Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    6.209269E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T19:13:29+0800
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    1 Object 1

    Name AIST 2
    AOE ID 39133
    NORAD ID 39133
    Object Type PAYLOAD
    Country
    CIS CIS
    VS

    2 Object 2

    AOE ID 58251
    NORAD ID 58251
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter AIST 2 STARLINK-30881
    Time of Closest Approach 2026-09-05T22:18:42+0000
    Collision Probability (Pc) 6.209269E-7
    Conjunction Distance (km) 2.744 km
    Relative Speed (km/s) 2.957 km/s
    Conjunction Risk Parameters R (Radial): 0.479 | I (In-track): 2.65 | C (Cross-track): 0.526
    Collision Risk Index (CRI) 0.31
    X Position (km) -6761.684 -6761.864
    Position Y (km) 275.707 274.098
    Position Z (km) -1132.785 -1135
    Velocity X (km/s) 1.005 0.613
    Velocity Y (km/s) -3.325 -5.682
    Velocity Z (km/s) -6.789 -5.047

    Orbital Parameters 国际轨道数据源

    Parameter AIST 2 STARLINK-30881
    Semimajor Axis (a) 6862.801 km 6861.166 km
    Eccentricity (e) 0.001474 0.000128
    Inclination (i) 64.8706° 43.0014°
    RAAN 355.6291° 354.5288°
    Perigee Argument 254.1919° 264.9044°
    Mean Anomaly (M) 105.7587° 95.1662°
    Apogee 494.778 km 483.907 km
    Perigee 474.550 km 482.151 km
    Orbit Epoch 2026-09-05T04:11:24+0000 2026-09-04T15:39:02+0000

    AIST 2 & STARLINK-30881 Collision Probability (Pc) Trend

    AIST 2 & STARLINK-30881 Collision Probability (Pc) TrendNot Available

    AIST 2 & STARLINK-30881 Miss Distance (Miss Distance) Trend

    AIST 2 & STARLINK-30881 Miss Distance (Miss Distance) TrendNot Available

    AIST 2Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30881Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    AIST 2Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30881Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with AIST 2

    No nearby objects data