Conjunction Event Detail

    Low Risk
    Low collision probability. Continue monitoring.
    1.366728E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-09-05T09:41:41+0800
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    1 Object 1

    AOE ID 54162
    NORAD ID 54162
    Object Type PAYLOAD
    Country
    US US
    VS

    2 Object 2

    Name SEDNA-2
    AOE ID 63153
    NORAD ID 63153
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-5273 SEDNA-2
    Time of Closest Approach 2026-09-06T04:58:27+0000
    Collision Probability (Pc) 1.366728E-6
    Conjunction Distance (km) 2.278 km
    Relative Speed (km/s) 7.2 km/s
    Conjunction Risk Parameters R (Radial): 0.667 | I (In-track): -1.918 | C (Cross-track): -1.029
    Collision Risk Index (CRI) 0.38
    X Position (km) -4010.327 -4009.586
    Position Y (km) 3945.78 3944.055
    Position Z (km) -4014.739 -4016.027
    Velocity X (km/s) -1.797 3.946
    Velocity Y (km/s) -6.077 -2.186
    Velocity Z (km/s) -4.18 -6.106

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-5273 SEDNA-2
    Semimajor Axis (a) 6906.682 km 6905.777 km
    Eccentricity (e) 0.000189 0.000992
    Inclination (i) 53.1598° 97.4477°
    RAAN 289.3342° 318.4039°
    Perigee Argument 357.8936° 143.9744°
    Mean Anomaly (M) 303.3501° 216.2157°
    Apogee 529.851 km 534.492 km
    Perigee 527.239 km 520.788 km
    Orbit Epoch 2026-09-04T20:00:02+0000 2026-09-03T17:17:19+0000

    STARLINK-5273 & SEDNA-2 Collision Probability (Pc) Trend

    STARLINK-5273 & SEDNA-2 Collision Probability (Pc) TrendNot Available

    STARLINK-5273 & SEDNA-2 Miss Distance (Miss Distance) Trend

    STARLINK-5273 & SEDNA-2 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-5273Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    SEDNA-2Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-5273Collision Probability Trend

    Object 1 Probability TrendNot Available

    SEDNA-2Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-5273

    No nearby objects data