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71050 (1999 XY88)
Classification: Main-belt Asteroid          SPK-ID: 2071050
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01897343634425872 4.1124e-08  
a 3.064683014671466 2.769e-08 au
q 3.006535446577266 1.3039e-07 au
i 10.96943449351808 4.8042e-06 deg
node 98.3952499303832 3.2043e-05 deg
peri 352.3950907894596 0.00018072 deg
M 297.3450494930892 0.00017918 deg
tp 2459341.559113916994
(2021-May-07.05911392)
0.00097708 TDB
period 1959.642135485772
5.37
2.6559e-05
7.271e-08
d
yr
n .1837070113369247 2.4897e-09 deg/d
Q 3.122830582765665 2.8215e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:23  

Additional Information
 Earth MOID = 2.02352 au 
 Jupiter MOID = 1.99223 au 
 T_jup = 3.204 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457091.5 (2015-Mar-10.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01600831417600241 4.0036e-08  
q 3.016450742131071 1.2799e-07 au
tp 2457344.814521431334
(2015-Nov-18.31452143)
0.0011678 TDB
node 98.57182548964768 3.2114e-05 deg
peri 345.7336497219067 0.00021694 deg
i 10.95611573335656 4.8008e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1998-09-21  
   last obs. used      2019-11-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56038  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:15:23  

Additional Information
 Jupiter MOID = 1.99223 au 
 T_jup = 3.204 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.602864124366229E-15 -5.004231203994106E-15 2.985030572752894E-12 -8.244323046158797E-16 5.506236820092921E-13 8.097466660846684E-16
q -5.004231203994106E-15 1.63805578706236E-14 2.433140275645984E-12 1.295496668688984E-16 4.223671543323627E-13 -8.694866986063514E-16
tp 2.985030572752894E-12 2.433140275645984E-12 1.363681578778955E-6 -2.184714738976642E-10 2.506096026743359E-7 1.87799058124451E-11
node -8.244323046158797E-16 1.295496668688984E-16 -2.184714738976642E-10 1.031291617006962E-9 -1.052508183998589E-9 3.49861509287716E-11
peri 5.506236820092921E-13 4.223671543323627E-13 2.506096026743359E-7 -1.052508183998589E-9 4.706388264959802E-8 -3.100660910305521E-11
i 8.097466660846684E-16 -8.694866986063514E-16 1.87799058124451E-11 3.49861509287716E-11 -3.100660910305521E-11 2.304726930412179E-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 14.2   n/a MPO502591  
diameter diameter 5.533 km 0.332 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.145   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71050 (1999 XY88)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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