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48810 (1997 VA7)
Classification: Main-belt Asteroid          SPK-ID: 2048810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1070471084736932 4.1553e-08  
a 2.802463293494302 1.4623e-08 au
q 2.502467701322074 1.2214e-07 au
i 16.72635510120687 4.0124e-06 deg
node 224.5654868606235 1.3859e-05 deg
peri 204.9615355688895 2.4754e-05 deg
M 252.4129715797862 2.2465e-05 deg
tp 2459512.612926092938
(2021-Oct-25.11292609)
0.00010838 TDB
period 1713.595552368834
4.69
1.3412e-05
3.672e-08
d
yr
n .210084578885808 1.6443e-09 deg/d
Q 3.10245888566653 1.6189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      8444 days (23.12 yr)  
   first obs. used      1997-10-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:58  

Additional Information
 Earth MOID = 1.52322 au 
 Jupiter MOID = 2.28169 au 
 T_jup = 3.254 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457586.5 (2016-Jul-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1086890360080578 4.1913e-08  
q 2.496492960351066 1.2359e-07 au
tp 2457792.791768144871
(2017-Feb-08.29176814)
0.00010135 TDB
node 224.6789465277947 1.3818e-05 deg
peri 203.5934526123852 2.4397e-05 deg
i 16.76027782951252 4.0188e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1373  
   data-arc span      8444 days (23.12 yr)  
   first obs. used      1997-10-04  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 21:26:58  

Additional Information
 Jupiter MOID = 2.28169 au 
 T_jup = 3.254 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.756732578481717E-15 -5.156412608845879E-15 -1.303914719328179E-12 -5.212230148723317E-15 -1.89905627270453E-13 9.719560477712866E-17
q -5.156412608845879E-15 1.527504950524068E-14 4.052097282157043E-12 1.5018053078804E-14 5.993409934656197E-13 7.178527067765807E-16
tp -1.303914719328179E-12 4.052097282157043E-12 1.027143015737189E-8 3.113802202638321E-12 2.049948975261069E-9 1.635463152401524E-11
node -5.212230148723317E-15 1.5018053078804E-14 3.113802202638321E-12 1.909310006736189E-10 -1.821517589824505E-10 -5.108791551266359E-12
peri -1.89905627270453E-13 5.993409934656197E-13 2.049948975261069E-9 -1.821517589824505E-10 5.952069047875339E-10 8.232873461951016E-12
i 9.719560477712866E-17 7.178527067765807E-16 1.635463152401524E-11 -5.108791551266359E-12 8.232873461951016E-12 1.615078428707836E-11

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 14.0   n/a MPO395463  

48810 (1997 VA7)          Discovered 1997-Nov-14 by Stroncone at Stroncone
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

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