Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.281148E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-01T08:06:09+0800
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    1 Object 1

    AOE ID 40028
    NORAD ID 40028
    Object Type PAYLOAD
    Country
    SG SG
    VS

    2 Object 2

    AOE ID 63867
    NORAD ID 63867
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter POPSAT HIP 1 STARLINK-33979
    Time of Closest Approach 2026-09-01T11:22:32+0000
    Collision Probability (Pc) 1.281148E-6
    Conjunction Distance (km) 2.878 km
    Relative Speed (km/s) 12.512 km/s
    Conjunction Risk Parameters R (Radial): 2.851 | I (In-track): -0.213 | C (Cross-track): 0.328
    Collision Risk Index (CRI) 0.37
    X Position (km) -1271.685 -1272.555
    Position Y (km) -1991.018 -1991.988
    Position Z (km) 6473.666 6476.231
    Velocity X (km/s) 0.87 6.629
    Velocity Y (km/s) 7.169 -3.715
    Velocity Z (km/s) 2.374 0.159

    Orbital Parameters 国际轨道数据源

    Parameter POPSAT HIP 1 STARLINK-33979
    Semimajor Axis (a) 6895.839 km 6914.201 km
    Eccentricity (e) 0.000514 0.000323
    Inclination (i) 98.0990° 70.0005°
    RAAN 259.4717° 153.4652°
    Perigee Argument 305.4005° 266.5557°
    Mean Anomaly (M) 54.6746° 14.2045°
    Apogee 521.244 km 538.301 km
    Perigee 514.160 km 533.827 km
    Orbit Epoch 2026-08-31T14:28:08+0000 2026-08-31T14:00:03+0000

    POPSAT HIP 1 & STARLINK-33979 Collision Probability (Pc) Trend

    POPSAT HIP 1 & STARLINK-33979 Collision Probability (Pc) TrendNot Available

    POPSAT HIP 1 & STARLINK-33979 Miss Distance (Miss Distance) Trend

    POPSAT HIP 1 & STARLINK-33979 Miss Distance (Miss Distance) TrendNot Available

    POPSAT HIP 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33979Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    POPSAT HIP 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33979Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with POPSAT HIP 1

    No nearby objects data