🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.4 AU - 0.66 AU

Year: 249 Days

Day: 16.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 9.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.85 AU - 0.95 AU

Year: 551 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,756,910 km

• M1: 114,442 km (0.063 R)
• M2: 406,308 km (0.084 R)
• M3: 711,487 km (0.096 R)
• M4: 1,091,466 km (0.081 R)
• M5: 1,424,321 km (0.108 R)
• M6: 1,833,172 km (0.038 R)
• M7: 2,168,421 km (0.046 R)
• M8: 2,603,302 km (0.052 R)
• M9: 3,323,466 km (0.112 R)
• M10: 3,636,425 km (0.064 R)
• M11: 4,535,508 km (0.062 R)
• M12: 5,202,266 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.4

Radius: 11.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.19 AU - 1.49 AU

Year: 1002 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,756,910 km

• M1: 138,378 km (0.115 R)
• M2: 665,411 km (0.116 R)
• M3: 1,014,872 km (0.102 R)
• M4: 1,982,770 km (0.108 R)
• M5: 2,475,695 km (0.118 R)
• M6: 3,642,858 km (0.077 R)
• M7: 4,448,741 km (0.089 R)
• M8: 4,829,019 km (0.098 R)
• M9: 6,217,587 km (0.053 R)
• M10: 7,004,322 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 9.3

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.09 AU - 1.59 AU

Year: 1002 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,756,910 km

• M1: 115,639 km (0.051 R)
• M2: 534,962 km (0.085 R)
• M3: 971,489 km (0.111 R)
• M4: 1,366,577 km (0.117 R)
• M5: 2,046,798 km (0.083 R)
• M6: 2,429,021 km (0.103 R)
• M7: 3,031,002 km (0.087 R)
• M8: 3,636,275 km (0.04 R)
• M9: 4,234,517 km (0.118 R)
• M10: 4,991,483 km (0.099 R)
• M11: 5,878,448 km (0.082 R)
• M12: 7,058,028 km (0.106 R)
• M13: 7,401,055 km (0.12 R)
• M14: 8,067,664 km (0.051 R)
• M15: 8,388,551 km (0.112 R)
• M16: 9,344,332 km (0.067 R)
• M17: 9,638,890 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 11.8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.31 AU - 2.09 AU

Year: 1431 Days

Day: 9 Hours

Environment

Temp: -176 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,756,910 km

• M1: 146,756 km (0.052 R)
• M2: 587,620 km (0.037 R)
• M3: 954,734 km (0.044 R)
• M4: 1,432,100 km (0.096 R)
• M5: 1,910,963 km (0.037 R)
• M6: 3,263,178 km (0.077 R)
• M7: 4,103,918 km (0.072 R)
• M8: 4,617,338 km (0.029 R)
• M9: 5,676,940 km (0.085 R)
• M10: 6,804,459 km (0.07 R)
• M11: 7,272,401 km (0.064 R)
• M12: 7,857,479 km (0.119 R)
• M13: 8,600,830 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.9

Radius: 5.9

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.45 AU - 11.87 AU

Year: 20910 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 72,756,910 km

• M1: 80,035 km (0.078 R)
• M2: 430,393 km (0.08 R)
• M3: 727,494 km (0.095 R)
• M4: 1,441,375 km (0.091 R)
• M5: 1,634,955 km (0.112 R)
• M6: 1,864,438 km (0.092 R)
• M7: 2,217,788 km (0.117 R)
• M8: 2,545,557 km (0.109 R)
• M9: 2,781,473 km (0.115 R)
• M10: 3,006,468 km (0.095 R)
• M11: 3,325,112 km (0.061 R)
• M12: 3,906,300 km (0.108 R)
• M13: 4,586,970 km (0.052 R)
• M14: 5,119,538 km (0.088 R)
• M15: 6,180,786 km (0.08 R)
• M16: 7,334,335 km (0.101 R)
• M17: 7,619,618 km (0.099 R)
• M18: 10,772,243 km (0.103 R)
• M19: 11,646,045 km (0.059 R)
• M20: 12,566,221 km (0.053 R)
• M21: 13,252,427 km (0.104 R)
• M22: 14,925,230 km (0.075 R)
• M23: 15,851,690 km (0.047 R)
• M24: 23,435,254 km (0.101 R)
• M25: 24,263,428 km (0.116 R)
• M26: 28,464,884 km (0.093 R)
• M27: 32,997,850 km (0.115 R)
• M28: 41,934,078 km (0.111 R)
• M29: 46,465,697 km (0.083 R)
• M30: 47,278,612 km (0.116 R)
• M31: 48,765,615 km (0.034 R)
• M32: 57,041,070 km (0.06 R)
• M33: 61,217,094 km (0.079 R)
• M34: 63,578,646 km (0.12 R)
• M35: 68,064,488 km (0.077 R)
• M36: 68,692,201 km (0.111 R)
• M37: 70,171,574 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 16,266 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit