🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.48 AU - 0.78 AU

Year: 179 Days

Day: 32.6 Hours

Environment

Temp: 186 °C

Axial Tilt: 21.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.88 AU - 0.94 AU

Year: 311 Days

Day: 39.8 Hours

Environment

Temp: 104 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 27,231,291 km

• M1: 154,983 km (0.091 R)
• M2: 381,175 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.94 AU - 1.16 AU

Year: 385 Days

Day: 36.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 27,231,291 km

• M1: 477,068 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.46 AU - 3.06 AU

Year: 1642 Days

Day: 14 Hours

Environment

Temp: -99 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.79 AU - 3.11 AU

Year: 1815 Days

Day: 41.7 Hours

Environment

Temp: -92 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.79 AU - 4.17 AU

Year: 2325 Days

Day: 24 Hours

Environment

Temp: -106 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.93 AU - 4.43 AU

Year: 2528 Days

Day: 30.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.72 AU - 4.74 AU

Year: 3116 Days

Day: 41.2 Hours

Environment

Temp: -116 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,231,291 km

• M1: 1,359,845 km (0.061 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100

Radius: 14.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.41 AU - 10.45 AU

Year: 11207 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 27,231,291 km

• M1: 235,018 km (0.08 R)
• M2: 332,855 km (0.101 R)
• M3: 572,960 km (0.081 R)
• M4: 675,434 km (0.115 R)
• M5: 940,073 km (0.083 R)
• M6: 1,185,563 km (0.111 R)
• M7: 1,295,518 km (0.086 R)
• M8: 1,511,986 km (0.07 R)
• M9: 1,740,870 km (0.065 R)
• M10: 1,835,715 km (0.102 R)
• M11: 2,233,496 km (0.101 R)
• M12: 2,372,323 km (0.099 R)
• M13: 2,514,291 km (0.083 R)
• M14: 2,622,600 km (0.047 R)
• M15: 3,246,723 km (0.116 R)
• M16: 3,345,457 km (0.08 R)
• M17: 3,485,182 km (0.119 R)
• M18: 3,937,715 km (0.078 R)
• M19: 4,518,753 km (0.041 R)
• M20: 4,718,616 km (0.115 R)
• M21: 4,898,732 km (0.077 R)
• M22: 5,058,203 km (0.046 R)
• M23: 5,242,657 km (0.082 R)
• M24: 5,689,805 km (0.108 R)
• M25: 5,809,484 km (0.083 R)
• M26: 5,905,974 km (0.111 R)
• M27: 6,051,533 km (0.072 R)
• M28: 6,646,185 km (0.11 R)
• M29: 7,838,031 km (0.071 R)
• M30: 8,186,893 km (0.114 R)
• M31: 8,431,486 km (0.063 R)
• M32: 8,788,875 km (0.104 R)
• M33: 9,067,426 km (0.059 R)
• M34: 9,547,336 km (0.057 R)
• M35: 9,661,629 km (0.114 R)
• M36: 10,620,850 km (0.101 R)
• M37: 11,458,748 km (0.092 R)
• M38: 11,640,958 km (0.094 R)
• M39: 12,411,088 km (0.064 R)
• M40: 12,849,560 km (0.112 R)
• M41: 13,677,434 km (0.044 R)
• M42: 13,806,238 km (0.077 R)
• M43: 14,228,104 km (0.038 R)
• M44: 14,719,982 km (0.118 R)
• M45: 15,051,042 km (0.103 R)
• M46: 16,025,074 km (0.036 R)
• M47: 16,502,740 km (0.078 R)
• M48: 17,717,025 km (0.076 R)
• M49: 18,459,480 km (0.063 R)
• M50: 19,356,618 km (0.103 R)
• M51: 19,646,838 km (0.077 R)
• M52: 20,562,676 km (0.119 R)
• M53: 20,710,479 km (0.108 R)
• M54: 20,821,630 km (0.082 R)
• M55: 22,057,009 km (0.115 R)
• M56: 22,398,092 km (0.078 R)
• M57: 23,239,132 km (0.078 R)
• M58: 23,354,621 km (0.109 R)
• M59: 23,586,199 km (0.069 R)
• M60: 23,896,165 km (0.119 R)
• M61: 24,051,598 km (0.116 R)
• M62: 25,744,148 km (0.093 R)
• M63: 25,863,677 km (0.056 R)
• M64: 26,263,552 km (0.11 R)
• M65: 26,786,247 km (0.092 R)

Kuiper Belt

Range: 30.6 - 53.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit