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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4842336387698259 6.318e-08  
a 1.770806440042879 5.0304e-09 AU
q .9133223940238744 1.1169e-07 AU
i 15.19420266822088 1.2079e-05 deg
node 61.34188711156926 3.3893e-05 deg
peri 232.2589238654486 3.7422e-05 deg
M 283.4839379482817 2.0427e-05 deg
tp 2457183.438526171409
(2015-Jun-09.93852617)
4.9481e-05 JED
period 860.7064667963834
2.36
3.6676e-06
1.004e-08
d
yr
n .418261060986271 1.7823e-09 deg/d
Q 2.628290486061884 7.4663e-09 AU
  Orbit Determination Parameters
   # obs. used (total)      238  
   # delay obs. used      0  
   # Doppler obs. used      5  
   data-arc span      9511 days (26.04 yr)  
   first obs. used      1989-04-06  
   last obs. used      2015-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .66507  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-23 06:18:08  

Additional Information
 Earth MOID = .0229217 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-May); 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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