Conjunction Event Detail

    ✅
    Low Risk
    Low collision probability. Continue monitoring.
    1.44701E-6
    Collision Probability (Pc)
    Last Conjunction Event Update Time 2026-10-23T08:15:27+0800
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    1 Object 1

    AOE ID 42945
    NORAD ID 42945
    Object Type PAYLOAD
    Country
    CN CN
    ← VS →

    2 Object 2

    AOE ID 62706
    NORAD ID 62706
    Object Type PAYLOAD
    Country
    US US

    Conjunction Constraints

    Parameter YAOGAN-30 A LEMUR 2 ALISIA
    Time of Closest Approach 2026-10-23T01:55:55+0000
    Collision Probability (Pc) 1.44701E-6
    Conjunction Distance (km) 2.381 km
    Relative Speed (km/s) 9.182 km/s
    Conjunction Risk Parameters R (Radial): -2.338 | I (In-track): -0.352 | C (Cross-track): -0.272
    Collision Risk Index (CRI) 0.38
    X Position (km) -6043.889 -6045.709
    Position Y (km) -1468.88 -1469.546
    Position Z (km) -3064.42 -3065.803
    Velocity X (km/s) 2.96 2.946
    Velocity Y (km/s) -6.408 1.879
    Velocity Z (km/s) -2.773 -6.726

    Orbital Parameters 国际轨道数据源

    Parameter YAOGAN-30 A LEMUR 2 ALISIA
    Semimajor Axis (a) 6933.598 km 6931.514 km
    Eccentricity (e) 0.000228 0.000321
    Inclination (i) 34.9988° 97.6892°
    RAAN 332.4013° 16.4490°
    Perigee Argument 200.8989° 149.7417°
    Mean Anomaly (M) 159.1626° 210.3995°
    Apogee 557.042 km 555.605 km
    Perigee 553.880 km 551.149 km
    Orbit Epoch 2026-10-22T12:09:54+0000 2026-10-22T01:04:23+0000

    YAOGAN-30 A & LEMUR 2 ALISIA Collision Probability (Pc) Trend

    YAOGAN-30 A & LEMUR 2 ALISIA Collision Probability (Pc) TrendNot Available

    YAOGAN-30 A & LEMUR 2 ALISIA Miss Distance (Miss Distance) Trend

    YAOGAN-30 A & LEMUR 2 ALISIA Miss Distance (Miss Distance) TrendNot Available

    YAOGAN-30 AMiss Distance Trend with All Objects

    Object 1 Miss Distance TrendNot Available

    LEMUR 2 ALISIAMiss Distance Trend with All Objects

    Object 2 Miss Distance TrendNot Available

    YAOGAN-30 ACollision Probability Trend

    Object 1 Probability TrendNot Available

    LEMUR 2 ALISIACollision Probability Trend

    Object 2 Probability TrendNot Available

    Nearby Objects with YAOGAN-30 A

    No nearby objects data