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48790 (1997 SH30)
Classification: Main-belt Asteroid          SPK-ID: 2048790
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1117034276788702 4.0656e-08  
a 2.894565209398688 1.843e-08 au
q 2.571232353868848 1.202e-07 au
i .9823848015355588 4.5802e-06 deg
node 312.163455451635 0.00028295 deg
peri 25.5566179126516 0.00028387 deg
M 253.3579514173638 2.2971e-05 deg
tp 2459533.343180836411
(2021-Nov-14.84318084)
0.00011569 TDB
period 1798.76087950866
4.92
1.7179e-05
4.703e-08
d
yr
n .2001377748988713 1.9114e-09 deg/d
Q 3.217898064928528 2.0488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      9598 days (26.28 yr)  
   first obs. used      1992-11-16  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:53  

Additional Information
 Earth MOID = 1.56198 au 
 Jupiter MOID = 2.13243 au 
 T_jup = 3.280 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456496.5 (2013-Jul-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082744764087912 4.0429e-08  
q 2.586657415562526 1.1933e-07 au
tp 2455935.157225859388
(2012-Jan-08.65722586)
0.00011889 TDB
node 312.2325365726945 0.0002833 deg
peri 26.11925320052977 0.00028428 deg
i .9812315672782214 4.5744e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      655  
   data-arc span      9598 days (26.28 yr)  
   first obs. used      1992-11-16  
   last obs. used      2019-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58922  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:47:53  

Additional Information
 Jupiter MOID = 2.13243 au 
 T_jup = 3.280 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.634468995490121E-15 -4.776863785406634E-15 1.147048563170338E-13 -2.11053108537533E-15 -2.881294991013841E-14 -4.690244207368003E-17
q -4.776863785406634E-15 1.424064205441541E-14 -6.296834280775952E-13 6.084889891467482E-16 4.808270312908374E-14 1.388199260965769E-16
tp 1.147048563170338E-13 -6.296834280775952E-13 1.413389806896573E-8 -2.74107358094653E-11 2.835698477990225E-9 -1.524202395836528E-12
node -2.11053108537533E-15 6.084889891467482E-16 -2.74107358094653E-11 8.025740891239129E-8 -8.025147360073091E-8 -1.229828065248262E-10
peri -2.881294991013841E-14 4.808270312908374E-14 2.835698477990225E-9 -8.025147360073091E-8 8.081741784116807E-8 1.226626617731507E-10
i -4.690244207368003E-17 1.388199260965769E-16 -1.524202395836528E-12 -1.229828065248262E-10 1.226626617731507E-10 2.092515818633888E-11

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 15.2   n/a MPO436124  

48790 (1997 SH30)          Discovered 1997-Sep-30 by Spacewatch at Kitt Peak
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 SH30 = 2000 GR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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