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52299 (1991 NJ1)
Classification: Main-belt Asteroid          SPK-ID: 2052299
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2191279258839429 3.3763e-08  
a 2.239628105140979 6.2501e-09 au
q 1.748863043710051 7.4462e-08 au
i 6.15966211963963 3.7768e-06 deg
node 120.0162168461791 3.5875e-05 deg
peri 204.3732251845834 3.687e-05 deg
M 327.0190435655383 1.0007e-05 deg
tp 2459508.656135127510
(2021-Oct-21.15613513)
3.428e-05 TDB
period 1224.227948820633
3.35
5.1247e-06
1.403e-08
d
yr
n .2940628829351659 1.231e-09 deg/d
Q 2.730393166571907 7.6197e-09 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      10944 days (29.96 yr)  
   first obs. used      1991-07-12  
   last obs. used      2021-06-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54596  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 08:08:10  

Additional Information
 Earth MOID = .73791 au 
 Jupiter MOID = 2.60025 au 
 T_jup = 3.596 
[ 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 15.95   n/a E2021B10  
rotation period rot_per 6.097 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

52299 (1991 NJ1)          Discovered 1991-Jul-12 by Holt, H. E. at Palomar
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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