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103035 (1999 XY117)
Classification: Main-belt Asteroid          SPK-ID: 2103035
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1183300322531419 3.7117e-08  
a 2.236230575635538 7.9781e-09 au
q 1.971617339495123 8.5425e-08 au
i 2.421429835890528 4.331e-06 deg
node 290.289342031453 9.681e-05 deg
peri 158.2310028732834 9.9007e-05 deg
M 81.7576718074527 1.9972e-05 deg
tp 2458923.104562546455
(2020-Mar-14.60456255)
6.7574e-05 TDB
period 1221.443263678814
3.34
6.5365e-06
1.79e-08
d
yr
n .294733296834215 1.5773e-09 deg/d
Q 2.500843811775954 8.9221e-09 au
  Orbit Determination Parameters
   # obs. used (total)      740  
   data-arc span      7388 days (20.23 yr)  
   first obs. used      1999-11-03  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 01:43:55  

Additional Information
 Earth MOID = .988022 au 
 Jupiter MOID = 2.6601 au 
 T_jup = 3.628 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO453483  
diameter diameter 1.481 km 0.217 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.222   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103035 (1999 XY117)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 XY117 = 2002 RQ155 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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