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100674 (1997 XX1)
Classification: Main-belt Asteroid          SPK-ID: 2100674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1651715222096304 1.6317e-07  
a 2.522375026226944 1.2895e-08 au
q 2.105750503561483 4.1177e-07 au
i 6.91332634481269 5.1725e-06 deg
node 114.6457348064973 5.38e-05 deg
peri 282.3095927617097 5.5629e-05 deg
M 298.990542971395 1.6939e-05 deg
tp 2459448.474813764292
(2021-Aug-21.97481376)
6.9467e-05 TDB
period 1463.231067821001
4.01
1.1221e-05
3.072e-08
d
yr
n .2460308613704471 1.8867e-09 deg/d
Q 2.938999548892405 1.5025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      11195 days (30.65 yr)  
   first obs. used      1989-11-30  
   last obs. used      2020-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50644  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 20:04:52  

Additional Information
 Earth MOID = 1.12509 au 
 Jupiter MOID = 2.50002 au 
 T_jup = 3.426 
[ 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 14.4   n/a MPO436469  
diameter diameter 4.022 km 0.175 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.228   0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

100674 (1997 XX1)          Discovered 1997-Dec-02 by Shimizu, Y., Urata, T. at Nachi-Katsuura
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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