🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.95 AU - 1.47 AU

Year: 512 Days

Day: 25.7 Hours

Environment

Temp: -37 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,139,973 km

• M1: 34,258 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.83 AU - 2.55 AU

Year: 1248 Days

Day: 24.4 Hours

Environment

Temp: -102 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.15 AU - 2.99 AU

Year: 1586 Days

Day: 17.6 Hours

Environment

Temp: -104 °C

Axial Tilt: 26.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,139,973 km

• M1: 31,266 km (0.091 R)
• M2: 773,421 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.05 AU - 3.39 AU

Year: 1727 Days

Day: 29.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 8.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,139,973 km

• M1: 273,764 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.51 AU - 3.93 AU

Year: 2762 Days

Day: 25.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,139,973 km

• M1: 2,442,784 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 13.3

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.18 AU - 4.88 AU

Year: 3115 Days

Day: 7.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,139,973 km

• M1: 169,345 km (0.092 R)
• M2: 602,431 km (0.119 R)
• M3: 2,027,500 km (0.082 R)
• M4: 2,694,706 km (0.104 R)
• M5: 3,260,635 km (0.096 R)
• M6: 5,219,021 km (0.114 R)
• M7: 5,880,842 km (0.102 R)
• M8: 6,900,950 km (0.107 R)
• M9: 8,381,819 km (0.114 R)
• M10: 9,595,955 km (0.113 R)
• M11: 10,632,519 km (0.044 R)
• M12: 13,794,868 km (0.083 R)
• M13: 14,292,730 km (0.066 R)
• M14: 15,430,721 km (0.052 R)
• M15: 15,967,628 km (0.117 R)
• M16: 16,908,748 km (0.103 R)
• M17: 19,641,452 km (0.089 R)
• M18: 20,786,774 km (0.068 R)
• M19: 23,140,696 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 12.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.44 AU - 6.34 AU

Year: 5504 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,139,973 km

• M1: 160,818 km (0.085 R)
• M2: 568,921 km (0.053 R)
• M3: 1,480,570 km (0.116 R)
• M4: 1,955,543 km (0.109 R)
• M5: 2,779,678 km (0.068 R)
• M6: 3,344,859 km (0.107 R)
• M7: 5,254,924 km (0.085 R)
• M8: 5,723,166 km (0.118 R)
• M9: 6,412,513 km (0.103 R)
• M10: 8,419,069 km (0.09 R)
• M11: 11,526,815 km (0.101 R)
• M12: 12,679,317 km (0.086 R)
• M13: 13,310,321 km (0.075 R)
• M14: 14,521,765 km (0.105 R)
• M15: 15,212,907 km (0.093 R)
• M16: 16,413,280 km (0.116 R)
• M17: 16,910,842 km (0.111 R)
• M18: 18,001,561 km (0.076 R)
• M19: 21,041,988 km (0.032 R)
• M20: 21,481,656 km (0.108 R)
• M21: 21,927,308 km (0.07 R)
• M22: 23,068,740 km (0.11 R)
• M23: 24,329,551 km (0.101 R)
• M24: 27,333,476 km (0.102 R)
• M25: 30,297,010 km (0.089 R)
• M26: 30,763,905 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 14

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.09 AU - 7.99 AU

Year: 7192 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,139,973 km

• M1: 174,132 km (0.03 R)
• M2: 1,133,353 km (0.079 R)
• M3: 2,739,885 km (0.075 R)
• M4: 3,306,113 km (0.036 R)
• M5: 4,069,212 km (0.08 R)
• M6: 4,597,442 km (0.064 R)
• M7: 5,058,353 km (0.12 R)
• M8: 6,732,802 km (0.085 R)
• M9: 7,221,987 km (0.115 R)
• M10: 8,000,195 km (0.088 R)
• M11: 8,589,910 km (0.095 R)
• M12: 12,342,423 km (0.089 R)
• M13: 15,102,653 km (0.12 R)
• M14: 16,438,712 km (0.079 R)
• M15: 16,880,025 km (0.052 R)
• M16: 17,984,806 km (0.071 R)
• M17: 18,588,882 km (0.034 R)
• M18: 19,485,272 km (0.076 R)
• M19: 20,627,901 km (0.063 R)
• M20: 22,118,494 km (0.101 R)
• M21: 23,046,749 km (0.118 R)
• M22: 24,898,172 km (0.115 R)
• M23: 26,414,945 km (0.074 R)
• M24: 28,895,577 km (0.069 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 14.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.25 AU - 9.79 AU

Year: 8744 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,139,973 km

• M1: 176,675 km (0.07 R)
• M2: 823,237 km (0.086 R)
• M3: 1,915,900 km (0.053 R)
• M4: 3,937,117 km (0.069 R)
• M5: 7,156,762 km (0.077 R)
• M6: 9,390,408 km (0.103 R)
• M7: 13,348,468 km (0.105 R)
• M8: 20,009,164 km (0.096 R)
• M9: 20,818,488 km (0.095 R)
• M10: 22,244,455 km (0.058 R)
• M11: 23,734,749 km (0.055 R)
• M12: 27,899,853 km (0.113 R)
• M13: 30,684,019 km (0.069 R)
• M14: 31,326,991 km (0.102 R)
• M15: 32,529,159 km (0.09 R)
• M16: 39,760,421 km (0.068 R)
• M17: 40,525,016 km (0.096 R)
• M18: 42,214,874 km (0.113 R)
• M19: 43,816,169 km (0.067 R)
• M20: 45,735,211 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit