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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09280213917173813 4.8303e-08  
a 1.93293380262649 5.532e-09 au
q 1.753553410865389 9.4942e-08 au
i 19.89237491303228 5.273e-06 deg
node 229.1354922131668 9.8395e-06 deg
peri 201.7809392852768 2.3669e-05 deg
M 297.467237636394 2.2233e-05 deg
tp 2459371.001816969372
(2021-Jun-05.50181697)
6.0879e-05 TDB
period 981.575925785383
2.69
4.2139e-06
1.154e-08
d
yr
n .3667571611558781 1.5745e-09 deg/d
Q 2.11231419438759 6.0454e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1259  
   data-arc span      24576 days (67.29 yr)  
   first obs. used      1953-10-31  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:47:42  

Additional Information
 Earth MOID = .771637 au 
 Jupiter MOID = 3.19569 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 15.27   n/a E2021B10  
rotation period rot_per 4.258 h n/a LCDB (Rev. 2020-October); 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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