Conjunction Event Detail

    ⚠
    High Risk
    High collision probability. Maneuver recommended for primary asset.
    2.190559E-4
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-31T01:27:42+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    Name ETV-A1
    AOE ID 51060
    NORAD ID 51060
    Object Type PAYLOAD
    Country
    GB GB
    ← VS →

    2 Object 2

    AOE ID 57681
    NORAD ID 57681
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter ETV-A1 STARLINK-30273
    Time of Closest Approach 2026-10-30T19:20:43+0000
    Collision Probability (Pc) 2.190559E-4
    Conjunction Distance (km) 0.485 km
    Relative Speed (km/s) 14.795 km/s
    Conjunction Risk Parameters R (Radial): 0.123 | I (In-track): 0.108 | C (Cross-track): 0.457
    Collision Risk Index (CRI) 0.82
    X Position (km) -6707.305 -6707.354
    Position Y (km) -1189.206 -1189.661
    Position Z (km) 199.332 199.171
    Velocity X (km/s) -0.395 0.988
    Velocity Y (km/s) 0.913 -4.484
    Velocity Z (km/s) -7.586 6.119

    Orbital Parameters 国际轨道数据源

    Parameter ETV-A1 STARLINK-30273
    Semimajor Axis (a) 6814.728 km 6812.491 km
    Eccentricity (e) 0.000419 0.000632
    Inclination (i) 97.2720° 53.1504°
    RAAN 9.0309° 193.4175°
    Perigee Argument 195.3890° 115.1553°
    Mean Anomaly (M) 164.7231° 237.3357°
    Apogee 439.446 km 438.657 km
    Perigee 433.736 km 430.051 km
    Orbit Epoch 2026-10-29T23:54:05+0000 2026-10-29T20:00:02+0000

    ETV-A1 & STARLINK-30273 Collision Probability (Pc) Trend

    ETV-A1 & STARLINK-30273 Collision Probability (Pc) TrendNot Available

    ETV-A1 & STARLINK-30273 Miss Distance (Miss Distance) Trend

    ETV-A1 & STARLINK-30273 Miss Distance (Miss Distance) TrendNot Available

    ETV-A1Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30273Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    ETV-A1Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30273Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with ETV-A1

    No nearby objects data