🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.1

Radius: 14.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.88 AU - 1.18 AU

Year: 697 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,200,652 km

• M1: 184,155 km (0.061 R)
• M2: 659,427 km (0.083 R)
• M3: 1,143,676 km (0.082 R)
• M4: 1,636,750 km (0.093 R)
• M5: 2,604,200 km (0.077 R)
• M6: 3,309,105 km (0.077 R)
• M7: 3,956,714 km (0.12 R)
• M8: 4,456,371 km (0.079 R)
• M9: 5,396,294 km (0.109 R)
• M10: 6,381,097 km (0.047 R)
• M11: 8,054,798 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 8.7

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.94 AU - 1.48 AU

Year: 888 Days

Day: 8.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,200,652 km

• M1: 109,954 km (0.098 R)
• M2: 392,844 km (0.111 R)
• M3: 1,007,841 km (0.094 R)
• M4: 1,340,696 km (0.104 R)
• M5: 1,676,693 km (0.102 R)
• M6: 2,058,766 km (0.115 R)
• M7: 2,330,585 km (0.091 R)
• M8: 2,808,550 km (0.096 R)
• M9: 3,117,919 km (0.098 R)
• M10: 3,898,371 km (0.114 R)
• M11: 4,368,258 km (0.078 R)
• M12: 4,749,583 km (0.108 R)
• M13: 5,986,608 km (0.088 R)
• M14: 8,674,283 km (0.063 R)
• M15: 9,390,857 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474

Radius: 10.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.06 AU - 3.2 AU

Year: 2844 Days

Day: 8.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,200,652 km

• M1: 138,976 km (0.102 R)
• M2: 536,907 km (0.116 R)
• M3: 940,522 km (0.107 R)
• M4: 1,893,311 km (0.083 R)
• M5: 2,648,481 km (0.097 R)
• M6: 3,228,172 km (0.116 R)
• M7: 3,758,647 km (0.062 R)
• M8: 4,949,745 km (0.054 R)
• M9: 5,295,316 km (0.093 R)
• M10: 6,457,242 km (0.108 R)
• M11: 7,390,434 km (0.086 R)
• M12: 9,452,940 km (0.077 R)
• M13: 10,132,862 km (0.107 R)
• M14: 10,466,166 km (0.104 R)
• M15: 11,711,120 km (0.104 R)
• M16: 12,622,620 km (0.068 R)
• M17: 13,580,794 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.2

Radius: 13

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.31 AU - 3.75 AU

Year: 4423 Days

Day: 11.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,200,652 km

• M1: 161,715 km (0.082 R)
• M2: 569,818 km (0.107 R)
• M3: 1,020,557 km (0.055 R)
• M4: 1,562,251 km (0.112 R)
• M5: 2,232,748 km (0.111 R)
• M6: 3,855,436 km (0.11 R)
• M7: 4,566,924 km (0.106 R)
• M8: 5,008,088 km (0.083 R)
• M9: 6,473,848 km (0.115 R)
• M10: 7,168,580 km (0.109 R)
• M11: 9,225,252 km (0.108 R)
• M12: 10,678,446 km (0.09 R)
• M13: 13,397,237 km (0.106 R)
• M14: 14,416,448 km (0.12 R)
• M15: 14,860,604 km (0.115 R)
• M16: 15,314,035 km (0.109 R)
• M17: 16,669,392 km (0.06 R)
• M18: 23,426,877 km (0.075 R)
• M19: 24,197,156 km (0.034 R)
• M20: 26,114,851 km (0.107 R)
• M21: 28,304,516 km (0.074 R)
• M22: 28,914,426 km (0.063 R)
• M23: 30,250,933 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.5

Radius: 14.7

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.75 AU - 4.85 AU

Year: 5946 Days

Day: 10.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,200,652 km

• M1: 191,336 km (0.05 R)
• M2: 673,490 km (0.115 R)
• M3: 1,266,047 km (0.112 R)
• M4: 2,097,811 km (0.051 R)
• M5: 3,126,147 km (0.111 R)
• M6: 4,234,517 km (0.093 R)
• M7: 5,468,101 km (0.03 R)
• M8: 7,110,836 km (0.049 R)
• M9: 11,351,038 km (0.047 R)
• M10: 13,714,086 km (0.114 R)
• M11: 15,255,692 km (0.113 R)
• M12: 16,453,522 km (0.082 R)
• M13: 17,308,474 km (0.084 R)
• M14: 17,849,270 km (0.096 R)
• M15: 18,752,093 km (0.111 R)
• M16: 19,394,766 km (0.059 R)
• M17: 21,180,815 km (0.072 R)
• M18: 26,835,016 km (0.076 R)
• M19: 27,560,266 km (0.043 R)
• M20: 28,205,482 km (0.097 R)
• M21: 28,672,526 km (0.092 R)
• M22: 32,494,752 km (0.114 R)
• M23: 34,794,370 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.8

Radius: 4.3

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.78 AU - 8.9 AU

Year: 13261 Days

Day: 17.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,200,652 km

• M1: 54,902 km (0.091 R)
• M2: 190,737 km (0.046 R)
• M3: 611,556 km (0.09 R)
• M4: 1,183,319 km (0.103 R)
• M5: 3,903,008 km (0.115 R)
• M6: 4,876,741 km (0.067 R)
• M7: 6,333,675 km (0.06 R)
• M8: 9,529,235 km (0.111 R)
• M9: 15,000,029 km (0.116 R)
• M10: 25,279,347 km (0.11 R)
• M11: 25,794,712 km (0.049 R)
• M12: 30,655,296 km (0.109 R)
• M13: 32,738,896 km (0.045 R)
• M14: 35,446,916 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 15,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit