Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.066037E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T23:48:46+0800
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    1 Object 1

    AOE ID 10251
    NORAD ID 10251
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 55280
    NORAD ID 55280
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter DELTA 1 DEB STARLINK-5331
    Time of Closest Approach 2026-10-22T01:13:09+0000
    Collision Probability (Pc) 2.066037E-6
    Conjunction Distance (km) 1.802 km
    Relative Speed (km/s) 5.703 km/s
    Conjunction Risk Parameters R (Radial): 1.459 | I (In-track): 0.951 | C (Cross-track): -0.461
    Collision Risk Index (CRI) 0.41
    X Position (km) 6654.771 6656.299
    Position Y (km) 707.45 708.264
    Position Z (km) 1483.244 1482.744
    Velocity X (km/s) 0.169 1.26
    Velocity Y (km/s) 7.105 2.82
    Velocity Z (km/s) -3.373 -6.974

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB STARLINK-5331
    Semimajor Axis (a) 7320.704 km 6855.233 km
    Eccentricity (e) 0.066541 0.000314
    Inclination (i) 28.9696° 69.9992°
    RAAN 214.9340° 193.2027°
    Perigee Argument 125.4947° 263.9038°
    Mean Anomaly (M) 240.9556° 96.1780°
    Apogee 1429.697 km 479.248 km
    Perigee 455.437 km 474.944 km
    Orbit Epoch 2026-10-21T02:03:16+0000 2026-10-21T02:31:11+0000

    DELTA 1 DEB & STARLINK-5331 Collision Probability (Pc) Trend

    DELTA 1 DEB & STARLINK-5331 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & STARLINK-5331 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & STARLINK-5331 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-5331Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-5331Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data