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7884 (1993 HH7)
Classification: Main-belt Asteroid          SPK-ID: 2007884
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078591205512018 6.648e-08  
a 2.27283085326567 1.2937e-08 AU
q 2.027685316270798 1.5179e-07 AU
i 2.488538028899013 6.5962e-06 deg
node 353.3766568825669 0.00011782 deg
peri 344.9847673903123 0.00012004 deg
M 292.74947775551 2.5811e-05 deg
tp 2457034.298791356236
(2015-Jan-11.79879136)
9.0223e-05 JED
period 1251.552583967346
3.43
1.0686e-05
2.926e-08
d
yr
n .2876427284092387 2.4559e-09 deg/d
Q 2.517976390260543 1.4333e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1128  
   data-arc span      13547 days (37.09 yr)  
   first obs. used      1976-05-02  
   last obs. used      2013-06-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5675  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:49:29  

Additional Information
 Earth MOID = 1.0174 AU 
 T_jup = 3.602 
[ 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 14.2 mag n/a MPO263419  

7884 (1993 HH7)          Discovered 1993-Apr-24 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1993 HH7 = 1976 JY6 = 1994 TM 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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