Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.877528E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-21T08:04:34+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 59542
    NORAD ID 59542
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 12 STARLINK-31540
    Time of Closest Approach 2026-10-21T01:14:27+0000
    Collision Probability (Pc) 1.877528E-6
    Conjunction Distance (km) 2.382 km
    Relative Speed (km/s) 14.219 km/s
    Conjunction Risk Parameters R (Radial): -1.466 | I (In-track): -0.681 | C (Cross-track): -1.748
    Collision Risk Index (CRI) 0.4
    X Position (km) -4306.843 -4304.864
    Position Y (km) 4939.563 4939.79
    Position Z (km) -2041.386 -2040.082
    Velocity X (km/s) 2.243 -5.356
    Velocity Y (km/s) -1.022 -2.739
    Velocity Z (km/s) -7.212 4.682

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 12 STARLINK-31540
    Semimajor Axis (a) 6860.682 km 6861.211 km
    Eccentricity (e) 0.000556 0.000114
    Inclination (i) 97.3397° 43.0047°
    RAAN 312.6419° 156.4705°
    Perigee Argument 264.6455° 262.2583°
    Mean Anomaly (M) 95.4150° 97.8140°
    Apogee 486.359 km 483.854 km
    Perigee 478.731 km 482.294 km
    Orbit Epoch 2026-10-20T07:05:16+0000 2026-10-20T00:14:42+0000

    TIANMU-1 12 & STARLINK-31540 Collision Probability (Pc) Trend

    TIANMU-1 12 & STARLINK-31540 Collision Probability (Pc) TrendNot Available

    TIANMU-1 12 & STARLINK-31540 Miss Distance (Miss Distance) Trend

    TIANMU-1 12 & STARLINK-31540 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 12Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31540Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 12Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31540Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 12

    No nearby objects data