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78791 (2002 VO123)
Classification: Main-belt Asteroid          SPK-ID: 2078791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1284811694854967 4.2268e-08  
a 2.770872980812244 1.5704e-08 au
q 2.414867979741723 1.246e-07 au
i 10.66857599806448 5.5429e-06 deg
node 304.5899530036532 2.0008e-05 deg
peri 102.6707781948983 3.1783e-05 deg
M 9.02009805895055 2.2971e-05 deg
tp 2459354.288371075969
(2021-May-19.78837108)
0.00010751 TDB
period 1684.703016900387
4.61
1.4322e-05
3.921e-08
d
yr
n .2136875142910046 1.8166e-09 deg/d
Q 3.126877981882765 1.7722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      8526 days (23.34 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:04  

Additional Information
 Earth MOID = 1.45187 au 
 Jupiter MOID = 2.26719 au 
 T_jup = 3.300 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457605.5 (2016-Aug-05.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312254372255249 4.2435e-08  
q 2.40755049980628 1.2538e-07 au
tp 2457663.163439025118
(2016-Oct-01.66343903)
0.00010458 TDB
node 304.7580317486047 2.0074e-05 deg
peri 101.4668663059377 3.1143e-05 deg
i 10.64867126008394 5.5344e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      8526 days (23.34 yr)  
   first obs. used      1997-10-07  
   last obs. used      2021-02-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51335  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:07:04  

Additional Information
 Jupiter MOID = 2.26719 au 
 T_jup = 3.300 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.800732829797381E-15 -5.297173755915115E-15 -1.186142190352766E-13 3.638141419621979E-15 8.461077590795857E-14 -4.738649354305836E-15
q -5.297173755915115E-15 1.571999847547423E-14 1.401660758585746E-13 -9.486500245523822E-15 -2.96954692301288E-13 1.471082927389991E-14
tp -1.186142190352766E-13 1.401660758585746E-13 1.093776960751719E-8 -1.10238028498693E-11 2.487040058697279E-9 1.71801754442455E-11
node 3.638141419621979E-15 -9.486500245523822E-15 -1.10238028498693E-11 4.029678915978818E-10 -3.981381996805803E-10 4.223475761342166E-11
peri 8.461077590795857E-14 -2.96954692301288E-13 2.487040058697279E-9 -3.981381996805803E-10 9.698649463576017E-10 -3.80516460597605E-11
i -4.738649354305836E-15 1.471082927389991E-14 1.71801754442455E-11 4.223475761342166E-11 -3.80516460597605E-11 3.0629031102143E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.83   n/a E2021B10  

78791 (2002 VO123)          Discovered 2002-Nov-14 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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