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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744913060686057 3.8586e-08  
a 2.452098645752129 9.7851e-09 au
q 2.024228750445781 9.7687e-08 au
i 12.61309320440612 4.287e-06 deg
node 18.75733806114794 1.7629e-05 deg
peri 95.43038421342932 2.102e-05 deg
M 266.9646743621356 1.3409e-05 deg
tp 2459562.952178488942
(2021-Dec-14.45217849)
5.3272e-05 TDB
period 1402.507954493729
3.84
8.3951e-06
2.298e-08
d
yr
n .256683036161425 1.5364e-09 deg/d
Q 2.879968541058478 1.1493e-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 = 1.08505 au 
 Jupiter MOID = 2.30852 au 
 T_jup = 3.441 
[ show covariance matrix ]

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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