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9758 Dainty (1991 GZ9)
Classification: Main-belt Asteroid          SPK-ID: 2009758
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222715098103157 4.0331e-08  
a 2.742073811154884 1.1838e-08 au
q 2.131372573297426 1.1196e-07 au
i 7.538926222128933 3.8515e-06 deg
node 283.3667801820781 3.2178e-05 deg
peri 230.2415109414399 3.2884e-05 deg
M 255.920999035669 8.4936e-06 deg
tp 2459875.988010711180
(2022-Oct-23.48801071)
4.0898e-05 TDB
period 1658.506348607075
4.54
1.074e-05
2.94e-08
d
yr
n .2170627807981274 1.4056e-09 deg/d
Q 3.352775049012342 1.4475e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1473  
   data-arc span      16221 days (44.41 yr)  
   first obs. used      1977-02-10  
   last obs. used      2021-07-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50265  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:42:41  

Additional Information
 Earth MOID = 1.15209 au 
 Jupiter MOID = 1.72306 au 
 T_jup = 3.301 
[ 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 13.94   n/a E2021B10  
diameter diameter 7.733 km 0.154 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

9758 Dainty (1991 GZ9)          Discovered 1991-Apr-13 by Steel, D. I. at Siding Spring
Reference: 19981208/Numbers.arcLast Updated: 2004-04-19

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