Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.356937E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T01:53:35+0800
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    1 Object 1

    AOE ID 52184
    NORAD ID 52184
    Object Type PAYLOAD
    Country
    AR AR
    ← VS →

    2 Object 2

    AOE ID 53486
    NORAD ID 53486
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter NUSAT-26 (M SOMERVILLE) STARLINK-4431
    Time of Closest Approach 2026-10-28T19:32:28+0000
    Collision Probability (Pc) 1.356937E-6
    Conjunction Distance (km) 2.21 km
    Relative Speed (km/s) 6.401 km/s
    Conjunction Risk Parameters R (Radial): 2.021 | I (In-track): -0.809 | C (Cross-track): 0.378
    Collision Risk Index (CRI) 0.38
    X Position (km) -699.443 -700.277
    Position Y (km) 654.663 654.22
    Position Z (km) -6747.222 -6749.219
    Velocity X (km/s) 7.129 2.632
    Velocity Y (km/s) 2.689 7.154
    Velocity Z (km/s) -0.48 0.421

    Orbital Parameters 国际轨道数据源

    Parameter NUSAT-26 (M SOMERVILLE) STARLINK-4431
    Semimajor Axis (a) 6803.848 km 6818.510 km
    Eccentricity (e) 0.000621 0.000221
    Inclination (i) 97.2250° 97.4267°
    RAAN 18.6760° 68.6173°
    Perigee Argument 117.7177° 90.4728°
    Mean Anomaly (M) 242.4703° 135.3844°
    Apogee 429.935 km 441.882 km
    Perigee 421.487 km 438.864 km
    Orbit Epoch 2026-10-27T06:41:13+0000 2026-10-27T06:00:04+0000

    NUSAT-26 (M SOMERVILLE) & STARLINK-4431 Collision Probability (Pc) Trend

    NUSAT-26 (M SOMERVILLE) & STARLINK-4431 Collision Probability (Pc) TrendNot Available

    NUSAT-26 (M SOMERVILLE) & STARLINK-4431 Miss Distance (Miss Distance) Trend

    NUSAT-26 (M SOMERVILLE) & STARLINK-4431 Miss Distance (Miss Distance) TrendNot Available

    NUSAT-26 (M SOMERVILLE)Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4431Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    NUSAT-26 (M SOMERVILLE)Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4431Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with NUSAT-26 (M SOMERVILLE)

    No nearby objects data