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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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1078590894367298 6.112e-08  
a 2.272830844663608 1.3512e-08 AU
q 2.027685379314478 1.4118e-07 AU
i 2.488529754266918 6.322e-06 deg
node 353.3766573561631 0.00011824 deg
peri 344.98476000146 0.00012042 deg
M 292.7494846083635 2.5448e-05 deg
tp 2457034.298766204752
(2015-Jan-11.79876620)
8.8991e-05 JED
period 1251.552576862153
3.43
1.1161e-05
3.056e-08
d
yr
n .2876427300422159 2.5651e-09 deg/d
Q 2.517976310012739 1.497e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1130  
   data-arc span      13929 days (38.14 yr)  
   first obs. used      1976-05-02  
   last obs. used      2014-06-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53134  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:18:14  

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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