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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1350139673527483 3.9588e-08  
a 2.763241260780431 1.7195e-08 au
q 2.390165095409654 1.0673e-07 au
i 8.595950850957019 5.1694e-06 deg
node 222.4162555516119 2.9071e-05 deg
peri 235.3709510906847 3.6871e-05 deg
M 135.9417769873699 2.1954e-05 deg
tp 2458566.955570878565
(2019-Mar-24.45557088)
0.00010049 TDB
period 1677.747632391967
4.59
1.566e-05
4.287e-08
d
yr
n .2145733917602062 2.0028e-09 deg/d
Q 3.136317426151207 1.9516e-08 au
  Orbit Determination Parameters
   # obs. used (total)      453  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 01:44:09  

Additional Information
 Earth MOID = 1.41872 au 
 Jupiter MOID = 2.11074 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 15.97   n/a E2021B55  
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

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