Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
71134 (1999 XR177)
Classification: Main-belt Asteroid          SPK-ID: 2071134
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

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.


[ revert to old Java-based viewer ]

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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06717815526444505 5.6388e-08  
q 2.751627012998407 1.6656e-07 au
tp 2457326.539156146763
(2015-Oct-31.03915615)
0.00023364 TDB
node 86.77745898791989 3.2567e-05 deg
peri 70.78174910573645 5.722e-05 deg
i 12.16424533249382 4.9524e-06 deg
  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
 Jupiter MOID = 1.97803 au 
 T_jup = 3.232 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.179557587640299E-15 -9.309391468850492E-15 5.205372892737682E-12 -1.643748429266146E-14 1.05063110960616E-12 -7.773976160595033E-15
q -9.309391468850492E-15 2.774174094307442E-14 -1.456626850461044E-11 4.772193434018684E-14 -2.964414259547278E-12 2.328878034046668E-14
tp 5.205372892737682E-12 -1.456626850461044E-11 5.458555950996784E-8 -7.552462012970304E-11 1.106854290598472E-8 -2.756855974115697E-11
node -1.643748429266146E-14 4.772193434018684E-14 -7.552462012970304E-11 1.060607944227868E-9 -1.051399751858798E-9 -3.48297533664795E-11
peri 1.05063110960616E-12 -2.964414259547278E-12 1.106854290598472E-8 -1.051399751858798E-9 3.274136769139259E-9 2.851462029759642E-11
i -7.773976160595033E-15 2.328878034046668E-14 -2.756855974115697E-11 -3.48297533664795E-11 2.851462029759642E-11 2.452655680141185E-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

[ 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-11 05:07 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin