Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.120291E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T15:26:31+0800
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    1 Object 1

    AOE ID 31281
    NORAD ID 31281
    Object Type DEBRIS
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 63209
    NORAD ID 63209
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter FENGYUN 1C DEB TIANYAN 23
    Time of Closest Approach 2026-09-06T21:28:43+0000
    Collision Probability (Pc) 1.120291E-6
    Conjunction Distance (km) 2.913 km
    Relative Speed (km/s) 10.16 km/s
    Conjunction Risk Parameters R (Radial): 1.02 | I (In-track): 2.037 | C (Cross-track): 1.816
    Collision Risk Index (CRI) 0.36
    X Position (km) -549.4 -546.952
    Position Y (km) 1127.316 1128.504
    Position Z (km) -6675.077 -6676.115
    Velocity X (km/s) 3.446 7.169
    Velocity Y (km/s) 6.804 -2.467
    Velocity Z (km/s) 0.837 -1.008

    Orbital Parameters 国际轨道数据源

    Parameter FENGYUN 1C DEB TIANYAN 23
    Semimajor Axis (a) 6826.385 km 6783.799 km
    Eccentricity (e) 0.007118 0.000575
    Inclination (i) 98.4058° 97.4494°
    RAAN 62.9659° 339.0256°
    Perigee Argument 248.8313° 147.0645°
    Mean Anomaly (M) 110.5313° 213.0968°
    Apogee 496.839 km 409.567 km
    Perigee 399.657 km 401.757 km
    Orbit Epoch 2026-09-05T22:26:15+0000 2026-09-05T22:42:53+0000

    FENGYUN 1C DEB & TIANYAN 23 Collision Probability (Pc) Trend

    FENGYUN 1C DEB & TIANYAN 23 Collision Probability (Pc) TrendNot Available

    FENGYUN 1C DEB & TIANYAN 23 Miss Distance (Miss Distance) Trend

    FENGYUN 1C DEB & TIANYAN 23 Miss Distance (Miss Distance) TrendNot Available

    FENGYUN 1C DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    TIANYAN 23Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    FENGYUN 1C DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    TIANYAN 23Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with FENGYUN 1C DEB

    No nearby objects data