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

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 84 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4843281029377564 4.6783e-08  
a 1.770445231877868 3.5614e-09 au
q .9129688513672637 8.2283e-08 au
i 15.19555380195391 8.4998e-06 deg
node 61.31907779643979 1.8135e-05 deg
peri 232.2596415317655 2.1966e-05 deg
M 40.19730634144494 1.6505e-05 deg
tp 2458904.423621922068
(2020-Feb-24.92362192)
3.923e-05 TDB
period 860.4431305486373
2.36
2.5963e-06
7.108e-09
d
yr
n .4183890686307835 1.2625e-09 deg/d
Q 2.627921612388472 5.2863e-09 au
  Orbit Determination Parameters
   # obs. used (total)      398  
   # delay obs. used      0  
   # Doppler obs. used      5  
   data-arc span      10889 days (29.81 yr)  
   first obs. used      1989-04-06  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5941  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Feb-01 08:39:10  

Additional Information
 Earth MOID = .0216163 au 
 Jupiter MOID = 2.67814 au 
 T_jup = 3.924 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   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. 2019-August); 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) Planet. Space Sci. 50, 257-260.]
geometric albedo albedo 0.448   0.043 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

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

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