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6956 Holbach (1988 CX3)
Classification: Main-belt Asteroid          SPK-ID: 2006956
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09256684217059283 3.1779e-08  
a 2.442963292870539 8.6884e-09 au
q 2.21682589531084 7.7253e-08 au
i 5.470660745888244 4.2341e-06 deg
node 243.8938390448919 3.9648e-05 deg
peri 212.7403333479842 4.782e-05 deg
M 105.4969417867053 2.5487e-05 deg
tp 2458191.793816400239
(2018-Mar-14.29381640)
9.8678e-05 TDB
period 1394.67764282107
3.82
7.4402e-06
2.037e-08
d
yr
n .258124163567872 1.377e-09 deg/d
Q 2.669100690430238 9.4926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1659  
   data-arc span      15870 days (43.45 yr)  
   first obs. used      1975-11-28  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47575  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 01:23:59  

Additional Information
 Earth MOID = 1.23585 au 
 Jupiter MOID = 2.47966 au 
 T_jup = 3.488 
[ show covariance matrix ]

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 13.9   n/a MPO384818  
rotation period rot_per 4.463 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

6956 Holbach (1988 CX3)          Discovered 1988-Feb-13 by Elst, E. W. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 CX3 = 1975 WZ = 1990 TT9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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