Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
74905 (1999 TQ125)
Classification: Main-belt Asteroid          SPK-ID: 2074905
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2242921784834389 4.1523e-08  
a 2.295426423752427 1.079e-08 au
q 1.780580230620546 9.7807e-08 au
i 5.325191157247199 4.4077e-06 deg
node 229.4500587314288 5.1458e-05 deg
peri 37.79617384244324 5.2345e-05 deg
M 56.85047188251666 1.1993e-05 deg
tp 2458799.902708398089
(2019-Nov-12.40270840)
4.1727e-05 TDB
period 1270.262542867234
3.48
8.9564e-06
2.452e-08
d
yr
n .2834059793555816 1.9983e-09 deg/d
Q 2.810272616884308 1.321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      765  
   data-arc span      14330 days (39.23 yr)  
   first obs. used      1981-05-08  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53784  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:14:35  

Additional Information
 Earth MOID = .768409 au 
 Jupiter MOID = 2.28585 au 
 T_jup = 3.556 
[ 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 15.7   n/a MPO474635  

74905 (1999 TQ125)          Discovered 1999-Oct-04 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ 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
2069-Jan-24 08:36 < 00:01 Iris 0.0304442271498467 0.0304354646826572 0.0304529918703631 8.30542389607688 8.30542387334129 2476770.858571222 0.627106263395822 602.69963053973 44.5282939496811 -43.6821652483067 70841.0054254641 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 07:14:48 2020-Aug-25 07:14
2085-Jan-15 23:39 < 00:01 Juno 0.0328536976455466 0.0328441565851509 0.0328632403303042 9.76235390625969 9.76235386832757 2482606.485725821 0.462948288268814 600.751652251678 56.6737448331579 37.8337179539113 53572.8666020634 T 23 CATAB v2.0f-lin.ifort 2020-Aug-25 07:14:48 2020-Aug-25 07:14

Alternate Designations
 1999 TQ125 = 1981 JV4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-31 13:26 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin