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4907 Zoser (7618 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004907
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09234236023990966 1.5327e-08  
a 3.177032279414241 1.4503e-08 au
q 2.88365762017475 5.2476e-08 au
i 5.994991427889266 3.0792e-07 deg
node 136.5000916801737 7.0927e-06 deg
peri 301.4279205683824 1.2179e-05 deg
M 161.6345901408515 1.2711e-05 deg
tp 2458271.827311493276
(2018-Jun-02.32731149)
7.1156e-05 TDB
period 2068.382563231582
5.66
1.4163e-05
3.878e-08
d
yr
n .174049040249859 1.1918e-09 deg/d
Q 3.470406938653732 1.5843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2784  
   data-arc span      22064 days (60.41 yr)  
   first obs. used      1960-10-17  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44223  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:55:50  

Additional Information
 Earth MOID = 1.90473 au 
 Jupiter MOID = 1.74262 au 
 T_jup = 3.185 
[ 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 12.35   n/a E2021B10  
diameter diameter 21.162 km 0.348 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4907 Zoser (7618 P-L)          Discovered 1960-Oct-17 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 7618 P-L = 1972 XR1 = 1977 RE3 = 1980 FD11 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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