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150263 (1999 RQ108)
Classification: Main-belt Asteroid          SPK-ID: 2150263
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1090589894543224 5.9895e-08  
a 3.105154522290736 3.9918e-08 au
q 2.766509507990189 1.9895e-07 au
i 9.118942226135712 6.5839e-06 deg
node 300.7833933144295 3.9837e-05 deg
peri 84.07791650138455 5.2981e-05 deg
M 299.984918988616 4.0256e-05 deg
tp 2459533.681706421710
(2021-Nov-15.18170642)
0.00022807 TDB
period 1998.587893084133
5.47
3.8539e-05
1.055e-07
d
yr
n .1801271794178958 3.4734e-09 deg/d
Q 3.443799536591282 4.4271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:49  

Additional Information
 Earth MOID = 1.78797 au 
 Jupiter MOID = 2.05971 au 
 T_jup = 3.192 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456793.5 (2014-May-16.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133605810463353 5.9148e-08  
q 2.747589867972229 1.961e-07 au
tp 2457544.529548489722
(2016-Jun-05.02954849)
0.00019788 TDB
node 300.8776321607096 3.9958e-05 deg
peri 85.17494857894695 5.2456e-05 deg
i 9.112220202339058 6.5765e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      7587 days (20.77 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-06-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55331  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 19:17:49  

Additional Information
 Jupiter MOID = 2.05971 au 
 T_jup = 3.192 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.498513944973922E-15 -1.144665355647793E-14 -3.250256334585913E-12 4.05100341117744E-15 -5.510383269632279E-13 -1.571105708458143E-15
q -1.144665355647793E-14 3.845604260978911E-14 1.407486362473507E-11 -1.220511333006135E-14 2.335375684768326E-12 7.472849942873803E-15
tp -3.250256334585913E-12 1.407486362473507E-11 3.915755673042442E-8 -7.798513746351571E-12 6.766378277027819E-9 7.518050002584472E-12
node 4.05100341117744E-15 -1.220511333006135E-14 -7.798513746351571E-12 1.596625255038977E-9 -1.577403775419725E-9 2.492344260028367E-11
peri -5.510383269632279E-13 2.335375684768326E-12 6.766378277027819E-9 -1.577403775419725E-9 2.751661629520864E-9 -2.346391460231622E-11
i -1.571105708458143E-15 7.472849942873803E-15 7.518050002584472E-12 2.492344260028367E-11 -2.346391460231622E-11 4.325035965052822E-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 15.08   n/a E2021B55  
diameter diameter 3.532 km 0.829 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

150263 (1999 RQ108)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20070303/Numbers.arcLast Updated: 2007-03-07

Alternate Designations
 1999 RQ108 = 2005 UK251 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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