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129538 (1996 NM)
Classification: Main-belt Asteroid          SPK-ID: 2129538
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .221896249865588 4.8928e-08  
a 3.072720076726942 2.107e-08 au
q 2.390895014814531 1.4975e-07 au
i 7.771675827473659 5.2315e-06 deg
node 104.819949508335 3.9919e-05 deg
peri 232.6424268597878 4.1629e-05 deg
M 131.4460003479683 1.2839e-05 deg
tp 2458282.163723684150
(2018-Jun-12.66372368)
6.8876e-05 TDB
period 1967.355863161516
5.39
2.0236e-05
5.54e-08
d
yr
n .1829867217929168 1.8821e-09 deg/d
Q 3.754545138639352 2.5745e-08 au
  Orbit Determination Parameters
   # obs. used (total)      694  
   data-arc span      8586 days (23.51 yr)  
   first obs. used      1996-07-14  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56747  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:04:49  

Additional Information
 Earth MOID = 1.39096 au 
 Jupiter MOID = 1.6699 au 
 T_jup = 3.178 
[ 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 MPO459609  

129538 (1996 NM)          Discovered 1996-Jul-14 by NEAT at Haleakala
Reference: 20060711/Numbers.arcLast Updated: 2006-07-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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