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5728 (1988 BJ4)
Classification: Main-belt Asteroid          SPK-ID: 2005728
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 .09335577857759761 5.9041e-08  
a 2.262013455634969 1.3529e-08 AU
q 2.050841428331165 1.3578e-07 AU
i 4.237593966535036 6.9793e-06 deg
node 154.4459939221269 7.3724e-05 deg
peri 227.0606858087616 8.2128e-05 deg
M 8.726934840090456 3.939e-05 deg
tp 2456770.376846461033
(2014-Apr-22.87684646)
0.00013586 JED
period 1242.628193373319
3.40
1.1149e-05
3.052e-08
d
yr
n .2897085402695722 2.5992e-09 deg/d
Q 2.473185482938774 1.4793e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1048  
   data-arc span      13547 days (37.09 yr)  
   first obs. used      1976-09-25  
   last obs. used      2013-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .46361  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:15:13  

Additional Information
 Earth MOID = 1.05424 AU 
 T_jup = 3.610 
[ 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 13.7 mag n/a MPO265988  

5728 (1988 BJ4)          Discovered 1988-Jan-20 by Debehogne, H. at La Silla (809)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1988 BJ4 = 1976 SC8 = 1988 BQ5 = 1990 WV3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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