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295798 (2008 UL277)
Classification: Main-belt Asteroid          SPK-ID: 2295798
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419852334768822 8.3312e-08  
a 2.330172164459278 1.9196e-08 au
q 1.999322125647195 1.9235e-07 au
i 2.808267928032546 9.7515e-06 deg
node 39.17132404607068 0.000132 deg
peri 124.06499797 0.000135 deg
M 342.7191093710796 2.801e-05 deg
tp 2459062.865450329723
(2020-Aug-01.36545033)
0.00010133 TDB
period 1299.213252419214
3.56
1.6054e-05
4.395e-08
d
yr
n .2770907696097296 3.424e-09 deg/d
Q 2.661022203271361 2.1921e-08 au
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:42:40  

Additional Information
 Earth MOID = 1.00861 au 
 Jupiter MOID = 2.31366 au 
 T_jup = 3.556 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457123.5 (2015-Apr-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1419832635991998 8.3624e-08  
q 1.999434224624202 1.9316e-07 au
tp 2457764.582468639168
(2017-Jan-11.08246864)
9.6973e-05 TDB
node 39.1793920432671 0.00013198 deg
peri 124.26856146016 0.00013494 deg
i 2.80895323512182 9.7521e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      125  
   data-arc span      6628 days (18.15 yr)  
   first obs. used      2001-11-11  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67483  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 16:42:40  

Additional Information
 Jupiter MOID = 2.31366 au 
 T_jup = 3.556 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.993010888086348E-15 -1.609592758559005E-14 4.766403459090086E-12 -3.58181387449469E-14 1.350231964687363E-12 5.102435720434636E-16
q -1.609592758559005E-14 3.73125147058532E-14 -1.084972096427363E-11 8.134642113813117E-14 -3.112867199498523E-12 -1.213363561002792E-15
tp 4.766403459090086E-12 -1.084972096427363E-11 9.403693083475253E-9 -4.449480811270224E-11 2.746834555894607E-9 1.066332458300072E-12
node -3.58181387449469E-14 8.134642113813117E-14 -4.449480811270224E-11 1.741833840719033E-8 -1.740917647212179E-8 -5.644326520164456E-10
peri 1.350231964687363E-12 -3.112867199498523E-12 2.746834555894607E-9 -1.740917647212179E-8 1.820815085992589E-8 5.641606657957936E-10
i 5.102435720434636E-16 -1.213363561002792E-15 1.066332458300072E-12 -5.644326520164456E-10 5.641606657957936E-10 9.510423294100903E-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 17.6   n/a MPO455186  

295798 (2008 UL277)          Discovered 2008-Oct-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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