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150341 (1999 XD61)
Classification: Main-belt Asteroid          SPK-ID: 2150341
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1369651509928121 3.3123e-08  
a 2.220554411882062 9.6746e-09 au
q 1.916415841570881 7.2132e-08 au
i 5.015659161784634 3.9192e-06 deg
node 230.7788007930048 6.0225e-05 deg
peri 195.617088896759 6.3658e-05 deg
M 130.81507146079 2.1247e-05 deg
tp 2458761.316679314712
(2019-Oct-04.81667931)
7.0535e-05 TDB
period 1208.622169304808
3.31
7.8986e-06
2.163e-08
d
yr
n .297859835060836 1.9466e-09 deg/d
Q 2.524692982193244 1.1e-08 au
  Orbit Determination Parameters
   # obs. used (total)      508  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      1999-11-09  
   last obs. used      2020-05-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5183  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:18:08  

Additional Information
 Earth MOID = .929899 au 
 Jupiter MOID = 2.75296 au 
 T_jup = 3.633 
[ 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 16.52   n/a E2021B55  
diameter diameter 1.797 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150341 (1999 XD61)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1999 XD61 = 2002 RB212 = 2002 RF203 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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