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44620 (1999 RS43)
Classification: Main-belt Asteroid          SPK-ID: 2044620
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .164110361637158 4.0638e-08  
a 2.176400205509005 5.6563e-09 au
q 1.819230380715737 8.9638e-08 au
i 4.399573126192545 4.4647e-06 deg
node 181.9861597478144 3.7208e-05 deg
peri 181.1508949849666 3.8229e-05 deg
M 300.6281816602865 8.8018e-06 deg
tp 2459589.912444281711
(2022-Jan-10.41244428)
2.8883e-05 TDB
period 1172.753031463783
3.21
4.5718e-06
1.252e-08
d
yr
n .3069700016470327 1.1967e-09 deg/d
Q 2.533570030302273 6.5845e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1510  
   data-arc span      8478 days (23.21 yr)  
   first obs. used      1998-04-21  
   last obs. used      2021-07-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51447  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:33:45  

Additional Information
 Earth MOID = .815896 au 
 Jupiter MOID = 2.92371 au 
 T_jup = 3.663 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO452782  
rotation period rot_per 3.1393 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Fatka, P.; Vokrouhlický, D.; Scheirich, P.; et al. (2019) Icarus 333, 429-463.]

44620 (1999 RS43)          Discovered 1999-Sep-12 by Korlevic, K. at Visnjan
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 RS43 = 1998 HX81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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