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70203 (1999 RE25)
Classification: Main-belt Asteroid          SPK-ID: 2070203
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .122021952684942 2.5195e-08  
a 2.41168267091387 7.7217e-09 au
q 2.117404442152524 5.8965e-08 au
i 1.814667961647692 2.822e-06 deg
node 274.3423588586023 0.00014397 deg
peri 196.071449550163 0.00014545 deg
M 147.7462630975891 2.1021e-05 deg
tp 2458639.073800579210
(2019-Jun-04.57380058)
7.8983e-05 TDB
period 1367.976607692506
3.75
6.57e-06
1.799e-08
d
yr
n .2631623947190483 1.2639e-09 deg/d
Q 2.705960899675217 8.664e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1535  
   data-arc span      18024 days (49.35 yr)  
   first obs. used      1971-02-18  
   last obs. used      2020-06-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5118  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:01:40  

Additional Information
 Earth MOID = 1.13403 au 
 Jupiter MOID = 2.39015 au 
 T_jup = 3.508 
[ 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 14.98   n/a E2021B10  
diameter diameter 6.113 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 23.916 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.062   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70203 (1999 RE25)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RE25 = 1971 DM1 = 1977 XM1 = 1982 BZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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