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JPL Small-Body Database Browser
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185550 (2007 YP57)
Classification: Main-belt Asteroid          SPK-ID: 2185550
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1098566586058217 4.6705e-08  
a 3.044321088861931 3.1146e-08 au
q 2.709882146316322 1.4327e-07 au
i 4.876558073013877 5.699e-06 deg
node 84.82141988203824 8.0396e-05 deg
peri 192.867038661644 8.6897e-05 deg
M 285.7318254189692 3.3438e-05 deg
tp 2459400.752782714078
(2021-Jul-05.25278271)
0.00018179 TDB
period 1940.144652671604
5.31
2.9774e-05
8.152e-08
d
yr
n .1855531748647068 2.8475e-09 deg/d
Q 3.378760031407539 3.4567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      9392 days (25.71 yr)  
   first obs. used      1994-05-15  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 20:06:43  

Additional Information
 Earth MOID = 1.69374 au 
 Jupiter MOID = 1.72952 au 
 T_jup = 3.224 
[ 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 15.7   n/a MPO427129  
diameter diameter 3.350 km 0.477 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185550 (2007 YP57)          Discovered 2007-Dec-28 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2007 YP57 = 1995 ON17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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