Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.085755E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-19T09:50:27+0800
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    1 Object 1

    AOE ID 53318
    NORAD ID 53318
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 58494
    NORAD ID 58494
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-35 03B STARLINK-30981
    Time of Closest Approach 2026-10-20T12:33:48+0000
    Collision Probability (Pc) 1.085755E-6
    Conjunction Distance (km) 2.59 km
    Relative Speed (km/s) 7.194 km/s
    Conjunction Risk Parameters R (Radial): -1.205 | I (In-track): -2.023 | C (Cross-track): 1.078
    Collision Risk Index (CRI) 0.36
    X Position (km) -194.42 -192.173
    Position Y (km) -6057.995 -6059.017
    Position Z (km) 3204.217 3204.997
    Velocity X (km/s) 7.025 6.37
    Velocity Y (km/s) -1.576 1.806
    Velocity Z (km/s) -2.529 3.787

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-35 03B STARLINK-30981
    Semimajor Axis (a) 6864.753 km 6861.172 km
    Eccentricity (e) 0.001073 0.000133
    Inclination (i) 34.9890° 43.0024°
    RAAN 147.7413° 246.2253°
    Perigee Argument 47.9588° 271.8999°
    Mean Anomaly (M) 312.2040° 88.1700°
    Apogee 493.984 km 483.946 km
    Perigee 479.248 km 482.124 km
    Orbit Epoch 2026-10-18T20:46:30+0000 2026-10-18T07:01:12+0000

    YAOGAN-35 03B & STARLINK-30981 Collision Probability (Pc) Trend

    YAOGAN-35 03B & STARLINK-30981 Collision Probability (Pc) TrendNot Available

    YAOGAN-35 03B & STARLINK-30981 Miss Distance (Miss Distance) Trend

    YAOGAN-35 03B & STARLINK-30981 Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-35 03BMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    STARLINK-30981Miss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-35 03BCollision Probability Trend

    Object 1 Probability TrendNot Available

    STARLINK-30981Collision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-35 03B

    No nearby objects data