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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07752502552741812 3.6406e-08  
a 1.934150389107482 5.4812e-09 au
q 1.784205330818059 7.0275e-08 au
i 23.54051131152018 4.0738e-06 deg
node 96.20786676651268 1.0831e-05 deg
peri 15.22505341856496 3.19e-05 deg
M 66.94383603715022 3.0312e-05 deg
tp 2459017.798597964510
(2020-Jun-17.29859796)
8.2455e-05 TDB
period 982.5027758534214
2.69
4.1765e-06
1.143e-08
d
yr
n .3664111785203832 1.5576e-09 deg/d
Q 2.084095447396905 5.9062e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1761  
   data-arc span      12672 days (34.69 yr)  
   first obs. used      1986-05-09  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:39:21  

Additional Information
 Earth MOID = .804206 au 
 Jupiter MOID = 3.08049 au 
 T_jup = 3.805 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.31   n/a E2021B10  
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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