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103002 (1999 XH98)
Classification: Main-belt Asteroid          SPK-ID: 2103002
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2273152447627002 5.3722e-08  
a 2.976822224461162 1.6335e-08 au
q 2.300145151892727 1.6532e-07 au
i 10.04009335531081 3.8945e-06 deg
node 73.54308123719854 2.9975e-05 deg
peri 314.2447674362611 3.1741e-05 deg
M 67.71801411419818 9.41e-06 deg
tp 2458847.618014146517
(2019-Dec-30.11801415)
4.7939e-05 TDB
period 1875.978150998646
5.14
1.5442e-05
4.228e-08
d
yr
n .1918998895634045 1.5796e-09 deg/d
Q 3.653499297029597 2.0049e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1030  
   data-arc span      7747 days (21.21 yr)  
   first obs. used      1999-11-03  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50744  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:33:01  

Additional Information
 Earth MOID = 1.31773 au 
 Jupiter MOID = 1.83413 au 
 T_jup = 3.199 
[ 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 14.6   n/a MPO453482  
diameter diameter 4.020 km 0.241 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.208   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

103002 (1999 XH98)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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