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JPL Small-Body Database Browser
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4416 Ramses (4530 P-L)
Classification: Main-belt Asteroid          SPK-ID: 2004416
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .1722035183141901 4.5759e-08  
a 2.153912577277669 5.0227e-09 au
q 1.783001253329269 9.7529e-08 au
i 1.177568078034909 4.7185e-06 deg
node 208.3114403114618 0.00014627 deg
peri 163.4128545841786 0.00014659 deg
M 312.2918705715027 1.021e-05 deg
tp 2459153.513737472941
(2020-Oct-31.01373747)
3.2913e-05 TDB
period 1154.623879622395
3.16
4.0387e-06
1.106e-08
d
yr
n .3117898446009391 1.0906e-09 deg/d
Q 2.524823901226068 5.8876e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1343  
   data-arc span      23620 days (64.67 yr)  
   first obs. used      1954-11-23  
   last obs. used      2019-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51354  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:12:52  

Additional Information
 Earth MOID = .783035 au 
 Jupiter MOID = 2.94007 au 
 T_jup = 3.683 
[ show covariance matrix ]

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 15.3   n/a MPO319139  

4416 Ramses (4530 P-L)          Discovered 1960-Sep-24 by van Houten and Gehrels at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 4530 P-L = 1979 TP1 = 1981 EX47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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