🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 20.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,391,083 km

• M1: 56,249 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.2

Radius: 13.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.72 AU - 0.84 AU

Year: 452 Days

Day: 5.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,391,083 km

• M1: 173,085 km (0.083 R)
• M2: 612,603 km (0.069 R)
• M3: 1,084,734 km (0.112 R)
• M4: 1,653,804 km (0.104 R)
• M5: 2,104,094 km (0.069 R)
• M6: 2,877,665 km (0.105 R)
• M7: 3,505,377 km (0.099 R)
• M8: 4,006,829 km (0.051 R)
• M9: 4,597,442 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 11.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.75 AU - 2.13 AU

Year: 1773 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,391,083 km

• M1: 143,016 km (0.12 R)
• M2: 590,164 km (0.118 R)
• M3: 1,105,678 km (0.066 R)
• M4: 2,275,234 km (0.107 R)
• M5: 2,997,193 km (0.04 R)
• M6: 3,583,168 km (0.114 R)
• M7: 4,836,200 km (0.111 R)
• M8: 5,245,350 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.8

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.77 AU - 4.47 AU

Year: 4518 Days

Day: 8.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,391,083 km

• M1: 176,077 km (0.103 R)
• M2: 730,486 km (0.069 R)
• M3: 1,171,202 km (0.114 R)
• M4: 1,723,218 km (0.091 R)
• M5: 2,353,773 km (0.089 R)
• M6: 2,857,170 km (0.088 R)
• M7: 3,620,418 km (0.096 R)
• M8: 4,297,049 km (0.106 R)
• M9: 4,742,701 km (0.069 R)
• M10: 5,357,399 km (0.091 R)
• M11: 7,562,621 km (0.045 R)
• M12: 10,449,710 km (0.115 R)
• M13: 11,401,153 km (0.026 R)
• M14: 12,708,190 km (0.094 R)
• M15: 14,221,073 km (0.082 R)
• M16: 15,218,591 km (0.087 R)
• M17: 19,546,607 km (0.034 R)
• M18: 20,709,880 km (0.055 R)
• M19: 23,249,753 km (0.088 R)
• M20: 24,712,371 km (0.107 R)
• M21: 27,145,431 km (0.092 R)
• M22: 27,650,623 km (0.081 R)
• M23: 28,420,155 km (0.098 R)
• M24: 28,941,054 km (0.071 R)
• M25: 29,468,237 km (0.103 R)
• M26: 29,912,543 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.6

Radius: 14.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.33 AU - 5.53 AU

Year: 6117 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,391,083 km

• M1: 177,872 km (0.078 R)
• M2: 904,469 km (0.083 R)
• M3: 1,356,553 km (0.114 R)
• M4: 1,895,555 km (0.047 R)
• M5: 3,505,677 km (0.116 R)
• M6: 4,542,689 km (0.055 R)
• M7: 5,447,756 km (0.045 R)
• M8: 8,652,741 km (0.101 R)
• M9: 9,100,786 km (0.099 R)
• M10: 9,867,625 km (0.025 R)
• M11: 12,948,294 km (0.11 R)
• M12: 14,366,033 km (0.04 R)
• M13: 14,822,456 km (0.057 R)
• M14: 15,525,267 km (0.108 R)
• M15: 16,006,075 km (0.102 R)
• M16: 17,315,804 km (0.101 R)
• M17: 18,161,630 km (0.119 R)
• M18: 18,830,931 km (0.108 R)
• M19: 19,936,011 km (0.075 R)
• M20: 21,599,838 km (0.118 R)
• M21: 22,124,179 km (0.088 R)
• M22: 23,906,937 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 8.7

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.64 AU - 5.62 AU

Year: 6536 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,391,083 km

• M1: 108,159 km (0.109 R)
• M2: 449,093 km (0.097 R)
• M3: 753,225 km (0.115 R)
• M4: 1,168,359 km (0.076 R)
• M5: 1,704,219 km (0.085 R)
• M6: 2,194,900 km (0.101 R)
• M7: 2,682,739 km (0.076 R)
• M8: 4,725,647 km (0.103 R)
• M9: 6,277,426 km (0.1 R)
• M10: 6,792,192 km (0.085 R)
• M11: 8,103,118 km (0.12 R)
• M12: 9,137,438 km (0.098 R)
• M13: 10,634,464 km (0.104 R)
• M14: 10,971,957 km (0.103 R)
• M15: 11,416,262 km (0.104 R)
• M16: 12,131,340 km (0.038 R)
• M17: 14,456,091 km (0.107 R)
• M18: 16,543,729 km (0.111 R)
• M19: 18,133,356 km (0.038 R)
• M20: 23,590,986 km (0.074 R)
• M21: 30,727,702 km (0.061 R)
• M22: 31,118,152 km (0.117 R)
• M23: 32,008,708 km (0.11 R)
• M24: 33,222,546 km (0.117 R)
• M25: 34,048,775 km (0.118 R)
• M26: 34,888,467 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit