Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    2.035278E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T10:48:31+0800
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    1 Object 1

    AOE ID 58702
    NORAD ID 58702
    Object Type PAYLOAD
    Country
    CN CN
    VS

    2 Object 2

    AOE ID 59905
    NORAD ID 59905
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter TIANMU-1 17 STARLINK-31898
    Time of Closest Approach 2026-09-05T05:38:52+0000
    Collision Probability (Pc) 2.035278E-5
    Conjunction Distance (km) 1.052 km
    Relative Speed (km/s) 12.617 km/s
    Conjunction Risk Parameters R (Radial): -0.794 | I (In-track): 0.399 | C (Cross-track): 0.563
    Collision Risk Index (CRI) 0.61
    X Position (km) -812.653 -812.132
    Position Y (km) -5054.322 -5054.135
    Position Z (km) 4560.423 4559.528
    Velocity X (km/s) -2.105 7.539
    Velocity Y (km/s) -4.732 -0.179
    Velocity Z (km/s) -5.598 1.142

    Orbital Parameters 国际轨道数据源

    Parameter TIANMU-1 17 STARLINK-31898
    Semimajor Axis (a) 6861.586 km 6861.212 km
    Eccentricity (e) 0.000700 0.000100
    Inclination (i) 97.4655° 43.0024°
    RAAN 71.5099° 206.5276°
    Perigee Argument 85.4996° 266.8003°
    Mean Anomaly (M) 274.7042° 93.2735°
    Apogee 488.252 km 483.760 km
    Perigee 478.646 km 482.390 km
    Orbit Epoch 2026-09-02T14:09:27+0000 2026-09-01T22:50:51+0000

    TIANMU-1 17 & STARLINK-31898 Collision Probability (Pc) Trend

    TIANMU-1 17 & STARLINK-31898 Collision Probability (Pc) TrendNot Available

    TIANMU-1 17 & STARLINK-31898 Miss Distance (Miss Distance) Trend

    TIANMU-1 17 & STARLINK-31898 Miss Distance (Miss Distance) TrendNot Available

    TIANMU-1 17Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31898Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    TIANMU-1 17Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31898Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with TIANMU-1 17

    No nearby objects data