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(2010 DH77)
Classification: Apollo [NEO]          SPK-ID: 3511354
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | 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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7082041142240845 1.9651e-07  
a 3.26810375876697 4.5115e-08 au
q .9536192310970069 6.4496e-07 au
i 34.33705470340725 7.5122e-05 deg
node 305.2214796118003 1.9264e-05 deg
peri 236.6543592507466 7.6684e-05 deg
M 257.5788377818544 1.1995e-05 deg
tp 2459614.444877933442
(2022-Feb-03.94487793)
8.0301e-05 TDB
period 2157.953993778075
5.91
4.4685e-05
1.223e-07
d
yr
n .166824687198138 3.4544e-09 deg/d
Q 5.582588286436932 7.7065e-08 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      2168 days (5.94 yr)  
   first obs. used      2010-02-19  
   last obs. used      2016-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37645  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-15 06:57:22  

Additional Information
 Earth MOID = .148998 au 
 Jupiter MOID = 1.48636 au 
 T_jup = 2.516 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 21.4   n/a MPO363522  
diameter diameter 0.520 km 0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  
geometric albedo albedo 0.009   0.002 urn:nasa:pds:neowise_diameters_albedos::2.0[neos] (http://adsabs.harvard.edu/abs/2011ApJ...743..156M)  

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