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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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .169599883604106 3.2571e-08  
a 2.601128306343692 9.2642e-09 au
q 2.159977248348457 8.3399e-08 au
i 3.316504438380334 3.2909e-06 deg
node 77.29083568975629 7.4273e-05 deg
peri 54.57304047437191 7.5489e-05 deg
M 86.4151216698677 1.2797e-05 deg
tp 2458832.685933017967
(2019-Dec-15.18593302)
5.4132e-05 TDB
period 1532.290431984697
4.20
8.1861e-06
2.241e-08
d
yr
n .2349424054901331 1.2552e-09 deg/d
Q 3.042279364338928 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:49  

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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1700541886062275 3.2751e-08  
q 2.158847941860895 8.4051e-08 au
tp 2457301.774737754872
(2015-Oct-06.27473775)
5.3118e-05 TDB
node 77.32638167398648 7.4274e-05 deg
peri 54.98178001472172 7.5469e-05 deg
i 3.316624730661608 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:37:49  

Additional Information
 Jupiter MOID = 2.00754 au 
 T_jup = 3.392 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.072605842678642E-15 -2.741619608005765E-15 6.681475305254065E-13 6.359745968786804E-15 1.633375362972146E-13 -1.153955019534799E-15
q -2.741619608005765E-15 7.064647015718252E-15 -1.749716512843442E-12 -1.59552507991358E-14 -4.312088355961978E-13 3.063577851502112E-15
tp 6.681475305254065E-13 -1.749716512843442E-12 2.821496779223811E-9 1.144574370192679E-11 7.329715657195714E-10 -1.960228004413312E-12
node 6.359745968786804E-15 -1.59552507991358E-14 1.144574370192679E-11 5.51663359052856E-9 -5.504381584110314E-9 -4.8724645210954E-11
peri 1.633375362972146E-13 -4.312088355961978E-13 7.329715657195714E-10 -5.504381584110314E-9 5.695569713353889E-9 4.814011054204901E-11
i -1.153955019534799E-15 3.063577851502112E-15 -1.960228004413312E-12 -4.8724645210954E-11 4.814011054204901E-11 1.082786961524124E-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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2193-Jul-02 10:10 00:05 Iris 0.016303441806835 0.0163003521120036 0.0163065780661813 5.65356344444184 5.65356338207245 2522219.923930790 4.73322261332165 1448.06056958883 46.4905815326745 84.1277839076947 52170.1802737728 T 29 CATAB v2.0f-lin.ifort 2021-Apr-13 15:37:52 2021-Apr-13 15:37

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