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JPL Small-Body Database Browser
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27173 (1999 BM1)
Classification: Main-belt Asteroid          SPK-ID: 2027173
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2237969053626899 4.6448e-08  
a 2.443670564014245 1.0151e-08 au
q 1.896784654061958 1.1591e-07 au
i 2.011731391161367 4.8301e-06 deg
node 338.8454075656502 0.00011298 deg
peri 1.720414098084981 0.00011347 deg
M 333.1300355332108 1.4864e-05 deg
tp 2459104.642261502106
(2020-Sep-12.14226150)
5.8118e-05 TDB
period 1395.283353913498
3.82
8.6941e-06
2.38e-08
d
yr
n .2580121084296392 1.6077e-09 deg/d
Q 2.990556473966532 1.2423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      14861 days (40.69 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:09  

Additional Information
 Earth MOID = .888295 au 
 Jupiter MOID = 2.41013 au 
 T_jup = 3.464 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456128.5 (2012-Jul-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2217666549600684 4.6066e-08  
q 1.902035392939096 1.1466e-07 au
tp 2456314.151779285450
(2013-Jan-21.65177929)
4.7005e-05 TDB
node 338.985673122165 0.00011323 deg
peri 1.551783418691993 0.00011373 deg
i 2.009846652514058 4.8213e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1056  
   data-arc span      14861 days (40.69 yr)  
   first obs. used      1978-09-02  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57663  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:27:09  

Additional Information
 Jupiter MOID = 2.41013 au 
 T_jup = 3.464 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.122074213344092E-15 -5.270606064101386E-15 -3.39499431443838E-14 1.334010717679516E-14 -5.54390634859103E-14 2.299238585410826E-17
q -5.270606064101386E-15 1.314655432430901E-14 3.081494869440154E-13 -3.495458269948594E-14 1.85207345717861E-13 -1.419177055750959E-16
tp -3.39499431443838E-14 3.081494869440154E-13 2.20948687582484E-9 -9.516999181410745E-12 5.130591661963459E-10 -9.517309886779151E-13
node 1.334010717679516E-14 -3.495458269948594E-14 -9.516999181410745E-12 1.282131566189235E-8 -1.281533356196715E-8 3.164999960436813E-11
peri -5.54390634859103E-14 1.85207345717861E-13 5.130591661963459E-10 -1.281533356196715E-8 1.293527233203726E-8 -3.186188553086878E-11
i 2.299238585410826E-17 -1.419177055750959E-16 -9.517309886779151E-13 3.164999960436813E-11 -3.186188553086878E-11 2.324502658701246E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.3   n/a MPO384980  

27173 (1999 BM1)          Discovered 1999-Jan-18 by Klet at Klet
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 BM1 = 1978 RH3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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