Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.732872E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-06T06:21:00+0800
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    1 Object 1

    AOE ID 21471
    NORAD ID 21471
    Object Type DEBRIS
    Country
    US US
    VS

    2 Object 2

    AOE ID 64956
    NORAD ID 64956
    Object Type PAYLOAD
    Country
    CN CN

    Conjunction Constraints

    Parameter DELTA 1 DEB HULIANWANG DIGUI-35
    Time of Closest Approach 2026-09-06T05:12:32+0000
    Collision Probability (Pc) 2.732872E-6
    Conjunction Distance (km) 2.009 km
    Relative Speed (km/s) 14.012 km/s
    Conjunction Risk Parameters R (Radial): 0.214 | I (In-track): 0.485 | C (Cross-track): 1.938
    Collision Risk Index (CRI) 0.44
    X Position (km) 54.456 56.193
    Position Y (km) 1947.2 1946.297
    Position Z (km) -7296.75 -7297.199
    Velocity X (km/s) 4.971 -1.92
    Velocity Y (km/s) 5.051 -6.758
    Velocity Z (km/s) 1.246 -1.818

    Orbital Parameters 国际轨道数据源

    Parameter DELTA 1 DEB HULIANWANG DIGUI-35
    Semimajor Axis (a) 7422.036 km 7546.057 km
    Eccentricity (e) 0.024930 0.000128
    Inclination (i) 99.9628° 86.4889°
    RAAN 46.4221° 255.2669°
    Perigee Argument 150.4715° 250.3047°
    Mean Anomaly (M) 236.6832° 109.7950°
    Apogee 1228.933 km 1168.884 km
    Perigee 858.865 km 1166.956 km
    Orbit Epoch 2026-09-05T10:17:10+0000 2026-09-05T13:25:04+0000

    DELTA 1 DEB & HULIANWANG DIGUI-35 Collision Probability (Pc) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-35 Collision Probability (Pc) TrendNot Available

    DELTA 1 DEB & HULIANWANG DIGUI-35 Miss Distance (Miss Distance) Trend

    DELTA 1 DEB & HULIANWANG DIGUI-35 Miss Distance (Miss Distance) TrendNot Available

    DELTA 1 DEBMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    HULIANWANG DIGUI-35Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    DELTA 1 DEBCollision Probability Trend

    Object 1 Probability TrendNot Available

    HULIANWANG DIGUI-35Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with DELTA 1 DEB

    No nearby objects data