| (2020 HF4) |
| Classification: Apollo [NEO] SPK-ID: 54016681 |
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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 5 (heliocentric ecliptic J2000)
| Element | Value | Uncertainty (1-sigma) | Units |
| e | .02235548658011676 | 5.2669e-06 | |
| a | 1.011699728902689 | 1.9172e-05 | au |
| q | .9890826891900972 | 1.3421e-05 | au |
| i | 4.852120180993577 | 0.005402 | deg |
| node | 39.81402434808696 | 0.00075174 | deg |
| peri | 33.72339438397706 | 0.0018855 | deg |
| M | 175.1702631744453 | 0.0026246 | deg |
| tp | 2458819.643651158252
(2019-Dec-02.14365116) | 0.0038754 | TDB |
| period | 371.6857210986237
1.02 | 0.010565
2.893e-05 | d
yr |
| n | .9685602097813089 | 2.7532e-05 | deg/d |
| Q | 1.034316768615281 | 1.96e-05 | au |
|
| | Orbit Determination Parameters
Additional Information
|
[ show covariance matrix ]
Physical Parameter Table
| Parameter |
Symbol |
Value |
Units |
Sigma |
Reference |
Notes |
| absolute magnitude |
H |
27.4 |
|
.64374 |
E2020-QF4 |
autocmod 2.8 |
|
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|
