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243569 (1995 XN4)
Classification: Main-belt Asteroid          SPK-ID: 2243569
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1351251854482847 4.0144e-08  
a 2.76329454279152 1.7398e-08 au
q 2.389903855248583 1.0866e-07 au
i 8.596039650559899 5.1737e-06 deg
node 222.4170913721188 3.0452e-05 deg
peri 235.4014643470592 3.8031e-05 deg
M 92.98055887768224 2.1818e-05 deg
tp 2458567.159931761329
(2019-Mar-24.65993176)
0.00010052 TDB
period 1677.79615920728
4.59
1.5845e-05
4.338e-08
d
yr
n .2145671856646111 2.0264e-09 deg/d
Q 3.136685230334458 1.9749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      438  
   data-arc span      8901 days (24.37 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52087  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 12:49:13  

Additional Information
 Earth MOID = 1.41871 au 
 Jupiter MOID = 2.11045 au 
 T_jup = 3.311 
[ 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 15.8   n/a MPO454788  
diameter diameter 2.286 km 0.637 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.195   0.156 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243569 (1995 XN4)          Discovered 1995-Dec-14 by Spacewatch at Kitt Peak
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2071-Aug-12 16:11 00:04 Cybel 0.031155306630597 0.0311428897797982 0.0311677265351083 3.69942066058364 3.69942060780597 2477701.174642111 3.90496930779386 793.622778858017 127.147523496476 -39.3541205197639 23669.4754167277 T 22 CATAB v2.0f-lin.ifort 2020-May-21 12:49:16 2020-May-21 12:49

Alternate Designations
 1995 XN4 = 2001 BH57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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