Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    5.083527E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-12T11:02:53+0800
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    1 Object 1

    AOE ID 39161
    NORAD ID 39161
    Object Type PAYLOAD
    Country
    EE EE
    VS

    2 Object 2

    AOE ID 68933
    NORAD ID 68933
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ESTCUBE 1 KUIPER-00421
    Time of Closest Approach 2026-09-13T15:54:23+0000
    Collision Probability (Pc) 5.083527E-6
    Conjunction Distance (km) 1.497 km
    Relative Speed (km/s) 9.748 km/s
    Conjunction Risk Parameters R (Radial): 1.27 | I (In-track): -0.606 | C (Cross-track): -0.511
    Collision Risk Index (CRI) 0.49
    X Position (km) 3368.658 3368.69
    Position Y (km) -3189.856 -3189.36
    Position Z (km) -5260.621 -5259.209
    Velocity X (km/s) 2.96 6.309
    Velocity Y (km/s) -4.91 3.708
    Velocity Z (km/s) 4.882 1.793

    Orbital Parameters 国际轨道数据源

    Parameter ESTCUBE 1 KUIPER-00421
    Semimajor Axis (a) 7002.396 km 7007.691 km
    Eccentricity (e) 0.000969 0.000075
    Inclination (i) 97.7211° 51.9026°
    RAAN 305.2472° 29.4661°
    Perigee Argument 94.4651° 106.0577°
    Mean Anomaly (M) 265.7670° 254.0468°
    Apogee 631.046 km 630.078 km
    Perigee 617.472 km 629.030 km
    Orbit Epoch 2026-09-11T02:32:09+0000 2026-09-11T09:07:43+0000

    ESTCUBE 1 & KUIPER-00421 Collision Probability (Pc) Trend

    ESTCUBE 1 & KUIPER-00421 Collision Probability (Pc) TrendNot Available

    ESTCUBE 1 & KUIPER-00421 Miss Distance (Miss Distance) Trend

    ESTCUBE 1 & KUIPER-00421 Miss Distance (Miss Distance) TrendNot Available

    ESTCUBE 1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    KUIPER-00421Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ESTCUBE 1Collision Probability Trend

    Object 1 Probability TrendNot Available

    KUIPER-00421Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ESTCUBE 1

    No nearby objects data