Conjunction Event Detail

    Very Low Risk
    Very low collision probability. Continue monitoring.
    9.374472E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T00:55:51+0800
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    1 Object 1

    AOE ID 58700
    NORAD ID 58700
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59670
    NORAD ID 59670
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 15 STARLINK-31860
    Time of Closest Approach 2026-09-06T20:58:17+0000
    Collision Probability (Pc) 9.374472E-7
    Conjunction Distance (km) 2.891 km
    Relative Speed (km/s) 7.274 km/s
    Conjunction Risk Parameters R (Radial): -2.093 | I (In-track): 1.754 | C (Cross-track): -0.946
    Collision Risk Index (CRI) 0.34
    X Position (km) 1361.549 1360.547
    Position Y (km) 6482.727 6481.373
    Position Z (km) -1801.12 -1798.772
    Velocity X (km/s) 1.409 -5.385
    Velocity Y (km/s) 1.717 2.459
    Velocity Z (km/s) 7.291 4.802

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 15 STARLINK-31860
    Semimajor Axis (a) 6861.807 km 6861.169 km
    Eccentricity (e) 0.000850 0.000064
    Inclination (i) 97.4677° 43.0010°
    RAAN 75.5074° 100.6084°
    Perigee Argument 57.1488° 257.9855°
    Mean Anomaly (M) 303.0568° 102.0925°
    Apogee 489.506 km 483.472 km
    Perigee 477.834 km 482.592 km
    Orbit Epoch 2026-09-06T06:53:15+0000 2026-09-05T21:31:52+0000

    TIANMU-1 15 & STARLINK-31860 Collision Probability (Pc) Trend

    TIANMU-1 15 & STARLINK-31860 Collision Probability (Pc) TrendNot Available

    TIANMU-1 15 & STARLINK-31860 Miss Distance (Miss Distance) Trend

    TIANMU-1 15 & STARLINK-31860 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 15Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31860Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 15Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31860Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 15

    No nearby objects data