Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    4.113025E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-15T11:58:37+0800
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    1 Object 1

    AOE ID 58646
    NORAD ID 58646
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 59513
    NORAD ID 59513
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31658
    Time of Closest Approach 2026-10-15T09:08:25+0000
    Collision Probability (Pc) 4.113025E-6
    Conjunction Distance (km) 1.74 km
    Relative Speed (km/s) 14.296 km/s
    Conjunction Risk Parameters R (Radial): -1.258 | I (In-track): -0.414 | C (Cross-track): 1.127
    Collision Risk Index (CRI) 0.47
    X Position (km) 4261.427 4259.754
    Position Y (km) -5214.069 -5213.702
    Position Z (km) -1326.197 -1326.501
    Velocity X (km/s) 0.154 3.78
    Velocity Y (km/s) -1.756 4.353
    Velocity Z (km/s) 7.416 -4.989

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31658
    Semimajor Axis (a) 6860.860 km 6861.379 km
    Eccentricity (e) 0.000563 0.000075
    Inclination (i) 97.3393° 43.0028°
    RAAN 306.7748° 123.5260°
    Perigee Argument 292.7602° 236.3630°
    Mean Anomaly (M) 67.3042° 123.7151°
    Apogee 486.584 km 483.758 km
    Perigee 478.862 km 482.726 km
    Orbit Epoch 2026-10-14T08:02:15+0000 2026-10-14T05:36:23+0000

    TIANMU-1 12 & STARLINK-31658 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31658 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31658 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31658 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31658Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31658Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data