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295248 (2008 GP38)
Classification: Main-belt Asteroid          SPK-ID: 2295248
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0946684130905544 6.5604e-08  
a 3.116793398423066 3.8433e-08 au
q 2.821731513463238 2.1482e-07 au
i 13.27316408781862 7.6156e-06 deg
node 56.87450915694242 2.5491e-05 deg
peri 201.711253979224 4.195e-05 deg
M 47.21055149144931 3.1886e-05 deg
tp 2458736.929365059609
(2019-Sep-10.42936506)
0.00017755 TDB
period 2009.835208040861
5.50
3.7175e-05
1.018e-07
d
yr
n .1791191628844632 3.3131e-09 deg/d
Q 3.411855283382894 4.2071e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-11-28  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Earth MOID = 1.81162 au 
 Jupiter MOID = 1.63171 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457160.5 (2015-May-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09303794674444041 6.5884e-08  
q 2.826797047568645 2.1451e-07 au
tp 2456734.477782956460
(2014-Mar-17.97778296)
0.00018236 TDB
node 56.93090672940097 2.5446e-05 deg
peri 202.9541570476124 4.2344e-05 deg
i 13.28531256430444 7.6198e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      7183 days (19.67 yr)  
   first obs. used      1999-11-28  
   last obs. used      2019-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59207  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:38:31  

Additional Information
 Jupiter MOID = 1.63171 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.340645261358109E-15 -1.396052596106614E-14 -5.144865494345742E-13 1.212612313689314E-14 -7.257398275961309E-14 -1.537707143418048E-16
q -1.396052596106614E-14 4.601378061563179E-14 7.653847595983162E-13 -3.837417292371547E-14 1.132107512769463E-13 4.195112288917957E-15
tp -5.144865494345742E-13 7.653847595983162E-13 3.325477250235755E-8 -3.978397259323873E-12 6.20199171167875E-9 1.300694914164532E-11
node 1.212612313689314E-14 -3.837417292371547E-14 -3.978397259323873E-12 6.475243520553446E-10 -6.303820500792665E-10 2.002187008638305E-11
peri -7.257398275961309E-14 1.132107512769463E-13 6.20199171167875E-9 -6.303820500792665E-10 1.793014699943012E-9 -1.676054703401774E-11
i -1.537707143418048E-16 4.195112288917957E-15 1.300694914164532E-11 2.002187008638305E-11 -1.676054703401774E-11 5.80612912170758E-11

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 15.7   n/a MPO437320  

295248 (2008 GP38)          Discovered 2008-Apr-03 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

[ show close-approach data ]
Alternate Designations
 2008 GP38 = 1999 WH14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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