Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.172159E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T12:35:46+0800
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    1 Object 1

    AOE ID 40395
    NORAD ID 40395
    Object Type DEBRIS
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 61554
    NORAD ID 61554
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-2 F13 DEB QIANFAN-21
    Time of Closest Approach 2026-10-23T04:59:06+0000
    Collision Probability (Pc) 1.172159E-6
    Conjunction Distance (km) 2.776 km
    Relative Speed (km/s) 9.849 km/s
    Conjunction Risk Parameters R (Radial): 2.231 | I (In-track): 1.247 | C (Cross-track): 1.086
    Collision Risk Index (CRI) 0.36
    X Position (km) -919.131 -921.055
    Position Y (km) -612.789 -612.929
    Position Z (km) 7090.944 7092.94
    Velocity X (km/s) -5.468 -5.615
    Velocity Y (km/s) 5.042 -4.768
    Velocity Z (km/s) -0.276 -1.134

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-2 F13 DEB QIANFAN-21
    Semimajor Axis (a) 7168.990 km 7193.486 km
    Eccentricity (e) 0.002148 0.001238
    Inclination (i) 98.5920° 88.9825°
    RAAN 317.0748° 40.2195°
    Perigee Argument 259.8164° 66.5806°
    Mean Anomaly (M) 100.0595° 293.6686°
    Apogee 806.253 km 824.257 km
    Perigee 775.453 km 806.441 km
    Orbit Epoch 2026-10-22T15:07:22+0000 2026-10-22T21:46:22+0000

    DMSP 5D-2 F13 DEB & QIANFAN-21 Collision Probability (Pc) Trend

    DMSP 5D-2 F13 DEB & QIANFAN-21 Collision Probability (Pc) TrendNot Available

    DMSP 5D-2 F13 DEB & QIANFAN-21 Miss Distance (Miss Distance) Trend

    DMSP 5D-2 F13 DEB & QIANFAN-21 Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-2 F13 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    QIANFAN-21Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-2 F13 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    QIANFAN-21Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-2 F13 DEB

    No nearby objects data