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78796 (2002 XH22)
Classification: Main-belt Asteroid          SPK-ID: 2078796
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05275295068543039 6.0575e-08  
a 3.155792368257409 2.4734e-08 au
q 2.989315009081268 1.9158e-07 au
i 9.670532644660767 4.8037e-06 deg
node 275.7380073248588 3.9274e-05 deg
peri 239.5900574122308 6.3878e-05 deg
M 1.648331271899959 4.7793e-05 deg
tp 2459191.124313945551
(2020-Dec-07.62431395)
0.00027185 TDB
period 2047.675147066258
5.61
2.4073e-05
6.591e-08
d
yr
n .1758091367743456 2.0669e-09 deg/d
Q 3.322269727433549 2.6038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      756  
   data-arc span      8419 days (23.05 yr)  
   first obs. used      1998-03-05  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49944  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:31:37  

Additional Information
 Earth MOID = 2.01483 au 
 Jupiter MOID = 1.80725 au 
 T_jup = 3.182 
[ 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 14.41   n/a MPCxxxxx  
diameter diameter 3.847 km 0.507 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.227   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78796 (2002 XH22)          Discovered 2002-Dec-03 by NEAT at Palomar
Reference: 20040415/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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