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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06661357938730081 6.2662e-08  
a 2.95103713886224 2.5468e-08 au
q 2.754457992137767 1.8103e-07 au
i 12.15810774766914 4.9698e-06 deg
node 86.66974263889786 3.5663e-05 deg
peri 69.14799316639588 6.095e-05 deg
M 249.3887166423567 4.8957e-05 deg
tp 2459169.428080924238
(2020-Nov-15.92808092)
0.00025419 TDB
period 1851.656566269947
5.07
2.3971e-05
6.563e-08
d
yr
n .194420502461317 2.5169e-09 deg/d
Q 3.147616285586713 2.7165e-08 au
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      7045 days (19.29 yr)  
   first obs. used      1999-10-22  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:25:50  

Additional Information
 Earth MOID = 1.7946 au 
 Jupiter MOID = 1.97904 au 
 T_jup = 3.232 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456809.5 (2014-Jun-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06708698711067757 6.3408e-08  
q 2.751415063762577 1.833e-07 au
tp 2457327.211296141809
(2015-Oct-31.71129614)
0.00024007 TDB
node 86.77634763542588 3.5637e-05 deg
peri 70.92546811196466 5.9794e-05 deg
i 12.16488770405629 4.9703e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      749  
   data-arc span      7045 days (19.29 yr)  
   first obs. used      1999-10-22  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55271  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:25:50  

Additional Information
 Jupiter MOID = 1.97904 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.020585952030728E-15 -1.153016949328084E-14 6.761517947957999E-12 -2.229278554894157E-14 1.319553787185334E-12 -9.859571042658911E-15
q -1.153016949328084E-14 3.359927863133884E-14 -1.867791832594891E-11 6.312151742355619E-14 -3.674958382266109E-12 2.881157467396634E-14
tp 6.761517947957999E-12 -1.867791832594891E-11 5.763159464070596E-8 -1.044661952699646E-10 1.161935829060648E-8 -3.173081323708757E-11
node -2.229278554894157E-14 6.312151742355619E-14 -1.044661952699646E-10 1.270029575654794E-9 -1.261784657572805E-9 -3.817466634190333E-11
peri 1.319553787185334E-12 -3.674958382266109E-12 1.161935829060648E-8 -1.261784657572805E-9 3.575332625831503E-9 3.106814026515781E-11
i -9.859571042658911E-15 2.881157467396634E-14 -3.173081323708757E-11 -3.817466634190333E-11 3.106814026515781E-11 2.470417568785868E-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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