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7335 (1989 JA)
Classification: Apollo [NEO, PHA]          SPK-ID: 2007335
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 73 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .484224181248782 5.1399e-08  
a 1.770405811895836 4.0857e-09 au
q .9131325071524897 9.0135e-08 au
i 15.19544776772519 1.1263e-05 deg
node 61.33655460676302 2.1456e-05 deg
peri 232.2571664177122 2.6791e-05 deg
M 174.5127435143764 2.0062e-05 deg
tp 2457183.407565730858
(2015-Jun-09.90756573)
4.6786e-05 JED
period 860.4143933163333
2.36
2.9784e-06
8.154e-09
d
yr
n .4184030425298165 1.4484e-09 deg/d
Q 2.627679116639182 6.064e-09 au
  Orbit Determination Parameters
   # obs. used (total)      357  
   # delay obs. used      0  
   # Doppler obs. used      5  
   data-arc span      9773 days (26.76 yr)  
   first obs. used      1989-04-06  
   last obs. used      2016-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .62259  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Feb-25 18:23:54  

Additional Information
 Earth MOID = .0216065 au 
 Jupiter MOID = 2.66929 au 
 T_jup = 3.924 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0 mag n/a PDS3 (MPC 28570)  
diameter diameter 1.8 km n/a Hazards due to Comets and Asteroids (1994), Ed. T. Gehrels, pp.540-543 based on assumed medium albedo (0.15)
rotation period rot_per 12. h n/a LCDB (Rev. 2016-February); Warner et al., 2009 upper-limit; Incomplete or inconclusive result.
Published Reference List:
[Mahapatra, P.R.; Benner, L.A.M.; Ostro, S.J.; Jurgens, R.F.; et al. (2002) Planetary and Space Sci. 50, 257-260.]

7335 (1989 JA)          Discovered 1989-May-01 by Helin, E. F. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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