Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    6.791844E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-08-30T07:27:29+0800
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    1 Object 1

    AOE ID 31021
    NORAD ID 31021
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 67976
    NORAD ID 67976
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter FENGYUN 1C DEB STARLINK-36880
    Time of Closest Approach 2026-09-01T07:42:15+0000
    Collision Probability (Pc) 6.791844E-6
    Conjunction Distance (km) 1.454 km
    Relative Speed (km/s) 12.954 km/s
    Conjunction Risk Parameters R (Radial): 1.325 | I (In-track): 0.322 | C (Cross-track): -0.505
    Collision Risk Index (CRI) 0.52
    X Position (km) -1251.595 -1252.233
    Position Y (km) -1199.542 -1199.324
    Position Z (km) 6610.199 6611.487
    Velocity X (km/s) -7.476 1.978
    Velocity Y (km/s) -1.019 7.182
    Velocity Z (km/s) -1.668 1.674

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB STARLINK-36880
    Semimajor Axis (a) 7010.836 km 6843.669 km
    Eccentricity (e) 0.025774 0.000168
    Inclination (i) 98.3718° 97.2843°
    RAAN 6.7844° 250.2409°
    Perigee Argument 131.3185° 99.5194°
    Mean Anomaly (M) 231.0523° 260.6239°
    Apogee 813.398 km 466.681 km
    Perigee 452.000 km 464.383 km
    Orbit Epoch 2026-08-29T14:18:01+0000 2026-08-29T13:35:40+0000

    FENGYUN 1C DEB & STARLINK-36880 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & STARLINK-36880 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & STARLINK-36880 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & STARLINK-36880 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-36880Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-36880Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data