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101641 (1999 CU48)
Classification: Main-belt Asteroid          SPK-ID: 2101641
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1695998828336414 3.2571e-08  
a 2.601128309196964 9.2642e-09 au
q 2.159977252721891 8.3399e-08 au
i 3.316504443394993 3.2909e-06 deg
node 77.29083587631909 7.4273e-05 deg
peri 54.57303942089018 7.5489e-05 deg
M 86.41512204675887 1.2797e-05 deg
tp 2458832.685930808579
(2019-Dec-15.18593081)		 5.4132e-05 TDB
period 1532.290434505934
4.20		 8.1861e-06
2.241e-08		 d
yr
n .2349424051035579 1.2552e-09 deg/d
Q 3.042279365672037 1.0835e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1998-12-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:21  

Additional Information
 Earth MOID = 1.17651 au 
 Jupiter MOID = 2.00754 au 
 T_jup = 3.392 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457161.5 (2015-May-19.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700541877285536 3.2751e-08  
q 2.158847945915964 8.4051e-08 au
tp 2457301.774734123008
(2015-Oct-06.27473412)		 5.3118e-05 TDB
node 77.32638199930739 7.4274e-05 deg
peri 54.98177895357779 7.5469e-05 deg
i 3.316624727099093 3.2906e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      1249  
   data-arc span      7819 days (21.41 yr)  
   first obs. used      1998-12-24  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:59:21  

Additional Information
 Jupiter MOID = 2.00754 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.072605898845757E-15 -2.741619958643857E-15 6.681477321102497E-13 6.359840268562529E-15 1.633374738516432E-13 -1.153955444579251E-15
q -2.741619958643857E-15 7.064648581000363E-15 -1.749717122662573E-12 -1.595562254610048E-14 -4.312085474206392E-13 3.063579614150277E-15
tp 6.681477321102497E-13 -1.749717122662573E-12 2.82149666681087E-9 1.144604001421721E-11 7.329711350446043E-10 -1.96022858952018E-12
node 6.359840268562529E-15 -1.595562254610048E-14 1.144604001421721E-11 5.516633437086182E-9 -5.504381368966349E-9 -4.872463782074647E-11
peri 1.633374738516432E-13 -4.312085474206392E-13 7.329711350446043E-10 -5.504381368966349E-9 5.695569383780898E-9 4.814010316906169E-11
i -1.153955444579251E-15 3.063579614150277E-15 -1.96022858952018E-12 -4.872463782074647E-11 4.814010316906169E-11 1.082786944102842E-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 15.25   n/a E2021B55  

101641 (1999 CU48)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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Alternate Designations
 1999 CU48 = 2001 RY61 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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