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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06639600197180177 5.5705e-08  
a 2.951393322812848 2.3861e-08 au
q 2.755432605931804 1.6422e-07 au
i 12.15772022747676 4.9516e-06 deg
node 86.66958195506837 3.2589e-05 deg
peri 68.97830774829366 5.8407e-05 deg
M 327.2904508259199 4.7653e-05 deg
tp 2459168.771714653864
(2020-Nov-15.27171465)
0.00024568 TDB
period 1851.991812941111
5.07
2.2459e-05
6.149e-08
d
yr
n .1943853085550585 2.3573e-09 deg/d
Q 3.147354039693893 2.5446e-08 au
  Orbit Determination Parameters
   # obs. used (total)      826  
   data-arc span      7407 days (20.28 yr)  
   first obs. used      1999-10-22  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53513  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:21:18  

Additional Information
 Earth MOID = 1.79506 au 
 Jupiter MOID = 1.97803 au 
 T_jup = 3.232 
[ show covariance matrix ]

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

[ hide close-approach data ]
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
1927-Jan-29 18:57 00:03 Jupiter 1.99313081914772 1.99313020172698 1.99313143656847 2.87442130597496 2.7225642557611 2424910.289496095 3.45104914736367 208.84559571604 23.5121079133684 84.1894046366459 2385298.59198342 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 16:21:36 2020-Feb-23 16:21
1962-Jul-04 08:39 00:02 Jupiter 1.99427216335813 1.99427155667339 1.99427277004298 2.97514112104472 2.82878231820065 2437849.860516853 2.06319622576753 128.840491754848 22.9989764251391 81.5529494578516 2430886.1666719 T 21 CATAB v2.0f-lin.ifort 2020-Feb-23 16:21:36 2020-Feb-23 16:21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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