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12021 (1996 XX19)
Classification: Main-belt Asteroid          SPK-ID: 2012021
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1605278173081056 3.6909e-08  
a 2.240044378135311 6.0543e-09 au
q 1.880454943439957 8.2557e-08 au
i 4.019419810125476 3.2186e-06 deg
node 102.137327485806 6.0118e-05 deg
peri 251.2727551670911 6.11e-05 deg
M 82.54156560931628 1.0359e-05 deg
tp 2458719.728151182091
(2019-Aug-24.22815118)
3.5321e-05 TDB
period 1224.5692800748
3.35
4.9646e-06
1.359e-08
d
yr
n .2939809170927513 1.1918e-09 deg/d
Q 2.599633812830665 7.0262e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1670  
   data-arc span      18086 days (49.52 yr)  
   first obs. used      1971-04-16  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52481  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:55:43  

Additional Information
 Earth MOID = .879719 au 
 Jupiter MOID = 2.82912 au 
 T_jup = 3.615 
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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 14.9   n/a MPO502260  
diameter diameter 2.741 km 0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.310   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12021 (1996 XX19)          Discovered 1996-Dec-12 by Kobayashi, T. at Oizumi
Reference: 19991026/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
2151-Sep-18 09:26 00:05 Amphi 0.0189203816967679 0.0189136333139768 0.0189271356971876 2.9773060331835 2.97730593113193 2506956.892802726 5.28297337485892 614.798303554757 20.9225270854092 56.8828059504755 113225.747775939 T 26 CATAB v2.0f-lin.ifort 2020-Nov-13 02:55:48 2020-Nov-13 02:55

Alternate Designations
 1996 XX19 = 1992 PQ3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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