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97241 (1999 XR84)
Classification: Main-belt Asteroid          SPK-ID: 2097241
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1095829256746598 3.5385e-08  
a 2.808527700559968 1.4429e-08 au
q 2.500761018294281 9.859e-08 au
i 1.669914026354066 3.7617e-06 deg
node 281.7296569878716 0.00013344 deg
peri 165.1881906946931 0.00013488 deg
M 218.5540453410595 2.1107e-05 deg
tp 2460071.967604152336
(2023-May-07.46760415)
0.00010359 TDB
period 1719.160778271651
4.71
1.3248e-05
3.627e-08
d
yr
n .2094044981423576 1.6137e-09 deg/d
Q 3.116294382825653 1.601e-08 au
  Orbit Determination Parameters
   # obs. used (total)      865  
   data-arc span      7911 days (21.66 yr)  
   first obs. used      1999-12-07  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48256  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:23:09  

Additional Information
 Earth MOID = 1.51715 au 
 Jupiter MOID = 2.06393 au 
 T_jup = 3.313 
[ 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 15.04   n/a E2021B10  
diameter diameter 3.419 km 0.563 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97241 (1999 XR84)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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