Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    3.474819E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-24T08:35:32+0800
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    1 Object 1

    AOE ID 42348
    NORAD ID 42348
    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 2026-10-25T03:54:33+0000
    Collision Probability (Pc) 3.474819E-6
    Conjunction Distance (km) 1.781 km
    Relative Speed (km/s) 12.251 km/s
    Conjunction Risk Parameters R (Radial): -1.512 | I (In-track): -0.544 | C (Cross-track): 0.766
    Collision Risk Index (CRI) 0.46
    X Position (km) 946.734 945.639
    Position Y (km) 627.93 628.06
    Position Z (km) -7091.566 -7090.168
    Velocity X (km/s) 2.497 5.624
    Velocity Y (km/s) -7.024 4.73
    Velocity Z (km/s) -0.285 1.173

    Orbital Parameters 国际轨道数据源

    Parameter NOAA 16 DEB QIANFAN-28
    Semimajor Axis (a) 7214.281 km 7174.789 km
    Eccentricity (e) 0.005511 0.000609
    Inclination (i) 98.8172° 88.9914°
    RAAN 287.2853° 40.0683°
    Perigee Argument 278.7580° 349.6287°
    Mean Anomaly (M) 80.7356° 10.4781°
    Apogee 875.902 km 801.021 km
    Perigee 796.386 km 792.283 km
    Orbit Epoch 2026-10-23T04:53:03+0000 2026-10-23T18:39:54+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