Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.330902E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-18T22:25:05+0800
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    1 Object 1

    AOE ID 58321
    NORAD ID 58321
    Object Type PAYLOAD
    Country
    FR FR
    ← VS →

    2 Object 2

    AOE ID 63720
    NORAD ID 63720
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter PROTOMETHEE STARLINK-33757
    Time of Closest Approach 2026-10-20T06:56:44+0000
    Collision Probability (Pc) 1.330902E-6
    Conjunction Distance (km) 2.838 km
    Relative Speed (km/s) 12.949 km/s
    Conjunction Risk Parameters R (Radial): 2.618 | I (In-track): 0.589 | C (Cross-track): 0.926
    Collision Risk Index (CRI) 0.37
    X Position (km) 4221.166 4220.167
    Position Y (km) 123.45 122.627
    Position Z (km) 5374.298 5371.773
    Velocity X (km/s) -5.834 1.228
    Velocity Y (km/s) -1.757 7.455
    Velocity Z (km/s) 4.608 -1.132

    Orbital Parameters 国际轨道数据源

    Parameter PROTOMETHEE STARLINK-33757
    Semimajor Axis (a) 6845.282 km 6840.774 km
    Eccentricity (e) 0.000913 0.000155
    Inclination (i) 97.3675° 53.1583°
    RAAN 9.1282° 266.4793°
    Perigee Argument 88.6165° 76.6341°
    Mean Anomaly (M) 271.6123° 283.4835°
    Apogee 473.395 km 463.701 km
    Perigee 460.895 km 461.573 km
    Orbit Epoch 2026-10-18T06:09:07+0000 2026-10-17T15:59:00+0000

    PROTOMETHEE & STARLINK-33757 Collision Probability (Pc) Trend

    PROTOMETHEE & STARLINK-33757 Collision Probability (Pc) TrendNot Available

    PROTOMETHEE & STARLINK-33757 Miss Distance (Miss Distance) Trend

    PROTOMETHEE & STARLINK-33757 Miss Distance (Miss Distance) TrendNot Available

    PROTOMETHEEMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33757Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    PROTOMETHEECollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33757Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with PROTOMETHEE

    No nearby objects data