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186440 (2002 RE245)
Classification: Main-belt Asteroid          SPK-ID: 2186440
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2262905449286273 4.9277e-08  
a 2.315709669387038 9.3616e-09 au
q 1.791686466404954 1.1178e-07 au
i 1.064002303774316 4.2309e-06 deg
node 7.103714161479449 0.00034043 deg
peri 24.75360223173895 0.00034064 deg
M 30.08199688641776 1.2168e-05 deg
tp 2459092.945458882445
(2020-Aug-31.44545888)
4.3426e-05 TDB
period 1287.136454023165
3.52
7.8052e-06
2.137e-08
d
yr
n .279690625554702 1.696e-09 deg/d
Q 2.839732872369122 1.148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      7709 days (21.11 yr)  
   first obs. used      2000-01-04  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47305  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:17  

Additional Information
 Earth MOID = .79643 au 
 Jupiter MOID = 2.60298 au 
 T_jup = 3.546 
[ 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 17.20   n/a E2021B55  
rotation period rot_per 3.72 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 lower-limit; Incomplete or inconclusive result.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

186440 (2002 RE245)          Discovered 2002-Sep-03 by NEAT at Haleakala
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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