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102496 (1999 TT277)
Classification: Main-belt Asteroid          SPK-ID: 2102496
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599237289913841 7.0129e-08  
a 2.44805640742743 1.0395e-08 au
q 2.056554097970384 1.7184e-07 au
i 9.716402087119622 4.7617e-06 deg
node 14.84829408292894 2.8156e-05 deg
peri 134.3574346009136 3.1757e-05 deg
M 81.1542569539489 1.1689e-05 deg
tp 2458885.116213842833
(2020-Feb-05.61621384)
4.5484e-05 TDB
period 1399.041372296806
3.83
8.9113e-06
2.44e-08
d
yr
n .2573190522657582 1.639e-09 deg/d
Q 2.839558716884476 1.2058e-08 au
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      13911 days (38.09 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50099  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:15  

Additional Information
 Earth MOID = 1.07887 au 
 Jupiter MOID = 2.17244 au 
 T_jup = 3.460 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457141.5 (2015-Apr-29.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1603967642047763 7.034e-08  
q 2.055298305383695 1.7261e-07 au
tp 2457486.941791929278
(2016-Apr-08.44179193)
4.6429e-05 TDB
node 14.8646674107075 2.8156e-05 deg
peri 134.6208739818747 3.1682e-05 deg
i 9.717452789915475 4.7628e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      627  
   data-arc span      13911 days (38.09 yr)  
   first obs. used      1982-04-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50099  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:42:15  

Additional Information
 Jupiter MOID = 2.17244 au 
 T_jup = 3.460 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.947729700488288E-15 -1.212544567551054E-14 7.75447255576081E-13 3.185401054957875E-14 4.019028718799694E-13 -2.901418709932411E-14
q -1.212544567551054E-14 2.979340073086461E-14 -2.003986310662878E-12 -7.847608944226787E-14 -1.020805846588244E-12 7.098619777916931E-14
tp 7.75447255576081E-13 -2.003986310662878E-12 2.155623231547635E-9 -1.254485237217378E-12 6.871130061214239E-10 4.18986237019712E-13
node 3.185401054957875E-14 -7.847608944226787E-14 -1.254485237217378E-12 7.927638898562167E-10 -7.80517134455177E-10 -6.207157879179533E-11
peri 4.019028718799694E-13 -1.020805846588244E-12 6.871130061214239E-10 -7.80517134455177E-10 1.003753382543799E-9 6.019263159331249E-11
i -2.901418709932411E-14 7.098619777916931E-14 4.18986237019712E-13 -6.207157879179533E-11 6.019263159331249E-11 2.268396089035012E-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 16.07   n/a E2021B55  
diameter diameter 3.616 km 0.971 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.038   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

102496 (1999 TT277)          Discovered 1999-Oct-06 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1999 TT277 = 2001 BP66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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