Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
437844 (1999 MN)
Classification: Aten [NEO, PHA]          SPK-ID: 2437844
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 52 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6654288479450919 6.7557e-08  
a .6738527115631103 3.3248e-09 au
q .2254516780229935 4.6245e-08 au
i 2.021075429766964 6.8781e-06 deg
node 80.88135323433495 3.595e-05 deg
peri 9.734529040129791 3.6639e-05 deg
M 141.1600829965658 2.8561e-05 deg
tp 2459121.276267146361
(2020-Sep-28.77626715)
1.5633e-05 TDB
period 202.0439717933841
0.55
1.4953e-06
4.094e-09
d
yr
n 1.78179035387478 1.3187e-08 deg/d
Q 1.122253745103227 5.5372e-09 au

Additional Model Parameters
 Parameter Value Uncertainty (1-sigma) 
A2 [EST] 3.446802610288323E-14 3.408E-15
ALN [SET] 1. n/a
NK [SET] 0. n/a
NM [SET] 2. n/a
R0 [SET] 1. n/a
  Orbit Determination Parameters
   # obs. used (total)      159  
   data-arc span      7688 days (21.05 yr)  
   first obs. used      1999-06-22  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58515  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 14:27:58  

Additional Information
 Earth MOID = .00551011 au 
 Jupiter MOID = 4.09093 au 
 T_jup = 8.259 
 Nongravitational accels. using nonstandard g(r) = (1 au/ r)^2 
[ 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 21.15   n/a E2021B25  
rotation period rot_per 5.495 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Hergenrother, C.W.; Whiteley, R.J. (2005) Bull. Amer. Astron. Soc. 37, 636-637.]
[Behrend, R. (2010) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hicks, M.; Mayes, D.; McAuley, A.; Foster, J. (2010) Astronomer's Telegram 2706. http://www.astronomerstelegram.org]
[Hergenrother, C.W.; Whitely, R.J. (2011) Icarus 214, 194-209.]

437844 (1999 MN)          Discovered 1999-Jun-22 by CSS at Catalina
Reference: Last Updated: 2015-07-06

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-13 14:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin