Conjunction Event Detail

    ✅
    Very Low Risk
    Very low collision probability. Continue monitoring.
    8.430437E-7
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T02:44:26+0800
    View CDM
    Download CDM 1.0

    1 Object 1

    AOE ID 52698
    NORAD ID 52698
    Object Type PAYLOAD
    Country
    US US
    ← VS →

    2 Object 2

    AOE ID 53002
    NORAD ID 53002
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter STARLINK-4030 STARLINK-4121
    Time of Closest Approach 2026-10-19T00:11:05+0000
    Collision Probability (Pc) 8.430437E-7
    Conjunction Distance (km) 2.994 km
    Relative Speed (km/s) 6.461 km/s
    Conjunction Risk Parameters R (Radial): 2.974 | I (In-track): 0.31 | C (Cross-track): 0.155
    Collision Risk Index (CRI) 0.34
    X Position (km) 187.931 187.504
    Position Y (km) -4518.925 -4516.98
    Position Z (km) 5122.456 5120.221
    Velocity X (km/s) 6.816 7.019
    Velocity Y (km/s) 2.709 -2.135
    Velocity Z (km/s) 2.134 -2.135

    Orbital Parameters 国际轨道数据源

    Parameter STARLINK-4030 STARLINK-4121
    Semimajor Axis (a) 6840.725 km 6837.897 km
    Eccentricity (e) 0.000139 0.000144
    Inclination (i) 53.1583° 53.1575°
    RAAN 218.5840° 155.1664°
    Perigee Argument 92.6962° 89.9582°
    Mean Anomaly (M) 267.4199° 270.1586°
    Apogee 463.536 km 460.745 km
    Perigee 461.640 km 458.775 km
    Orbit Epoch 2026-10-18T01:59:53+0000 2026-10-18T00:16:21+0000

    STARLINK-4030 & STARLINK-4121 Collision Probability (Pc) Trend

    STARLINK-4030 & STARLINK-4121 Collision Probability (Pc) TrendNot Available

    STARLINK-4030 & STARLINK-4121 Miss Distance (Miss Distance) Trend

    STARLINK-4030 & STARLINK-4121 Miss Distance (Miss Distance) TrendNot Available

    STARLINK-4030Miss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-4121Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    STARLINK-4030Collision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-4121Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with STARLINK-4030

    No nearby objects data