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2870 Haupt (1981 LD)
Classification: Main-belt Asteroid          SPK-ID: 2002870
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2101268087371796 3.2061e-08  
a 2.392169792660771 8.8089e-09 au
q 1.889510788171483 7.7748e-08 au
i 4.160335699942762 3.8517e-06 deg
node 85.94339447840305 4.9546e-05 deg
peri 280.0569296819538 5.0388e-05 deg
M 129.9004795010401 1.0795e-05 deg
tp 2458512.865209158787
(2019-Jan-29.36520916)
3.9261e-05 TDB
period 1351.407826800448
3.70
7.4646e-06
2.044e-08
d
yr
n .2663888671211302 1.4714e-09 deg/d
Q 2.89482879715006 1.066e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2199  
   data-arc span      22040 days (60.34 yr)  
   first obs. used      1959-09-03  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47473  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 18:46:11  

Additional Information
 Earth MOID = .893443 au 
 Jupiter MOID = 2.57251 au 
 T_jup = 3.497 
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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 12.9   n/a MPO347543  
diameter diameter 14.930 km 0.137 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 274. h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Oey, J. (2012) Minor Planet Bull. 39, 145-147.]
geometric albedo albedo 0.053   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

2870 Haupt (1981 LD)          Discovered 1981-Jun-04 by Bowell, E. at Flagstaff (AM)
Discovered at the Anderson Mesa station, which is operated by the Lowell Observatory.
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1981 LD = 1959 RY = 1963 UP = 1963 VL 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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