Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.34725E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-07T16:48:14+0800
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    1 Object 1

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

    2 Object 2

    AOE ID 69258
    NORAD ID 69258
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ARCSTONE STARLINK-37276
    Time of Closest Approach 2026-09-07T10:33:13+0000
    Collision Probability (Pc) 1.34725E-6
    Conjunction Distance (km) 2.952 km
    Relative Speed (km/s) 14.449 km/s
    Conjunction Risk Parameters R (Radial): -0.849 | I (In-track): 0.909 | C (Cross-track): -2.676
    Collision Risk Index (CRI) 0.38
    X Position (km) 5598.681 5597.076
    Position Y (km) 351.201 353.604
    Position Z (km) 3908.194 3908.792
    Velocity X (km/s) -4.234 2.629
    Velocity Y (km/s) -1.477 5.76
    Velocity Z (km/s) 6.181 -4.273

    Orbital Parameters 国际轨道数据源

    Parameter ARCSTONE STARLINK-37276
    Semimajor Axis (a) 6837.961 km 6840.819 km
    Eccentricity (e) 0.000177 0.000048
    Inclination (i) 97.4676° 53.1598°
    RAAN 8.2319° 220.4089°
    Perigee Argument 234.7103° 106.3546°
    Mean Anomaly (M) 125.3975° 253.7510°
    Apogee 461.034 km 463.013 km
    Perigee 458.614 km 462.351 km
    Orbit Epoch 2026-09-06T20:19:25+0000 2026-09-06T07:23:46+0000

    ARCSTONE & STARLINK-37276 Collision Probability (Pc) Trend

    ARCSTONE & STARLINK-37276 Collision Probability (Pc) TrendNot Available

    ARCSTONE & STARLINK-37276 Miss Distance (Miss Distance) Trend

    ARCSTONE & STARLINK-37276 Miss Distance (Miss Distance) TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-37276Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ARCSTONECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-37276Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ARCSTONE

    No nearby objects data