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90604 (4813 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2090604
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2047280055590591 2.9697e-08  
a 2.379855842847201 1.1489e-08 au
q 1.89263270262302 7.0759e-08 au
i 6.264415958498865 4.6705e-06 deg
node 159.7753934259664 3.8494e-05 deg
peri 121.6525108114083 4.1415e-05 deg
M 260.479660992602 1.7127e-05 deg
tp 2459767.209528694859
(2022-Jul-06.70952869)
6.4947e-05 TDB
period 1340.986492421699
3.67
9.7108e-06
2.659e-08
d
yr
n .268459079964238 1.9441e-09 deg/d
Q 2.867078983071382 1.3841e-08 au
  Orbit Determination Parameters
   # obs. used (total)      594  
   data-arc span      22109 days (60.53 yr)  
   first obs. used      1960-09-24  
   last obs. used      2021-04-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53177  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:38:35  

Additional Information
 Earth MOID = .885121 au 
 Jupiter MOID = 2.30719 au 
 T_jup = 3.502 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.10   n/a MPCxxxxx  

90604 (4813 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 4813 P-L = 2003 EY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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