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7783 (1994 JD)
Classification: Inner Main-belt Asteroid          SPK-ID: 2007783
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07755319001888673 3.6681e-08  
a 1.934277865003447 5.4814e-09 au
q 1.784268446189508 7.0859e-08 au
i 23.54105933901908 4.1085e-06 deg
node 96.20956609409974 1.0839e-05 deg
peri 15.29446157198738 3.1909e-05 deg
M 353.6015182556182 3.0198e-05 deg
tp 2459017.964298842931
(2020-Jun-17.46429884)		 8.2449e-05 TDB
period 982.5999095763134
2.69		 4.1768e-06
1.144e-08		 d
yr
n .3663749573875171 1.5574e-09 deg/d
Q 2.084287283817386 5.9065e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      12608 days (34.52 yr)  
   first obs. used      1986-05-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:04:58  

Additional Information
 Earth MOID = .80449 au 
 Jupiter MOID = 3.0804 au 
 T_jup = 3.805 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457204.5 (2015-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0773954138893754 3.6644e-08  
q 1.784619132364514 7.0793e-08 au
tp 2457052.756954420812
(2015-Jan-30.25695442)		 8.0262e-05 TDB
node 96.23245593778321 1.0843e-05 deg
peri 15.26786948759106 3.1998e-05 deg
i 23.53568626521659 4.1076e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1672  
   data-arc span      12608 days (34.52 yr)  
   first obs. used      1986-05-09  
   last obs. used      2020-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40401  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 20:04:58  

Additional Information
 Jupiter MOID = 3.0804 au 
 T_jup = 3.805 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.342778955719315E-15 -2.587507013672951E-15 7.162148475514601E-13 -3.393672979945741E-15 2.684572829453194E-13 -3.2085653985773E-15
q -2.587507013672951E-15 5.011615120616283E-15 -1.286118351220231E-12 7.462276067878057E-15 -4.825097050523216E-13 6.285646604558235E-15
tp 7.162148475514601E-13 -1.286118351220231E-12 6.442004005771778E-9 -7.465823783291488E-13 2.430494834901267E-9 -8.102667588098763E-12
node -3.393672979945741E-15 7.462276067878057E-15 -7.465823783291488E-13 1.175772498001203E-10 -1.074385376361049E-10 6.658991491219544E-12
peri 2.684572829453194E-13 -4.825097050523216E-13 2.430494834901267E-9 -1.074385376361049E-10 1.023856300154077E-9 -9.143647509065167E-12
i -3.2085653985773E-15 6.285646604558235E-15 -8.102667588098763E-12 6.658991491219544E-12 -9.143647509065167E-12 1.687233194511101E-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 14.3   n/a MPO324380  
diameter diameter 2.227 km 0.081 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 31.83 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 72-77.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
geometric albedo albedo 0.816   0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7783 (1994 JD)          Discovered 1994-May-04 by Spahr, T. B. at Catalina Station
Reference: DISCOVERY.DBLast Updated: 2003-08-29
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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