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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07486285943319669 7.5448e-08  
a 2.260874073017314 1.3947e-08 AU
q 2.09161857509286 1.6863e-07 AU
i 7.277913268188211 6.8457e-06 deg
node 75.35143030060148 5.2048e-05 deg
peri 122.229421941557 6.5426e-05 deg
M 299.6711746930687 4.1532e-05 deg
tp 2457208.582403403190
(2015-Jul-05.08240340)
0.00014378 JED
period 1241.689438573273
3.40
1.149e-05
3.146e-08
d
yr
n .2899275686951542 2.6828e-09 deg/d
Q 2.430129570941768 1.4991e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1024  
   data-arc span      22633 days (61.97 yr)  
   first obs. used      1952-11-16  
   last obs. used      2014-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53094  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:51:57  

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) (688)
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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