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3512 Eriepa (1984 AC1)
Classification: Main-belt Asteroid          SPK-ID: 2003512
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .2471199545642634 3.3387e-08  
a 2.249190650307248 5.1933e-09 au
q 1.693370758996954 7.3969e-08 au
i 7.496737529041549 3.2522e-06 deg
node 112.77410494139 2.7489e-05 deg
peri 301.0555988031226 2.8283e-05 deg
M 25.06628388931503 6.3937e-06 deg
tp 2459114.712248646621
(2020-Sep-22.21224865)
2.1809e-05 TDB
period 1232.076945413565
3.37
4.2672e-06
1.168e-08
d
yr
n .2921895433074277 1.012e-09 deg/d
Q 2.805010541617541 6.4766e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2132  
   data-arc span      15138 days (41.45 yr)  
   first obs. used      1979-08-14  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44098  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 01:11:10  

Additional Information
 Earth MOID = .718932 au 
 Jupiter MOID = 2.58108 au 
 T_jup = 3.577 
[ 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 13.92   n/a E2021B10  
diameter diameter 4.880 km 0.889 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
rotation period rot_per 6.784 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Ditteon, R.; Hirsch, B.; Kirkpatrick, E.; Kramb, S.; et al. (2004) Minor Planet Bull. 31, 54-56.]
[Skiff, B.A. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Szabo, R.; Pal, A.; Sarneczky, K.; Szabo, Gy.M.; et al. (2016) Astron. Astrophys. 596, A40.]
geometric albedo albedo 0.136   0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

3512 Eriepa (1984 AC1)          Discovered 1984-Jan-08 by Wagner, J. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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