Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.176794E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-16T05:06:13+0800
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    1 Object 1

    AOE ID 20438
    NORAD ID 20438
    Object Type PAYLOAD
    Country
    GB GB
    VS

    2 Object 2

    AOE ID 30706
    NORAD ID 30706
    Object Type DEBRIS
    Country
    CN CN

    Conjunction Constraints

    Parameter OSCAR 15 (UOSAT 4) FENGYUN 1C DEB
    Time of Closest Approach 2026-09-16T01:05:51+0000
    Collision Probability (Pc) 6.176794E-6
    Conjunction Distance (km) 1.525 km
    Relative Speed (km/s) 14.203 km/s
    Conjunction Risk Parameters R (Radial): 1.521 | I (In-track): -0.025 | C (Cross-track): 0.117
    Collision Risk Index (CRI) 0.51
    X Position (km) -3156.346 -3157.08
    Position Y (km) 1658.661 1658.913
    Position Z (km) 6199.391 6200.703
    Velocity X (km/s) -4.397 6.54
    Velocity Y (km/s) 4.893 -0.773
    Velocity Z (km/s) -3.535 3.534

    Orbital Parameters 国际轨道数据源

    Parameter OSCAR 15 (UOSAT 4) FENGYUN 1C DEB
    Semimajor Axis (a) 7164.075 km 7178.745 km
    Eccentricity (e) 0.001089 0.002792
    Inclination (i) 98.7745° 99.0462°
    RAAN 316.0543° 167.4784°
    Perigee Argument 87.6915° 53.0754°
    Mean Anomaly (M) 335.5640° 307.2977°
    Apogee 793.742 km 820.652 km
    Perigee 778.134 km 780.564 km
    Orbit Epoch 2026-09-15T09:44:41+0000 2026-09-15T04:37:27+0000

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Collision Probability (Pc) Trend

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Collision Probability (Pc) TrendNot Available

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) Trend

    OSCAR 15 (UOSAT 4) & FENGYUN 1C DEB Miss Distance (Miss Distance) TrendNot Available

    OSCAR 15 (UOSAT 4)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OSCAR 15 (UOSAT 4)Collision Probability Trend

    Object 1 Probability TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OSCAR 15 (UOSAT 4)

    No nearby objects data