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79780 (1998 US37)
Classification: Main-belt Asteroid          SPK-ID: 2079780
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1171955941236446 3.8406e-08  
a 2.335671056245555 9.1412e-09 au
q 2.061940699131457 8.8446e-08 au
i 7.032857555933522 4.4886e-06 deg
node 49.02161777319741 4.3688e-05 deg
peri 216.1125353894369 5.0116e-05 deg
M 129.642181101112 2.4274e-05 deg
tp 2458530.973862444078
(2019-Feb-16.47386244)
8.7906e-05 TDB
period 1303.814916445292
3.57
7.6542e-06
2.096e-08
d
yr
n .2761128097701938 1.621e-09 deg/d
Q 2.609401413359653 1.0213e-08 au
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:03  

Additional Information
 Earth MOID = 1.0512 au 
 Jupiter MOID = 2.4516 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456961.5 (2014-Oct-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1168693574907753 3.837e-08  
q 2.062789650278773 8.8313e-08 au
tp 2457227.879475615399
(2015-Jul-24.37947562)
8.8761e-05 TDB
node 49.03618061836691 4.3675e-05 deg
peri 216.3463464099279 5.0143e-05 deg
i 7.034136908266606 4.4896e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      968  
   data-arc span      10580 days (28.97 yr)  
   first obs. used      1991-11-05  
   last obs. used      2020-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:22:03  

Additional Information
 Jupiter MOID = 2.4516 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.472258966034644E-15 -3.374779625234767E-15 3.710664581414832E-13 4.163522011975454E-15 7.518641242433889E-14 -1.066200641433562E-15
q -3.374779625234767E-15 7.799184085644277E-15 -9.456858725868088E-13 -8.91151060036108E-15 -2.046171363900366E-13 2.52717091140237E-15
tp 3.710664581414832E-13 -9.456858725868088E-13 7.878480775445447E-9 1.438399486919897E-11 2.215418297917746E-9 -4.553008867099062E-12
node 4.163522011975454E-15 -8.91151060036108E-15 1.438399486919897E-11 1.907495598224456E-9 -1.888913167262747E-9 -4.364549481918778E-11
peri 7.518641242433889E-14 -2.046171363900366E-13 2.215418297917746E-9 -1.888913167262747E-9 2.514338094949448E-9 4.213351527142568E-11
i -1.066200641433562E-15 2.52717091140237E-15 -4.553008867099062E-12 -4.364549481918778E-11 4.213351527142568E-11 2.015654267601908E-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 MPO395718  
diameter diameter 2.946 km 0.642 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.052 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79780 (1998 US37)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1998 US37 = 2001 NZ14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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