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85776 (1998 UM37)
Classification: Main-belt Asteroid          SPK-ID: 2085776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1566195872773892 4.608e-08  
a 2.428520193075474 1.0809e-08 au
q 2.048166362741187 1.1354e-07 au
i 1.738331534168996 5.0113e-06 deg
node 153.2770950711867 0.00016189 deg
peri 281.1946405730118 0.00016329 deg
M 223.4430442711392 2.2006e-05 deg
tp 2459524.851278213837
(2021-Nov-06.35127821)
8.6592e-05 TDB
period 1382.327682610211
3.78
9.2292e-06
2.527e-08
d
yr
n .2604302905373508 1.7388e-09 deg/d
Q 2.80887402340976 1.2502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1996-03-11  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:34  

Additional Information
 Earth MOID = 1.06402 au 
 Jupiter MOID = 2.44473 au 
 T_jup = 3.491 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456806.5 (2014-May-29.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579870988732244 4.6235e-08  
q 2.043212837954884 1.1402e-07 au
tp 2456763.196161569025
(2014-Apr-15.69616157)
7.5388e-05 TDB
node 153.3775314028353 0.00016227 deg
peri 281.2154609532982 0.00016363 deg
i 1.736454966013349 5.0094e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      8514 days (23.31 yr)  
   first obs. used      1996-03-11  
   last obs. used      2019-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54311  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:38:34  

Additional Information
 Jupiter MOID = 2.44473 au 
 T_jup = 3.491 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.137718044006313E-15 -5.255833314666998E-15 -1.590089687113733E-12 -1.004372013980027E-14 -5.072321809787684E-13 -2.632804644837879E-16
q -5.255833314666998E-15 1.300013760986405E-14 4.158398627975288E-12 2.53196854805761E-14 1.309860357412524E-12 6.936400132734215E-16
tp -1.590089687113733E-12 4.158398627975288E-12 5.68332366482729E-9 -2.116660018429912E-11 1.605828438681662E-9 -6.76968481271328E-13
node -1.004372013980027E-14 2.53196854805761E-14 -2.116660018429912E-11 2.633314696204956E-8 -2.632538535347202E-8 3.289110009067154E-10
peri -5.072321809787684E-13 1.309860357412524E-12 1.605828438681662E-9 -2.632538535347202E-8 2.677371714386687E-8 -3.289291477784161E-10
i -2.632804644837879E-16 6.936400132734215E-16 -6.76968481271328E-13 3.289110009067154E-10 -3.289291477784161E-10 2.509385937294028E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO231889  

85776 (1998 UM37)          Discovered 1998-Oct-28 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

Alternate Designations
 1998 UM37 = 2000 GM23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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