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79777 (1998 UR19)
Classification: Main-belt Asteroid          SPK-ID: 2079777
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2128502882699563 6.2909e-08  
a 2.345456375539572 8.9713e-09 au
q 1.846225309881368 1.4622e-07 au
i 14.59307545027822 7.0248e-06 deg
node 40.74544265155905 1.6513e-05 deg
peri 329.98107993702 1.9637e-05 deg
M 14.7926402304313 1.109e-05 deg
tp 2458946.588345445424
(2020-Apr-07.08834545)
4.0296e-05 TDB
period 1312.017012332992
3.59
7.5277e-06
2.061e-08
d
yr
n .2743866860078727 1.5743e-09 deg/d
Q 2.844687441197777 1.0881e-08 au
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8612 days (23.58 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:03  

Additional Information
 Earth MOID = .861512 au 
 Jupiter MOID = 2.63879 au 
 T_jup = 3.488 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456846.5 (2014-Jul-08.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2142264914984215 6.313e-08  
q 1.842631744649385 1.4697e-07 au
tp 2456323.206017820006
(2013-Jan-30.70601782)
3.693e-05 TDB
node 40.78110770942079 1.6498e-05 deg
peri 330.0259607695849 1.9569e-05 deg
i 14.60429469357291 7.0299e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      931  
   data-arc span      8612 days (23.58 yr)  
   first obs. used      1997-04-02  
   last obs. used      2020-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55769  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:03  

Additional Information
 Jupiter MOID = 2.63879 au 
 T_jup = 3.488 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.985408222749238E-15 -9.268234494318103E-15 9.213570915180451E-13 -3.170673026079875E-14 2.32180971663773E-13 -1.173130040885128E-15
q -9.268234494318103E-15 2.160129408287879E-14 -2.163859056311913E-12 7.298813186225434E-14 -5.411207844487158E-13 3.48163554216412E-15
tp 9.213570915180451E-13 -2.163859056311913E-12 1.363820257633074E-9 -1.445309114723949E-11 3.98227976867149E-10 -2.58070623636199E-12
node -3.170673026079875E-14 7.298813186225434E-14 -1.445309114723949E-11 2.721722872965513E-10 -2.661574903579763E-10 -2.135848807434644E-11
peri 2.32180971663773E-13 -5.411207844487158E-13 3.98227976867149E-10 -2.661574903579763E-10 3.829419951539144E-10 2.010012510818197E-11
i -1.173130040885128E-15 3.48163554216412E-15 -2.58070623636199E-12 -2.135848807434644E-11 2.010012510818197E-11 4.941880705317523E-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 14.9   n/a MPO439588  
diameter diameter 3.082 km 0.282 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79777 (1998 UR19)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 UR19 = 1997 GA43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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