jupiter 1.94020359789221 1.94020216986513 1.94020502591862 2.65432185637336 2.4844108076536 2493600.939214166 2.24650415332781 45.6870816644346 35.2772497276957 -40.9392281986788 1116365.24101741 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2154-Jun-13 17:53 00:03 Jupiter 1.85178634257998 1.8517845084159 1.85178817674322 2.74936599332157 2.57763393182838 2507956.245180169 3.18048391243183 80.5558305067877 21.2174998977792 55.5891985642662 1296945.28613686 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37
2163-Oct-16 03:02 00:03 Jupiter 1.59973857456707 1.5997371794797 1.59973996965798 1.50052207564561 1.09206928890009 2511367.626317739 3.48203485337945 320.36470597146 67.0388075064207 47.4823719002779 2111616.6846858 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:37:59 2020-Dec-18 02:37

Alternate Designations
 1978 VO8 = 1962 XN1 = 1985 CR1 
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