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JPL Small-Body Database Browser
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71134 (1999 XR177)
Classification: Main-belt Asteroid          SPK-ID: 2071134
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06661357792469441 5.7716e-08  
a 2.951037138415365 2.4214e-08 au
q 2.754457996036866 1.691e-07 au
i 12.15810794811694 4.9637e-06 deg
node 86.66975288663369 3.3681e-05 deg
peri 69.14798115913962 5.9137e-05 deg
M 249.3887186629118 4.7804e-05 deg
tp 2459169.428070402304
(2020-Nov-15.92807040)
0.00024781 TDB
period 1851.656565849353
5.07
2.279e-05
6.24e-08
d
yr
n .1944205025054786 2.3929e-09 deg/d
Q 3.147616280793864 2.5827e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      1999-10-22  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:35  

Additional Information
 Earth MOID = 1.7946 au 
 Jupiter MOID = 1.97904 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456924.5 (2014-Sep-24.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06715103373251072 5.8386e-08  
q 2.751549314315219 1.7129e-07 au
tp 2457326.739778652858
(2015-Oct-31.23977865)
0.00023586 TDB
node 86.77722305323229 3.3658e-05 deg
peri 70.82546505057023 5.8075e-05 deg
i 12.16448949956368 4.964e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      7350 days (20.12 yr)  
   first obs. used      1999-10-22  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54599  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:35  

Additional Information
 Jupiter MOID = 1.97904 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.408912426414369E-15 -9.915515735528709E-15 5.690545771084915E-12 -1.697460137104554E-14 1.135540431257927E-12 -8.373374936215561E-15
q -9.915515735528709E-15 2.934172231759508E-14 -1.584856446744126E-11 4.926069234602105E-14 -3.1889423957773E-12 2.4868363781512E-14
tp 5.690545771084915E-12 -1.584856446744126E-11 5.563119012654369E-8 -6.925366575431821E-11 1.124519310138332E-8 -2.913114283002493E-11
node -1.697460137104554E-14 4.926069234602105E-14 -6.925366575431821E-11 1.132839524709371E-9 -1.120723068321925E-9 -3.763610734764612E-11
peri 1.135540431257927E-12 -3.1889423957773E-12 1.124519310138332E-8 -1.120723068321925E-9 3.37265553232028E-9 3.097821738425677E-11
i -8.373374936215561E-15 2.4868363781512E-14 -2.913114283002493E-11 -3.763610734764612E-11 3.097821738425677E-11 2.464104232223954E-11

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 MPO385267  
diameter diameter 4.664 km 0.284 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71134 (1999 XR177)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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