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JPL Small-Body Database Browser
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65625 (4377 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2065625
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1222249031265968 3.6298e-08  
a 2.2494043135502 9.1818e-09 au
q 1.974471089233978 8.0747e-08 au
i 6.940503967736857 4.0143e-06 deg
node 69.99704780843258 3.4773e-05 deg
peri 202.2134560373121 3.9333e-05 deg
M 323.7457673901999 1.9639e-05 deg
tp 2459124.595470055446
(2020-Oct-02.09547006)
6.7451e-05 TDB
period 1232.252512438626
3.37
7.5449e-06
2.066e-08
d
yr
n .2921479131639671 1.7888e-09 deg/d
Q 2.524337537866422 1.0304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      15450 days (42.30 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:14  

Additional Information
 Earth MOID = .960292 au 
 Jupiter MOID = 2.55537 au 
 T_jup = 3.609 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456450.5 (2013-Jun-07.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1225868838237529 3.6308e-08  
q 1.973648296567828 8.0788e-08 au
tp 2456659.710610038453
(2014-Jan-02.21061004)
6.4166e-05 TDB
node 70.0477521825331 3.4778e-05 deg
peri 202.1921098430525 3.9309e-05 deg
i 6.940480096082224 4.014e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      15450 days (42.30 yr)  
   first obs. used      1977-10-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .554  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:43:14  

Additional Information
 Jupiter MOID = 2.55537 au 
 T_jup = 3.609 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.318250332120743E-15 -2.918862283551097E-15 1.772639847668376E-13 -7.470093727224619E-15 3.129215911129331E-14 1.29861015774397E-15
q -2.918862283551097E-15 6.526735529099795E-15 -3.55968087699838E-13 1.595724462404967E-14 -6.384760871570949E-14 -2.782341792608197E-15
tp 1.772639847668376E-13 -3.55968087699838E-13 4.117288266092988E-9 -2.969589037173867E-11 1.192060308730823E-9 -2.949868539592359E-12
node -7.470093727224619E-15 1.595724462404967E-14 -2.969589037173867E-11 1.209475157027214E-9 -1.208207977705683E-9 -4.863898911439376E-12
peri 3.129215911129331E-14 -6.384760871570949E-14 1.192060308730823E-9 -1.208207977705683E-9 1.545204739040661E-9 3.993597880947008E-12
i 1.29861015774397E-15 -2.782341792608197E-15 -2.949868539592359E-12 -4.863898911439376E-12 3.993597880947008E-12 1.611203057856349E-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 15.1   n/a MPO359198  
diameter diameter 2.817 km 0.225 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.244   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

65625 (4377 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ 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
1935-Jan-23 10:19 00:02 Amphi 0.032678389951681 0.0326719281087405 0.0326848533795002 3.94287218861051 3.94287214399358 2427825.929768292 1.7731310564961 484.707948250564 44.6069362402324 -48.6261407070402 82464.5282254382 T 22 CATAB v2.0f-lin.ifort 2020-Feb-23 14:43:33 2020-Feb-23 14:43

Alternate Designations
 4377 T-3 = 2001 UG84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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