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101884 (1999 ND38)
Classification: Main-belt Asteroid          SPK-ID: 2101884
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058382771725385 3.6975e-08  
a 2.345289883529238 1.1585e-08 au
q 1.862539454433396 9.0351e-08 au
i 2.95792803945415 4.2776e-06 deg
node 52.78423368453235 8.3232e-05 deg
peri 249.1126913873554 8.3909e-05 deg
M 347.988101259614 1.1124e-05 deg
tp 2459244.272604066539
(2021-Jan-29.77260407)
4.0626e-05 TDB
period 1311.877314697353
3.59
9.7201e-06
2.661e-08
d
yr
n .2744159045718778 2.0332e-09 deg/d
Q 2.828040312625079 1.3969e-08 au
  Orbit Determination Parameters
   # obs. used (total)      473  
   data-arc span      7638 days (20.91 yr)  
   first obs. used      1999-07-14  
   last obs. used      2020-06-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56156  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:39:11  

Additional Information
 Earth MOID = .847664 au 
 Jupiter MOID = 2.40651 au 
 T_jup = 3.531 
[ 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 16.67   n/a E2021B55  

101884 (1999 ND38)          Discovered 1999-Jul-14 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 ND38 = 2002 HO16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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