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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 41 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1342655363767399 1.7884e-08  
a 2.456465411070732 8.1044e-09 au
q 2.126646765062412 4.3209e-08 au
i 6.119013001885799 1.5255e-07 deg
node 71.97876723242405 3.3106e-06 deg
peri 278.4956074263692 4.2565e-06 deg
M 229.903656377622 4.3422e-06 deg
tp 2459708.691032074761
(2022-May-09.19103207)
1.9104e-05 TDB
period 1406.256059570339
3.85
6.9593e-06
1.905e-08
d
yr
n .2559988968936373 1.2669e-09 deg/d
Q 2.786284057079053 9.1926e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2914  
   data-arc span      16167 days (44.26 yr)  
   first obs. used      1976-12-16  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45477  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-03 21:28:31  

Additional Information
 Earth MOID = 1.12961 au 
 Jupiter MOID = 2.6401 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 13.17   n/a E2021B10  
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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