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79775 (1998 UH19)
Classification: Main-belt Asteroid          SPK-ID: 2079775
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2294480283341457 5.8358e-08  
a 2.577487560913516 1.4047e-08 au
q 1.986088122006123 1.513e-07 au
i 26.10753265301942 5.2421e-06 deg
node 203.7006665888887 1.3494e-05 deg
peri 250.1763974820702 1.9038e-05 deg
M 32.53857648339939 9.9189e-06 deg
tp 2458863.887844938296
(2020-Jan-15.38784494)		 4.1991e-05 TDB
period 1511.448291147719
4.14		 1.2356e-05
3.383e-08		 d
yr
n .2381821476185823 1.9471e-09 deg/d
Q 3.168886999820908 1.727e-08 au
   Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7837 days (21.46 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:04  

Additional Information
 Earth MOID = 1.126 au 
 Jupiter MOID = 2.56717 au 
 T_jup = 3.249 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457563.5 (2016-Jun-24.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2282854216734563 5.8408e-08  
q 1.990034329981404 1.5136e-07 au
tp 2457353.290336939894
(2015-Nov-26.79033694)		 4.8042e-05 TDB
node 203.7110130486361 1.349e-05 deg
peri 250.4331104246325 1.9097e-05 deg
i 26.10202954792427 5.239e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      499  
   data-arc span      7837 days (21.46 yr)  
   first obs. used      1998-09-26  
   last obs. used      2020-03-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54771  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:04  

Additional Information
 Jupiter MOID = 2.56717 au 
 T_jup = 3.249 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.4115466054401E-15 -8.817224952217909E-15 -1.886540124890216E-13 8.099198873007566E-15 -3.197408427319469E-14 -4.275303499969669E-14
q -8.817224952217909E-15 2.290945695611075E-14 1.868704250184958E-13 -2.185543350471928E-14 2.931481436024194E-15 1.112853138553728E-13
tp -1.886540124890216E-13 1.868704250184958E-13 2.308035814792412E-9 2.732987880007629E-12 6.836333309171581E-10 2.273977161887461E-12
node 8.099198873007566E-15 -2.185543350471928E-14 2.732987880007629E-12 1.819934604448129E-10 -1.630327560839917E-10 2.575829642109485E-11
peri -3.197408427319469E-14 2.931481436024194E-15 6.836333309171581E-10 -1.630327560839917E-10 3.647131762009863E-10 -2.301768151000746E-11
i -4.275303499969669E-14 1.112853138553728E-13 2.273977161887461E-12 2.575829642109485E-11 -2.301768151000746E-11 2.744711778057077E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO375557  
diameter diameter 2.766 km 0.398 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79775 (1998 UH19)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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