Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.378512E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T05:22:33+0800
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    1 Object 1

    AOE ID 58301
    NORAD ID 58301
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 59573
    NORAD ID 59573
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter IMPULSE-1 MIRA STARLINK-31683
    Time of Closest Approach 2026-10-20T03:55:51+0000
    Collision Probability (Pc) 1.378512E-6
    Conjunction Distance (km) 2.874 km
    Relative Speed (km/s) 14.176 km/s
    Conjunction Risk Parameters R (Radial): -2.365 | I (In-track): 0.595 | C (Cross-track): -1.519
    Collision Risk Index (CRI) 0.38
    X Position (km) -5879.952 -5882.308
    Position Y (km) -2635.44 -2634.942
    Position Z (km) 2341.871 2343.439
    Velocity X (km/s) -2.829 3.925
    Velocity Y (km/s) -0.108 -4.744
    Velocity Z (km/s) -7.067 4.502

    Orbital Parameters 国际轨道数据源

    Parameter IMPULSE-1 MIRA STARLINK-31683
    Semimajor Axis (a) 6829.877 km 6861.191 km
    Eccentricity (e) 0.006900 0.000125
    Inclination (i) 97.5132° 43.0031°
    RAAN 20.4978° 187.4786°
    Perigee Argument 39.1581° 274.5605°
    Mean Anomaly (M) 321.4627° 85.5104°
    Apogee 498.867 km 483.910 km
    Perigee 404.613 km 482.198 km
    Orbit Epoch 2026-10-19T06:56:46+0000 2026-10-19T01:07:21+0000

    IMPULSE-1 MIRA & STARLINK-31683 Collision Probability (Pc) Trend

    IMPULSE-1 MIRA & STARLINK-31683 Collision Probability (Pc) TrendNot Available

    IMPULSE-1 MIRA & STARLINK-31683 Miss Distance (Miss Distance) Trend

    IMPULSE-1 MIRA & STARLINK-31683 Miss Distance (Miss Distance) TrendNot Available

    IMPULSE-1 MIRAMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-31683Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    IMPULSE-1 MIRACollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-31683Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with IMPULSE-1 MIRA

    No nearby objects data