Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.073665E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-28T02:38:49+0800
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    1 Object 1

    AOE ID 49027
    NORAD ID 49027
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 65453
    NORAD ID 65453
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANQI-15 STARLINK-34988
    Time of Closest Approach 2026-10-27T21:25:25+0000
    Collision Probability (Pc) 1.073665E-6
    Conjunction Distance (km) 2.784 km
    Relative Speed (km/s) 8.494 km/s
    Conjunction Risk Parameters R (Radial): -2.289 | I (In-track): -1.314 | C (Cross-track): 0.881
    Collision Risk Index (CRI) 0.36
    X Position (km) 5430.067 5428.269
    Position Y (km) -3604.709 -3604.361
    Position Z (km) -2291.965 -2289.869
    Velocity X (km/s) 2.612 -2.639
    Velocity Y (km/s) 6.185 0.529
    Velocity Z (km/s) -3.558 -7.103

    Orbital Parameters 国际轨道数据源

    Parameter TIANQI-15 STARLINK-34988
    Semimajor Axis (a) 6909.500 km 6900.235 km
    Eccentricity (e) 0.000505 0.000189
    Inclination (i) 34.9964° 97.2766°
    RAAN 120.5731° 148.1962°
    Perigee Argument 147.2280° 356.4258°
    Mean Anomaly (M) 212.8745° 3.6961°
    Apogee 534.856 km 523.406 km
    Perigee 527.870 km 520.790 km
    Orbit Epoch 2026-10-27T04:37:30+0000 2026-10-27T01:31:10+0000

    TIANQI-15 & STARLINK-34988 Collision Probability (Pc) Trend

    TIANQI-15 & STARLINK-34988 Collision Probability (Pc) TrendNot Available

    TIANQI-15 & STARLINK-34988 Miss Distance (Miss Distance) Trend

    TIANQI-15 & STARLINK-34988 Miss Distance (Miss Distance) TrendNot Available

    TIANQI-15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-34988Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANQI-15Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-34988Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANQI-15

    No nearby objects data