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249252 (2008 RD130)
Classification: Main-belt Asteroid          SPK-ID: 2249252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1703583259261897 9.1649e-08  
a 2.371295707215802 2.8182e-08 au
q 1.967325740258558 2.1038e-07 au
i 11.35319003402526 1.1183e-05 deg
node 9.753615065939707 2.9081e-05 deg
peri 144.7566206572265 4.2371e-05 deg
M 178.3753435855692 3.9337e-05 deg
tp 2457939.640220094587
(2017-Jul-05.14022009)
0.00013752 TDB
period 1333.757883705603
3.65
2.3777e-05
6.51e-08
d
yr
n .2699140559153103 4.8117e-09 deg/d
Q 2.775265674173046 3.2983e-08 au
  Orbit Determination Parameters
   # obs. used (total)      139  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      1999-02-10  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62397  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:44:31  

Additional Information
 Earth MOID = .986964 au 
 Jupiter MOID = 2.22462 au 
 T_jup = 3.499 
[ 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 16.8   n/a MPO345629  
diameter diameter 2.084 km 0.053 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249252 (2008 RD130)          Discovered 2008-Sep-04 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 RD130 = 1999 CP90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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