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JPL Small-Body Database Browser
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52748 (1998 JJ1)
Classification: Inner Main-belt Asteroid          SPK-ID: 2052748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09319602406007847 5.5195e-08  
a 1.932842083083383 5.8602e-09 au
q 1.752708885804012 1.0755e-07 au
i 19.89899354723568 6.7048e-06 deg
node 229.1636822446253 1.0051e-05 deg
peri 201.5138813075597 2.6153e-05 deg
M 77.69658160650759 2.3887e-05 deg
tp 2458388.667594976271
(2018-Sep-27.16759498)
6.496e-05 TDB
period 981.5060615505282
2.69
4.4637e-06
1.222e-08
d
yr
n .366783267167288 1.6681e-09 deg/d
Q 2.112975280362754 6.4063e-09 au
  Orbit Determination Parameters
   # obs. used (total)      983  
   data-arc span      23924 days (65.50 yr)  
   first obs. used      1953-10-31  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47996  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:48  

Additional Information
 Earth MOID = .770975 au 
 Jupiter MOID = 3.199 au 
 T_jup = 3.833 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO474412  
rotation period rot_per 4.258 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Clark, M. (2016) Minor Planet Bull. 43, 132-135.]
[Stephens, R.D. (2016) Minor Planet Bull. 43, 158-159.]

52748 (1998 JJ1)          Discovered 1998-May-01 by NEAT at Haleakala
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 JJ1 = 1999 TE34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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