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JPL Small-Body Database Browser
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18275 (3173 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2018275
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02282111261543491 4.4828e-08  
a 2.777147490740643 1.6553e-08 au
q 2.713769895104778 1.2541e-07 au
i 8.396642907659203 5.0456e-06 deg
node 205.1729907302926 2.7121e-05 deg
peri 206.107804692919 9.9633e-05 deg
M 47.7439633509221 9.4484e-05 deg
tp 2458776.311768039890
(2019-Oct-19.81176804)
0.00044374 TDB
period 1690.428649846906
4.63
1.5114e-05
4.138e-08
d
yr
n .2129637355783123 1.9041e-09 deg/d
Q 2.840525086376507 1.6931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1122  
   data-arc span      15447 days (42.29 yr)  
   first obs. used      1977-10-12  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:22:35  

Additional Information
 Earth MOID = 1.72361 au 
 Jupiter MOID = 2.23643 au 
 T_jup = 3.319 
[ 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 14.5   n/a MPO412321  

18275 (3173 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20001013/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
1905-Apr-28 05:22 00:03 Eunom 0.0467902361282237 0.0467739161040668 0.0468065610450259 5.21385138096049 5.21385132341915 2416963.723535425 3.17505661028113 1110.35286316331 53.7021292060779 42.9543294821678 88881.6258282536 T 25 CATAB v2.0f-lin.ifort 2020-Feb-22 22:22:40 2020-Feb-22 22:22
2027-Oct-05 15:47 < 00:01 Inter 0.0216208555287582 0.0216185504505762 0.0216231615799698 5.79245186758294 5.79245175069132 2461684.157359182 0.664049154917821 273.140422120323 44.3117194040134 66.8321445037909 67236.5730468623 T 25 CATAB v2.0f-lin.ifort 2020-Feb-22 22:22:40 2020-Feb-22 22:22

Alternate Designations
 3173 T-3 = 1998 FP97 = 1999 NE45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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