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4199 Andreev (1983 RX2)
Classification: Main-belt Asteroid          SPK-ID: 2004199
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 44 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343832735875462 1.6121e-08  
a 2.456431944692343 7.4124e-09 au
q 2.126328578619563 4.0056e-08 au
i 6.119064662972444 1.4893e-07 deg
node 71.97818694712466 3.3062e-06 deg
peri 278.4898272561246 4.2061e-06 deg
M 280.0997120170737 4.4537e-06 deg
tp 2459708.605466626696
(2022-May-09.10546663)
1.8619e-05 TDB
period 1406.22732185421
3.85
6.365e-06
1.743e-08
d
yr
n .2560041284970303 1.1588e-09 deg/d
Q 2.786535310765122 8.4085e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3117  
   data-arc span      16307 days (44.65 yr)  
   first obs. used      1976-12-16  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44334  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 10:18:25  

Additional Information
 Earth MOID = 1.13021 au 
 Jupiter MOID = 2.63948 au 
 T_jup = 3.472 
[ 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 13.18   n/a MPO614063  
diameter diameter 5.619 km 0.058 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 11.8161 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.387   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

4199 Andreev (1983 RX2)          Discovered 1983-Sep-01 by Debehogne, H. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1983 RX2 = 1976 YM1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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