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101880 (1999 NJ29)
Classification: Main-belt Asteroid          SPK-ID: 2101880
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2486280674849861 4.2426e-08  
a 2.6354407579681 1.489e-08 au
q 1.980196215343324 1.1773e-07 au
i 14.82957504876968 4.2026e-06 deg
node 121.6824189165681 1.9944e-05 deg
peri 188.3349253994857 2.2481e-05 deg
M 307.1512926923607 1.239e-05 deg
tp 2459229.908857565810
(2021-Jan-15.40885757)
5.4793e-05 TDB
period 1562.709722357838
4.28
1.3243e-05
3.626e-08
d
yr
n .2303690793302464 1.9523e-09 deg/d
Q 3.290685300592876 1.8591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      530  
   data-arc span      10072 days (27.58 yr)  
   first obs. used      1992-12-24  
   last obs. used      2020-07-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:01  

Additional Information
 Earth MOID = .966506 au 
 Jupiter MOID = 1.99571 au 
 T_jup = 3.307 
[ 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 15.4   n/a MPO432545  

101880 (1999 NJ29)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 NJ29 = 2003 MR 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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