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65660 (1985 PM1)
Classification: Main-belt Asteroid          SPK-ID: 2065660
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3283342130657234 5.8771e-08  
a 2.73878388689276 1.9672e-08 au
q 1.839547434632742 1.5655e-07 au
i 17.22178065835021 6.2623e-06 deg
node 162.2825952934172 1.9178e-05 deg
peri 189.7298053288049 2.0586e-05 deg
M 227.9475194416632 8.8348e-06 deg
tp 2459607.766237310960
(2022-Jan-28.26623731)
4.4172e-05 TDB
period 1655.522444619038
4.53
1.7837e-05
4.884e-08
d
yr
n .2174540134868674 2.3428e-09 deg/d
Q 3.638020339152777 2.6131e-08 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      14400 days (39.43 yr)  
   first obs. used      1980-08-04  
   last obs. used      2020-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50552  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:43:01  

Additional Information
 Earth MOID = .83531 au 
 Jupiter MOID = 1.80284 au 
 T_jup = 3.209 
[ 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 15.1   n/a MPO333366  
diameter diameter 6.546 km 0.935 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65660 (1985 PM1)          Discovered 1985-Aug-14 by CERGA at Caussols
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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