Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    7.471193E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T02:11:50+0800
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    1 Object 1

    AOE ID 42390
    NORAD ID 42390
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61561
    NORAD ID 61561
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter NOAA 16 DEB QIANFAN-28
    Time of Closest Approach 2026-10-19T18:29:46+0000
    Collision Probability (Pc) 7.471193E-7
    Conjunction Distance (km) 2.833 km
    Relative Speed (km/s) 4.58 km/s
    Conjunction Risk Parameters R (Radial): -1.018 | I (In-track): -2.515 | C (Cross-track): 0.813
    Collision Risk Index (CRI) 0.32
    X Position (km) 1610.155 1607.571
    Position Y (km) 1215.889 1214.758
    Position Z (km) -6893.005 -6892.747
    Velocity X (km/s) 7.212 5.404
    Velocity Y (km/s) 0.474 4.669
    Velocity Z (km/s) 1.757 2.089

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB QIANFAN-28
    Semimajor Axis (a) 7170.292 km 7174.808 km
    Eccentricity (e) 0.001595 0.000668
    Inclination (i) 98.6132° 88.9908°
    RAAN 5.2643° 40.5968°
    Perigee Argument 171.5931° 5.9222°
    Mean Anomaly (M) 188.5521° 354.2050°
    Apogee 803.589 km 801.463 km
    Perigee 780.721 km 791.879 km
    Orbit Epoch 2026-10-19T03:44:16+0000 2026-10-19T05:23:30+0000

    NOAA 16 DEB & QIANFAN-28 Collision Probability (Pc) Trend

    NOAA 16 DEB & QIANFAN-28 Collision Probability (Pc) TrendNot Available

    NOAA 16 DEB & QIANFAN-28 Miss Distance (Miss Distance) Trend

    NOAA 16 DEB & QIANFAN-28 Miss Distance (Miss Distance) TrendNot Available

    NOAA 16 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-28Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NOAA 16 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-28Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NOAA 16 DEB

    No nearby objects data