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3057 Malaren (1981 EG)
Classification: Main-belt Asteroid          SPK-ID: 2003057
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0748628617663311 6.773e-08  
a 2.260874073445214 1.2014e-08 AU
q 2.091618570213803 1.5402e-07 AU
i 7.277918621440647 5.6497e-06 deg
node 75.35141237751608 4.9921e-05 deg
peri 122.2294414192063 6.128e-05 deg
M 299.671172775951 3.5605e-05 deg
tp 2457208.582410074666
(2015-Jul-05.08241007)
0.00012284 JED
period 1241.689438925782
3.40
9.8972e-06
2.71e-08
d
yr
n .2899275686128453 2.3109e-09 deg/d
Q 2.430129576676625 1.2913e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1221  
   data-arc span      22859 days (62.58 yr)  
   first obs. used      1952-11-16  
   last obs. used      2015-06-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50672  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:44:35  

Additional Information
 Earth MOID = 1.0993 AU 
 T_jup = 3.606 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO272651  

3057 Malaren (1981 EG)          Discovered 1981-Mar-09 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1981 EG = 1976 YH4 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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