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34920 (4735 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2034920
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02425958662525878 9.0767e-08  
a 2.125391540209262 9.8632e-09 au
q 2.073830420026963 1.9975e-07 au
i 2.64099748374539 6.9244e-06 deg
node 51.347943351936 6.7927e-05 deg
peri 345.1042239559485 0.00010906 deg
M 62.20218241822429 8.2016e-05 deg
tp 2458804.949032013776
(2019-Nov-17.44903201)
0.00025855 TDB
period 1131.766535162839
3.10
7.8782e-06
2.157e-08
d
yr
n .3180868039610333 2.2142e-09 deg/d
Q 2.176952660391561 1.0102e-08 au
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      21741 days (59.52 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:43:14  

Additional Information
 Earth MOID = 1.07929 au 
 Jupiter MOID = 2.87577 au 
 T_jup = 3.725 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457375.5 (2015-Dec-19.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02445496376605236 9.0455e-08  
q 2.07326684901974 1.9907e-07 au
tp 2457669.465493106138
(2016-Oct-07.96549311)
0.00026628 TDB
node 51.35578401509207 6.79e-05 deg
peri 343.9201321134955 0.00010997 deg
i 2.641996330545758 6.9251e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      879  
   data-arc span      21741 days (59.52 yr)  
   first obs. used      1960-09-24  
   last obs. used      2020-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:43:14  

Additional Information
 Jupiter MOID = 2.87577 au 
 T_jup = 3.725 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.182148255249108E-15 -1.799630072951614E-14 1.242593745536811E-11 -2.533181675154375E-14 4.053866384660789E-12 -8.783796562290534E-15
q -1.799630072951614E-14 3.962965120956908E-14 -2.78365925595874E-11 5.517633311777386E-14 -9.083266944804213E-12 1.936653528244133E-14
tp 1.242593745536811E-11 -2.78365925595874E-11 7.090633879296E-8 -4.340677140058211E-12 2.30391149732196E-8 -1.915681633756769E-11
node -2.533181675154375E-14 5.517633311777386E-14 -4.340677140058211E-12 4.61047483429174E-9 -4.606270598113277E-9 -1.155732832844461E-10
peri 4.053866384660789E-12 -9.083266944804213E-12 2.30391149732196E-8 -4.606270598113277E-9 1.209357135621954E-8 1.092413968631003E-10
i -8.783796562290534E-15 1.936653528244133E-14 -1.915681633756769E-11 -1.155732832844461E-10 1.092413968631003E-10 4.795747893504345E-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 16.2   n/a MPO502412  

34920 (4735 P-L)          Discovered 1960-Sep-24 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20020128/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 4735 P-L = 1991 TX13 = 1993 FL51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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