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437100 (2012 US101)
Classification: Main-belt Asteroid          SPK-ID: 2437100
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01944007281375592 9.8373e-08  
a 3.073014545077941 6.8844e-08 au
q 3.013274918563894 3.0832e-07 au
i 11.53651890016532 1.1382e-05 deg
node 48.13954008029158 4.1688e-05 deg
peri 12.82482696090319 0.00025614 deg
M 127.7594431982638 0.00025055 deg
tp 2458302.209939577539
(2018-Jul-02.70993958)
0.0013685 TDB
period 1967.63867671194
5.39
6.6121e-05
1.81e-07
d
yr
n .1829604206609645 6.1482e-09 deg/d
Q 3.132754171591987 7.0182e-08 au
  Orbit Determination Parameters
   # obs. used (total)      68  
   data-arc span      6274 days (17.18 yr)  
   first obs. used      2001-10-11  
   last obs. used      2018-12-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64826  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:51:05  

Additional Information
 Earth MOID = 2.025 au 
 Jupiter MOID = 1.94823 au 
 T_jup = 3.199 
[ 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 16.5   n/a MPO437695  

437100 (2012 US101)          Discovered 2007-Nov-03 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-06-04

[ 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
1904-Sep-29 06:37 00:11 Jupiter 1.94624150279123 1.94624051551231 1.94624249007214 4.50172411373895 4.40398697538134 2416752.775865930 10.8482177595382 420.777483891681 42.0565268384517 -87.1212777781146 1494535.40352406 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:51:07 2019-Jul-14 14:51
1964-Jan-19 17:48 00:05 Jupiter 1.94328137803815 1.94328039730908 1.94328235876799 4.50518618928416 4.40737541041529 2438414.241579845 5.02661260087682 279.693815719005 42.0025720224774 -86.6478346323025 1537158.41299871 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:51:07 2019-Jul-14 14:51
2023-May-11 09:37 < 00:01 Jupiter 1.94046641257734 1.94046542559969 1.94046739955599 4.50858694013512 4.4107082193414 2460075.900584508 0.850715388970007 232.343815709822 41.3231327624204 -85.2578391796039 1586460.9141624 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:51:07 2019-Jul-14 14:51
2082-Aug-31 12:15 00:07 Jupiter 1.93762141136031 1.93762041050523 1.93762241221825 4.51219612283217 4.41425223731511 2481738.010295246 6.61138330681291 316.73138079444 40.8458559902249 -85.5503967834593 1572396.31279894 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:51:07 2019-Jul-14 14:51
2141-Dec-23 07:15 00:12 Jupiter 1.93459674703745 1.9345957343803 1.93459775970132 4.51607312151291 4.41806048890986 2503400.802294779 12.4207904504623 458.500569669624 40.8722889319118 -86.3576226156987 1563586.5060441 T 14 CATAB v2.0e-lin.ifort 2019-Jul-14 14:51:07 2019-Jul-14 14:51
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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