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216218 (2006 US98)
Classification: Main-belt Asteroid          SPK-ID: 2216218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1839795408192535 5.3177e-08  
a 2.846206528631885 2.3948e-08 au
q 2.32256275841743 1.4468e-07 au
i 5.936461564661831 5.0097e-06 deg
node 85.80186233666859 4.8265e-05 deg
peri 164.7029132952709 4.9996e-05 deg
M 158.7950190529286 1.278e-05 deg
tp 2458622.871576474772
(2019-May-19.37157647)
6.0005e-05 TDB
period 1753.872597075934
4.80
2.2136e-05
6.061e-08
d
yr
n .2052600631312639 2.5906e-09 deg/d
Q 3.369850298846341 2.8354e-08 au
  Orbit Determination Parameters
   # obs. used (total)      370  
   data-arc span      6109 days (16.73 yr)  
   first obs. used      2004-03-15  
   last obs. used      2020-12-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58614  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:53:57  

Additional Information
 Earth MOID = 1.30911 au 
 Jupiter MOID = 1.67365 au 
 T_jup = 3.274 
[ 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 16.01   n/a MPCxxxxx  
diameter diameter 2.618 km 0.362 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.123   0.021 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

216218 (2006 US98)          Discovered 2006-Oct-18 by Spacewatch at Kitt Peak
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

[ 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
1906-Apr-01 15:52 00:04 Jupiter 1.70448570011665 1.70448422417646 1.70448717607477 1.70420501300003 1.38218672354443 2417302.161133215 3.70020454732358 351.194036297774 96.7508219978355 82.7988116287008 1281947.00337431 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
1930-Aug-06 13:37 00:03 Jupiter 1.84546308517814 1.84546109302344 1.84546507734135 2.04018922481108 1.80122760638816 2426195.067515040 3.03387483218014 251.814240659866 27.0622566824792 -84.8785255659633 1641450.83153188 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2011-May-16 00:50 < 00:01 Jupiter 1.85548428834009 1.85548376894398 1.85548480773619 2.1426358280131 1.91778383309386 2455697.535032807 0.321775886735396 91.9363678572771 16.8511213763164 89.4122618503039 1937960.87723931 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2035-Sep-27 13:07 < 00:01 Jupiter 1.71225781229815 1.71225711116738 1.71225851343554 1.66942705618284 1.34075478968289 2464598.046456967 0.808117506885355 262.2352439501 98.6788743081302 87.2365686893107 1354597.69281292 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2060-Jan-18 03:41 00:02 Jupiter 1.65891168151428 1.65891115690481 1.65891220612753 1.59645733728193 1.23591969064282 2473476.653403949 1.79759398276435 209.888975649343 134.208950736626 -80.0632763267378 1323374.22031356 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2084-May-10 02:01 00:03 Jupiter 1.71820965803398 1.71820873210765 1.7182105839691 1.73754795752375 1.42588104361767 2482355.584171149 2.98212217245818 243.148811922254 78.5868897780851 -87.3168688365239 1490668.62164734 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2108-Sep-16 23:00 00:04 Jupiter 1.87037901602255 1.8703765007607 1.87038153129982 2.05787280887249 1.82458697861492 2491250.458366001 4.37072332497693 324.817010020821 23.191597274186 -81.9609674678241 1780042.88796196 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53
2189-Jun-28 08:51 00:07 Jupiter 1.83868064826359 1.83867652388778 1.8386847727666 2.12237565175211 1.89291868020513 2520754.868824958 7.27134973225175 862.927998589903 20.0805309675753 89.9008447279414 1752211.90184947 T 24 CATAB v2.0f-lin.ifort 2021-Apr-13 23:53:58 2021-Apr-13 23:53

Alternate Designations
 2006 US98 = 2004 EP85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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