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118242 (1997 NM3)
Classification: Main-belt Asteroid          SPK-ID: 2118242
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1791054195989963 2.9102e-08  
a 2.345708387085347 8.9282e-09 au
q 1.925579302159542 6.6443e-08 au
i 2.678931119889495 3.9746e-06 deg
node 150.6858246603452 6.7186e-05 deg
peri 83.06712760751087 6.8207e-05 deg
M 232.9646482819361 1.284e-05 deg
tp 2459663.553905458906
(2022-Mar-25.05390546)
4.8181e-05 TDB
period 1312.228475858995
3.59
7.4918e-06
2.051e-08
d
yr
n .2743424690310436 1.5663e-09 deg/d
Q 2.765837472011154 1.0527e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1003  
   data-arc span      8594 days (23.53 yr)  
   first obs. used      1997-07-09  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:14  

Additional Information
 Earth MOID = .915403 au 
 Jupiter MOID = 2.23058 au 
 T_jup = 3.538 
[ 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 15.8   n/a MPO493675  

118242 (1997 NM3)          Discovered 1997-Jul-09 by Comba, P. G. at Prescott
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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Alternate Designations
 1997 NM3 = 1997 ON1 = 2000 DH61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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