Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.672075E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-10T19:53:24+0800
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    1 Object 1

    AOE ID 29524
    NORAD ID 29524
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 43910
    NORAD ID 43910
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DMSP 5D-3 F17 DEB YUNHAI 2-1B
    Time of Closest Approach 2026-09-10T12:55:45+0000
    Collision Probability (Pc) 1.672075E-6
    Conjunction Distance (km) 2.54 km
    Relative Speed (km/s) 14.285 km/s
    Conjunction Risk Parameters R (Radial): 2.176 | I (In-track): -0.367 | C (Cross-track): -1.257
    Collision Risk Index (CRI) 0.39
    X Position (km) -58.866 -57.672
    Position Y (km) -6810.269 -6808.032
    Position Z (km) 2240.833 2240.704
    Velocity X (km/s) -1.147 5.033
    Velocity Y (km/s) 2.319 -1.767
    Velocity Z (km/s) 6.994 -5.219

    Orbital Parameters 国际轨道数据源

    Parameter DMSP 5D-3 F17 DEB YUNHAI 2-1B
    Semimajor Axis (a) 7167.393 km 7173.112 km
    Eccentricity (e) 0.000421 0.000488
    Inclination (i) 98.5505° 50.0105°
    RAAN 271.6159° 106.8665°
    Perigee Argument 248.8423° 160.7305°
    Mean Anomaly (M) 287.6252° 199.3796°
    Apogee 792.276 km 798.479 km
    Perigee 786.236 km 791.471 km
    Orbit Epoch 2026-09-09T19:12:12+0000 2026-09-10T05:29:24+0000

    DMSP 5D-3 F17 DEB & YUNHAI 2-1B Collision Probability (Pc) Trend

    DMSP 5D-3 F17 DEB & YUNHAI 2-1B Collision Probability (Pc) TrendNot Available

    DMSP 5D-3 F17 DEB & YUNHAI 2-1B Miss Distance (Miss Distance) Trend

    DMSP 5D-3 F17 DEB & YUNHAI 2-1B Miss Distance (Miss Distance) TrendNot Available

    DMSP 5D-3 F17 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    YUNHAI 2-1BMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DMSP 5D-3 F17 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    YUNHAI 2-1BCollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DMSP 5D-3 F17 DEB

    No nearby objects data