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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16971273189527 3.2574e-08  
a 2.601386488596449 9.3045e-09 au
q 2.159898080901302 8.3464e-08 au
i 3.316465266024591 3.2909e-06 deg
node 77.29181025968032 7.4272e-05 deg
peri 54.58882034780216 7.5485e-05 deg
M 39.40316528688918 1.2736e-05 deg
tp 2458832.760881312450
(2019-Dec-15.26088131)
5.4078e-05 TDB
period 1532.518575293504
4.20
8.2222e-06
2.251e-08
d
yr
n .2349074300329794 1.2603e-09 deg/d
Q 3.042874896291596 1.0884e-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 = 2.00752 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 = 2.00752 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

[ 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 28 CATAB v2.0f-lin.ifort 2020-Nov-12 19:59:23 2020-Nov-12 19:59

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