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258817 (2002 NY57)
Classification: Main-belt Asteroid          SPK-ID: 2258817
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1979153937085827 4.8958e-08  
a 3.076598091745136 2.6428e-08 au
q 2.467691969134323 1.5535e-07 au
i 17.37395160713035 4.2104e-06 deg
node 126.1481795376471 1.7987e-05 deg
peri 88.04256702145348 2.1169e-05 deg
M 220.0675281008716 1.5148e-05 deg
tp 2459966.661953236022
(2023-Jan-22.16195324)
9.0085e-05 TDB
period 1971.081475383314
5.40
2.5397e-05
6.953e-08
d
yr
n .1826408519871007 2.3533e-09 deg/d
Q 3.685504214355949 3.1658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      7265 days (19.89 yr)  
   first obs. used      2001-02-24  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5271  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:45:51  

Additional Information
 Earth MOID = 1.53603 au 
 Jupiter MOID = 1.69918 au 
 T_jup = 3.130 
[ 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 14.9   n/a MPO454928  
rotation period rot_per 113.776 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

258817 (2002 NY57)          Discovered 2002-Jul-04 by NEAT at Palomar
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 2002 NY57 = 2002 PP150 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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