Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.316013E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-11T20:35:49+0800
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    1 Object 1

    AOE ID 5384
    NORAD ID 5384
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 25417
    NORAD ID 25417
    Object Type PAYLOAD
    Country
    ORB ORB

    Conjunction Constraints

    Parameter OV1-20/OV1-21 DEB ORBCOMM FM 16
    Time of Closest Approach 2026-09-11T21:02:05+0000
    Collision Probability (Pc) 1.316013E-6
    Conjunction Distance (km) 2.937 km
    Relative Speed (km/s) 13.714 km/s
    Conjunction Risk Parameters R (Radial): -2.933 | I (In-track): -0.038 | C (Cross-track): -0.124
    Collision Risk Index (CRI) 0.37
    X Position (km) -7002.765 -6999.905
    Position Y (km) -1236.722 -1236.089
    Position Z (km) 581.06 580.855
    Velocity X (km/s) -0.578 1.353
    Velocity Y (km/s) -0.418 -5.15
    Velocity Z (km/s) -7.47 5.255

    Orbital Parameters 国际轨道数据源

    Parameter OV1-20/OV1-21 DEB ORBCOMM FM 16
    Semimajor Axis (a) 7185.522 km 7135.966 km
    Eccentricity (e) 0.007980 0.000515
    Inclination (i) 87.6333° 44.9924°
    RAAN 10.3703° 188.3011°
    Perigee Argument 154.8004° 24.6166°
    Mean Anomaly (M) 205.7116° 335.4929°
    Apogee 864.725 km 761.507 km
    Perigee 750.045 km 754.151 km
    Orbit Epoch 2026-09-11T06:44:23+0000 2026-09-11T06:01:15+0000

    OV1-20/OV1-21 DEB & ORBCOMM FM 16 Collision Probability (Pc) Trend

    OV1-20/OV1-21 DEB & ORBCOMM FM 16 Collision Probability (Pc) TrendNot Available

    OV1-20/OV1-21 DEB & ORBCOMM FM 16 Miss Distance (Miss Distance) Trend

    OV1-20/OV1-21 DEB & ORBCOMM FM 16 Miss Distance (Miss Distance) TrendNot Available

    OV1-20/OV1-21 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ORBCOMM FM 16Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    OV1-20/OV1-21 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    ORBCOMM FM 16Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with OV1-20/OV1-21 DEB

    No nearby objects data