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97791 (2000 ND9)
Classification: Main-belt Asteroid          SPK-ID: 2097791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1925436695938119 4.0924e-08  
a 2.227115028279955 5.8268e-09 au
q 1.798298128127406 9.0417e-08 au
i 4.818980266650137 3.0976e-06 deg
node 298.7267417010897 5.0139e-05 deg
peri 33.81157534567542 5.0969e-05 deg
M 50.89839372982431 9.4256e-06 deg
tp 2459028.861790353917
(2020-Jun-28.36179035)
3.1804e-05 TDB
period 1213.982425468641
3.32
4.7642e-06
1.304e-08
d
yr
n .2965446553816683 1.1638e-09 deg/d
Q 2.655931928432504 6.9487e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1402  
   data-arc span      14799 days (40.52 yr)  
   first obs. used      1980-08-06  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45809  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:18:53  

Additional Information
 Earth MOID = .788052 au 
 Jupiter MOID = 2.70229 au 
 T_jup = 3.616 
[ 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 E2021B10  
diameter diameter 2.120 km 0.138 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 29.6622 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.327   0.061 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97791 (2000 ND9)          Discovered 2000-Jul-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

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Alternate Designations
 2000 ND9 = 1980 PL1 = 1990 SR15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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