Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    2.840971E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-20T10:19:35+0800
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    1 Object 1

    AOE ID 58518
    NORAD ID 58518
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 63679
    NORAD ID 63679
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-31021 STARLINK-33850
    Time of Closest Approach 2026-10-21T19:20:30+0000
    Collision Probability (Pc) 2.840971E-6
    Conjunction Distance (km) 1.639 km
    Relative Speed (km/s) 6.167 km/s
    Conjunction Risk Parameters R (Radial): 0.905 | I (In-track): 1.25 | C (Cross-track): -0.552
    Collision Risk Index (CRI) 0.44
    X Position (km) -4222.015 -4220.585
    Position Y (km) 3509.524 3510.111
    Position Z (km) -4119.62 -4119.078
    Velocity X (km/s) -3.032 -5.877
    Velocity Y (km/s) -6.54 -4.175
    Velocity Z (km/s) -2.466 2.466

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-31021 STARLINK-33850
    Semimajor Axis (a) 6861.210 km 6861.144 km
    Eccentricity (e) 0.000066 0.000138
    Inclination (i) 43.0017° 43.0005°
    RAAN 278.7069° 208.5965°
    Perigee Argument 258.6378° 282.9086°
    Mean Anomaly (M) 101.4400° 77.1612°
    Apogee 483.528 km 483.953 km
    Perigee 482.618 km 482.061 km
    Orbit Epoch 2026-10-19T16:04:19+0000 2026-10-19T04:50:33+0000

    STARLINK-31021 & STARLINK-33850 Collision Probability (Pc) Trend

    STARLINK-31021 & STARLINK-33850 Collision Probability (Pc) TrendNot Available

    STARLINK-31021 & STARLINK-33850 Miss Distance (Miss Distance) Trend

    STARLINK-31021 & STARLINK-33850 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-31021Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-33850Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-31021Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-33850Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-31021

    No nearby objects data