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101693 (1999 CQ125)
Classification: Main-belt Asteroid          SPK-ID: 2101693
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1745943147283075 3.8586e-08  
a 2.452060703288216 9.7279e-09 au
q 2.023944845125398 9.7708e-08 au
i 12.613471233743 4.2871e-06 deg
node 18.75689411714903 1.7628e-05 deg
peri 95.44814999553212 2.1018e-05 deg
M 317.2700687002476 1.3547e-05 deg
tp 2459562.965771063022
(2021-Dec-14.46577106)
5.3254e-05 TDB
period 1402.475402131883
3.84
8.3459e-06
2.285e-08
d
yr
n .2566889939408342 1.5275e-09 deg/d
Q 2.880176561451033 1.1426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-11-25  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:05  

Additional Information
 Earth MOID = 1.08525 au 
 Jupiter MOID = 2.308 au 
 T_jup = 3.441 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457519.5 (2016-May-11.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736264267819802 3.8287e-08  
q 2.027158311198233 9.6851e-08 au
tp 2458156.901626387845
(2018-Feb-07.40162639)
5.0157e-05 TDB
node 18.92568626795359 1.7611e-05 deg
peri 94.70590980403139 2.1106e-05 deg
i 12.62040987126665 4.2864e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      888  
   data-arc span      8084 days (22.13 yr)  
   first obs. used      1998-11-25  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53262  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:38:05  

Additional Information
 Jupiter MOID = 2.308 au 
 T_jup = 3.441 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.465897883317954E-15 -3.696670639978294E-15 -2.471210825988086E-14 1.850904828718058E-14 3.992482213363345E-14 -3.003630212982187E-15
q -3.696670639978294E-15 9.380205739475631E-15 2.1265525190243E-13 -4.572445269466329E-14 -7.445732237963918E-14 8.21039711770346E-15
tp -2.471210825988086E-14 2.1265525190243E-13 2.515721579596171E-9 6.649798921916178E-12 5.935844106018909E-10 5.599271342104784E-12
node 1.850904828718058E-14 -4.572445269466329E-14 6.649798921916178E-12 3.101369180437162E-10 -2.999208082177642E-10 -1.96049697783483E-11
peri 3.992482213363345E-14 -7.445732237963918E-14 5.935844106018909E-10 -2.999208082177642E-10 4.454673791024892E-10 2.031751427000621E-11
i -3.003630212982187E-15 8.21039711770346E-15 5.599271342104784E-12 -1.96049697783483E-11 2.031751427000621E-11 1.837328174438686E-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 15.22   n/a E2021B55  
diameter diameter 1.658 km 0.391 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.535   0.212 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

101693 (1999 CQ125)          Discovered 1999-Feb-11 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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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
2140-Feb-08 18:19 < 00:01 Psych 0.0306398490298084 0.0306262254383409 0.0306534800716116 5.76651813688739 5.7665180684091 2502717.263129372 0.801198992577979 1015.37317222908 44.9893415485454 -48.0766861571473 75829.6894584008 T 22 CATAB v2.0f-lin.ifort 2021-Apr-13 15:38:07 2021-Apr-13 15:38

Alternate Designations
 1999 CQ125 = 2001 RE135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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