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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07203166369308911 5.0208e-08  
a 2.683108535114075 1.7635e-08 au
q 2.489839763460681 1.3354e-07 au
i 14.37108715611733 5.91e-06 deg
node 243.8531944493219 2.0846e-05 deg
peri 188.2389335127987 4.399e-05 deg
M 153.9393339512922 3.9059e-05 deg
tp 2457914.059513482393
(2017-Jun-09.55951348)
0.00017267 TDB
period 1605.298456238151
4.40
1.5826e-05
4.333e-08
d
yr
n .2242573638571996 2.2109e-09 deg/d
Q 2.876377306767469 1.8905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      854  
   data-arc span      7560 days (20.70 yr)  
   first obs. used      1998-08-27  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59404  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:36:21  

Additional Information
 Earth MOID = 1.50441 au 
 Jupiter MOID = 2.42057 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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