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JPL Small-Body Database Browser
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48886 (1998 JA4)
Classification: Main-belt Asteroid          SPK-ID: 2048886
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2177649278431574 3.1926e-08  
a 2.262017706727188 8.8049e-09 au
q 1.769429584041798 7.1392e-08 au
i 8.172470468754435 4.4497e-06 deg
node 92.97333973047044 3.3493e-05 deg
peri 225.8281579720112 3.583e-05 deg
M .51497511041892 1.3117e-05 deg
tp 2458598.722432235997
(2019-Apr-25.22243224)
4.5272e-05 TDB
period 1242.631696356146
3.40
7.2554e-06
1.986e-08
d
yr
n .2897077235802473 1.6915e-09 deg/d
Q 2.754605829412579 1.0722e-08 au
  Orbit Determination Parameters
   # obs. used (total)      766  
   data-arc span      8331 days (22.81 yr)  
   first obs. used      1997-01-09  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57734  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:39:10  

Additional Information
 Earth MOID = .766124 au 
 Jupiter MOID = 2.55696 au 
 T_jup = 3.574 
[ 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 15.7   n/a MPO347859  

48886 (1998 JA4)          Discovered 1998-May-07 by ODAS at Caussols
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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