Conjunction Event Detail

    Medium Risk
    Monitor closely. Maneuver recommended for primary asset.
    1.09544E-5
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-03T11:16:17+0800
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    1 Object 1

    AOE ID 59413
    NORAD ID 59413
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    AOE ID 64540
    NORAD ID 64540
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31615 ARCSTONE
    Time of Closest Approach 2026-09-04T18:05:03+0000
    Collision Probability (Pc) 1.09544E-5
    Conjunction Distance (km) 1.253 km
    Relative Speed (km/s) 12.433 km/s
    Conjunction Risk Parameters R (Radial): -0.15 | I (In-track): 0.724 | C (Cross-track): -1.01
    Collision Risk Index (CRI) 0.56
    X Position (km) 4941.547 4941.267
    Position Y (km) 1136.655 1135.7
    Position Z (km) -4597.059 -4597.82
    Velocity X (km/s) -2.472 5.214
    Velocity Y (km/s) 7.164 -0.174
    Velocity Z (km/s) -0.889 5.563

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31615 ARCSTONE
    Semimajor Axis (a) 6845.387 km 6838.332 km
    Eccentricity (e) 0.000678 0.000153
    Inclination (i) 42.9927° 97.4679°
    RAAN 138.0567° 3.6108°
    Perigee Argument 214.9767° 258.7743°
    Mean Anomaly (M) 145.0642° 101.3328°
    Apogee 471.894 km 461.242 km
    Perigee 462.606 km 459.148 km
    Orbit Epoch 2026-08-31T22:15:10+0000 2026-09-02T06:49:42+0000

    STARLINK-31615 & ARCSTONE Collision Probability (Pc) Trend

    STARLINK-31615 & ARCSTONE Collision Probability (Pc) TrendNot Available

    STARLINK-31615 & ARCSTONE Miss Distance (Miss Distance) Trend

    STARLINK-31615 & ARCSTONE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31615Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31615Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARCSTONECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31615

    No nearby objects data