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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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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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05275294413587978 6.2686e-08  
a 3.15579237043517 2.9368e-08 au
q 2.989315031813168 2.0258e-07 au
i 9.67053452117392 5.3556e-06 deg
node 275.7380062752904 3.9316e-05 deg
peri 239.5900625442599 6.4637e-05 deg
M 1.64832570700098 4.9788e-05 deg
tp 2459191.124345588916
(2020-Dec-07.62434559)
0.00028318 TDB
period 2047.67514918586
5.61
2.8584e-05
7.826e-08
d
yr
n .175809136592361 2.4542e-09 deg/d
Q 3.322269709057173 3.0918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      668  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1998-03-05  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51454  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 07:16:40  

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 14.4   n/a MPO337849  
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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1929-Nov-06 16:18 00:04 Jupiter 1.96603429864247 1.96603328380998 1.96603531348133 4.38544389423777 4.28607772449322 2425922.178952342 3.61440005892364 236.458773143505 29.2231669142351 82.0984605743843 2854387.56323491 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
1940-Jun-04 17:23 00:04 Jupiter 1.87696204316843 1.87696133009422 1.87696275624264 2.95090746576997 2.7937982448936 2429785.224498882 3.54651073347356 161.619787594656 27.5002742449715 -83.0464224640856 2070525.77230088 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
1950-Nov-23 03:24 00:03 Jupiter 1.8462659780406 1.84626530305905 1.84626665302214 2.89581413170257 2.73279847231335 2433608.641641321 2.97516726115159 311.695733781738 26.9526193306948 85.4756477691374 2020740.61351843 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
1961-Jun-25 20:27 00:02 Jupiter 1.91127335335515 1.91127264504057 1.91127406167059 4.07096773310877 3.96061038446774 2437476.351749056 2.16478917759238 125.308440789294 25.5961359583973 81.6962835477524 2139740.35020134 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2036-May-12 03:13 < 00:01 Jupiter 1.92589526219637 1.92589470117742 1.92589582321532 4.12294153760447 4.01485150569741 2464825.633817777 0.963463041487438 87.7057531627419 24.4737380240991 -85.2732322442076 2883455.06717696 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2046-Nov-26 20:45 00:02 Jupiter 1.86460063193935 1.86459993235197 1.86460133152662 2.7138249277595 2.54092818668002 2468676.364753662 1.63120337642942 82.6972584489356 23.3408086893119 -74.4200829828253 2011635.11574163 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2057-May-17 16:05 00:02 Jupiter 1.86243168920105 1.86243102572032 1.86243235268167 3.13970331583236 2.99134571241143 2472501.169881827 2.06912960036041 207.962410896171 26.7572695482719 86.8015028025239 2015507.47299227 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2067-Dec-27 17:29 00:02 Jupiter 1.96402562569682 1.96402472872351 1.96402652267214 4.29331757319635 4.19166299357159 2476377.228194218 2.32287360884121 142.522588463818 26.3355096867543 77.2579868053343 2399518.86485452 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2142-Nov-09 10:52 00:06 Jupiter 1.8853827951177 1.88538186544845 1.88538372480023 3.82686793380464 3.70761419495666 2503721.952569210 5.63116051630414 361.917044459342 28.673902207009 87.8370063552495 2490827.99355177 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2153-May-17 00:24 00:07 Jupiter 1.85609805530287 1.85609734419193 1.85609876641413 2.55796104990894 2.37286181050812 2507563.516766136 6.86763155104525 322.113703053996 22.5057961796612 -83.8915940716225 1966708.77454187 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
2163-Nov-11 03:15 00:07 Jupiter 1.88489285023884 1.8848919302424 1.88489377023998 3.40372274706174 3.26903346900117 2511393.635326623 6.77988541688594 275.064449888425 27.8117940205727 89.1190280743023 1391009.94599974 T 30 CATAB v2.0f-lin.ifort 2021-Feb-24 07:16:42 2021-Feb-24 07:16
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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