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103501 (2000 AT245)
Classification: Mars-crossing Asteroid          SPK-ID: 2103501
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2870553833264221 3.0307e-08  
a 2.275902339221278 7.1305e-09 au
q 1.622592320822613 6.9402e-08 au
i 22.50239188149458 6.8125e-06 deg
node 3.929105941883927 9.9985e-06 deg
peri 106.4935609646303 1.7595e-05 deg
M 79.5898310800565 1.0907e-05 deg
tp 2458923.242091779109
(2020-Mar-14.74209178)
3.8065e-05 TDB
period 1254.090448553945
3.43
5.8937e-06
1.614e-08
d
yr
n .2870606345938648 1.3491e-09 deg/d
Q 2.929212357619942 9.1773e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:47:08  

Additional Information
 Earth MOID = .765633 au 
 Jupiter MOID = 2.43406 au 
 T_jup = 3.457 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457076.5 (2015-Feb-23.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2865607752961755 3.0388e-08  
q 1.624236536520702 6.9608e-08 au
tp 2457669.209972514403
(2016-Oct-07.70997251)
3.9184e-05 TDB
node 3.961073109617713 9.9921e-06 deg
peri 106.5778351388503 1.7612e-05 deg
i 22.50578221528779 6.8127e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1206  
   data-arc span      7924 days (21.69 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .40462  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:47:08  

Additional Information
 Jupiter MOID = 2.43406 au 
 T_jup = 3.457 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.234561037100731E-16 -2.109588518005922E-15 8.992071744997722E-14 1.860740918881855E-15 7.121967186701822E-14 -6.666499479004017E-15
q -2.109588518005922E-15 4.845285742661541E-15 -2.517937610907331E-13 -2.752391374236327E-15 -1.834439493879103E-13 1.589261596379786E-14
tp 8.992071744997722E-14 -2.517937610907331E-13 1.535383146504379E-9 -1.446556299021481E-11 5.732337313090131E-10 2.920680757078598E-11
node 1.860740918881855E-15 -2.752391374236327E-15 -1.446556299021481E-11 9.984286255267139E-11 -9.693651630311096E-11 2.222943787227921E-11
peri 7.121967186701822E-14 -1.834439493879103E-13 5.732337313090131E-10 -9.693651630311096E-11 3.101889005122801E-10 -1.029514502989556E-11
i -6.666499479004017E-15 1.589261596379786E-14 2.920680757078598E-11 2.222943787227921E-11 -1.029514502989556E-11 4.641267731423146E-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 15.22   n/a E2021B55  
rotation period rot_per 29.95 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:
[Warner, B.D. (2010) Minor Planet Bull. 37, 161-165.]

103501 (2000 AT245)          Discovered 2000-Jan-08 by Tholen, D. J., Whiteley, R. at Mauna Kea
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2000 AT245 = 2002 TG68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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