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4310 Stromholm (1978 RJ7)
Classification: Main-belt Asteroid          SPK-ID: 2004310
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05574217641299484 1.6485e-08  
a 2.1609198437148 5.7764e-09 au
q 2.040465468572108 3.5998e-08 au
i 3.520088938541831 1.0339e-06 deg
node 178.4487626940986 1.0028e-05 deg
peri 351.5057853163476 1.8338e-05 deg
M 280.2140150729657 1.2909e-05 deg
tp 2459457.646444115039
(2021-Aug-31.14644411)
4.1866e-05 TDB
period 1160.262920437384
3.18
4.6523e-06
1.274e-08
d
yr
n .3102745021484361 1.2441e-09 deg/d
Q 2.281374218857492 6.0984e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2603  
   data-arc span      24074 days (65.91 yr)  
   first obs. used      1955-04-16  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4341  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 16:11:37  

Additional Information
 Earth MOID = 1.04538 au 
 Jupiter MOID = 2.67946 au 
 T_jup = 3.692 
[ 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 14.07   n/a MPCxxxxx  
diameter diameter 3.630 km 0.108 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.487   0.115 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4310 Stromholm (1978 RJ7)          Discovered 1978-Sep-02 by Lagerkvist, C.-I. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1978 RJ7 = 1969 VM2 = 1972 TQ7 = 1988 VU5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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