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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 72 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4842292844357528 5.1397e-08  
a 1.770464226079519 4.0868e-09 au
q .9131536007659348 9.0129e-08 au
i 15.19534788240795 1.1263e-05 deg
node 61.33665110894779 2.1456e-05 deg
peri 232.264785184364 2.679e-05 deg
M 90.81656425384607 1.9827e-05 deg
tp 2457183.434037828234
(2015-Jun-09.93403783)
4.679e-05 JED
period 860.4569774673718
2.36
2.9793e-06
8.157e-09
d
yr
n .4183823356974882 1.4486e-09 deg/d
Q 2.627774851393104 6.0657e-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-Jan-08 06:21:09  

Additional Information
 Earth MOID = .0211295 au 
 Jupiter MOID = 2.66802 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. 2015-December); 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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