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249248 (2008 RC77)
Classification: Main-belt Asteroid          SPK-ID: 2249248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09502302555577251 6.5462e-08  
a 2.974217622546949 2.8091e-08 au
q 2.691598465391242 1.9137e-07 au
i 13.63892214801515 5.7385e-06 deg
node 25.69494195979468 2.0014e-05 deg
peri 358.7728653632698 3.3496e-05 deg
M 103.5059855583019 2.5685e-05 deg
tp 2458461.832833298495
(2018-Dec-09.33283330)
0.00013248 TDB
period 1873.51657941861
5.13
2.6542e-05
7.267e-08
d
yr
n .1921520225413298 2.7222e-09 deg/d
Q 3.256836779702657 3.076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5999 days (16.42 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:14  

Additional Information
 Earth MOID = 1.69547 au 
 Jupiter MOID = 2.2007 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457350.5 (2015-Nov-24.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09276987350886826 6.5016e-08  
q 2.700998715379602 1.891e-07 au
tp 2456587.581502885672
(2013-Oct-22.08150289)
0.00013676 TDB
node 25.71914708059548 2.0024e-05 deg
peri 358.8326648423842 3.4161e-05 deg
i 13.6314049860043 5.7352e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      262  
   data-arc span      5999 days (16.42 yr)  
   first obs. used      2003-10-19  
   last obs. used      2020-03-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60415  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:19:14  

Additional Information
 Jupiter MOID = 2.2007 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.227145153369784E-15 -1.218583158331247E-14 -2.519213510498797E-12 -7.576418463298076E-15 -6.509119852348098E-13 4.869525114314344E-15
q -1.218583158331247E-14 3.57569787311927E-14 7.111856199575538E-12 2.154061221457493E-14 1.896695961933109E-12 -1.394257748657645E-14
tp -2.519213510498797E-12 7.111856199575538E-12 1.87037077089649E-8 1.355621153241381E-11 3.786951082521057E-9 -3.486745148667554E-11
node -7.576418463298076E-15 2.154061221457493E-14 1.355621153241381E-11 4.009471702398731E-10 -3.863697854037037E-10 -1.666110439253093E-11
peri -6.509119852348098E-13 1.896695961933109E-12 3.786951082521057E-9 -3.863697854037037E-10 1.166995291429869E-9 9.132634897603848E-12
i 4.869525114314344E-15 -1.394257748657645E-14 -3.486745148667554E-11 -1.666110439253093E-11 9.132634897603848E-12 3.289243178419655E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO454847  
diameter diameter 3.506 km 0.711 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249248 (2008 RC77)          Discovered 2008-Sep-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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