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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .248828908991095 4.2397e-08  
a 2.636429688610107 1.5002e-08 au
q 1.980409765561522 1.178e-07 au
i 14.82991545225737 4.2024e-06 deg
node 121.6811838463883 1.9941e-05 deg
peri 188.269267860016 2.2472e-05 deg
M 353.2697231588665 1.2575e-05 deg
tp 2459229.731637552085
(2021-Jan-15.23163755)
5.4752e-05 TDB
period 1563.589398646217
4.28
1.3346e-05
3.654e-08
d
yr
n .2302394735546904 1.9652e-09 deg/d
Q 3.292449611658692 1.8735e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56625  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:10  

Additional Information
 Earth MOID = .964703 au 
 Jupiter MOID = 1.99358 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 15.56   n/a E2021B55  

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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