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71112 (1999 XP155)
Classification: Main-belt Asteroid          SPK-ID: 2071112
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07141742509152556 4.9506e-08  
a 2.683512639233638 1.7352e-08 au
q 2.491863076339008 1.3127e-07 au
i 14.3547788801946 5.8648e-06 deg
node 243.8108968816675 1.7756e-05 deg
peri 189.2948934942446 3.909e-05 deg
M 242.4526836426298 3.6791e-05 deg
tp 2459524.780991768012
(2021-Nov-06.28099177)
0.00016605 TDB
period 1605.661131919583
4.40
1.5574e-05
4.264e-08
d
yr
n .2242067101478732 2.1746e-09 deg/d
Q 2.875162202128269 1.8591e-08 au
  Orbit Determination Parameters
   # obs. used (total)      943  
   data-arc span      7641 days (20.92 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5731  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:20:58  

Additional Information
 Earth MOID = 1.50695 au 
 Jupiter MOID = 2.42026 au 
 T_jup = 3.327 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.5   n/a MPO347978  
diameter diameter 3.347 km 0.770 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.231   0.040 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

71112 (1999 XP155)          Discovered 1999-Dec-08 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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