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70406 (1999 RT252)
Classification: Main-belt Asteroid          SPK-ID: 2070406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368842509057623 3.7451e-08  
a 2.361066741289354 9.3432e-09 au
q 2.037873889069451 9.2778e-08 au
i 6.004497754461757 3.5156e-06 deg
node 264.8822088060832 3.6161e-05 deg
peri 71.98250775746727 3.8439e-05 deg
M 271.4522386553482 1.3866e-05 deg
tp 2459326.438683789834
(2021-Apr-21.93868379)
5.1552e-05 TDB
period 1325.137128059392
3.63
7.8658e-06
2.154e-08
d
yr
n .271669997298472 1.6126e-09 deg/d
Q 2.684259593509256 1.0622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1205  
   data-arc span      8186 days (22.41 yr)  
   first obs. used      1998-03-25  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48035  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:50  

Additional Information
 Earth MOID = 1.03775 au 
 Jupiter MOID = 2.67089 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO468643  
diameter diameter 2.220 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 45.7282 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.358   0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70406 (1999 RT252)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RT252 = 1999 TT108 = 2001 BL63 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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