Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    2.459084E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T21:19:09+0800
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    1 Object 1

    AOE ID 59429
    NORAD ID 59429
    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-31773 ARCSTONE
    Time of Closest Approach 2026-09-07T03:58:53+0000
    Collision Probability (Pc) 2.459084E-6
    Conjunction Distance (km) 2.11 km
    Relative Speed (km/s) 14.365 km/s
    Conjunction Risk Parameters R (Radial): -1.324 | I (In-track): -0.545 | C (Cross-track): -1.548
    Collision Risk Index (CRI) 0.43
    X Position (km) 5293.217 5292.076
    Position Y (km) 1345.349 1343.582
    Position Z (km) -4127.352 -4127.194
    Velocity X (km/s) -4.35 4.703
    Velocity Y (km/s) 4.81 -0.088
    Velocity Z (km/s) -4.016 6.005

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31773 ARCSTONE
    Semimajor Axis (a) 6840.883 km 6838.091 km
    Eccentricity (e) 0.000153 0.000166
    Inclination (i) 53.1599° 97.4673°
    RAAN 169.0798° 6.6475°
    Perigee Argument 101.6112° 242.3965°
    Mean Anomaly (M) 258.5063° 117.7109°
    Apogee 463.796 km 461.092 km
    Perigee 461.696 km 458.816 km
    Orbit Epoch 2026-09-05T04:05:26+0000 2026-09-05T06:47:00+0000

    STARLINK-31773 & ARCSTONE Collision Probability (Pc) Trend

    STARLINK-31773 & ARCSTONE Collision Probability (Pc) TrendNot Available

    STARLINK-31773 & ARCSTONE Miss Distance (Miss Distance) Trend

    STARLINK-31773 & ARCSTONE Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31773Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    ARCSTONEMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31773Collision Probability Trend

    Object 1 Probability TrendNot Available

    ARCSTONECollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31773

    No nearby objects data