🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.6

Radius: 12.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.78 AU - 0.78 AU

Year: 452 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,575,595 km

• M1: 154,235 km (0.048 R)
• M2: 558,449 km (0.118 R)
• M3: 999,015 km (0.08 R)
• M4: 1,391,111 km (0.062 R)
• M5: 1,833,322 km (0.084 R)
• M6: 2,240,378 km (0.063 R)
• M7: 2,772,497 km (0.101 R)
• M8: 3,169,979 km (0.085 R)
• M9: 3,902,859 km (0.079 R)
• M10: 4,291,065 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 14.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 0.99 AU

Year: 487 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,575,595 km

• M1: 185,352 km (0.082 R)
• M2: 666,010 km (0.071 R)
• M3: 1,234,182 km (0.067 R)
• M4: 1,752,988 km (0.119 R)
• M5: 2,530,747 km (0.115 R)
• M6: 3,602,766 km (0.115 R)
• M7: 4,270,720 km (0.087 R)
• M8: 4,766,188 km (0.111 R)
• M9: 5,476,180 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.5

Radius: 13.8

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.38 AU - 2.04 AU

Year: 1467 Days

Day: 12.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,575,595 km

• M1: 171,738 km (0.109 R)
• M2: 602,431 km (0.081 R)
• M3: 1,033,422 km (0.08 R)
• M4: 1,694,046 km (0.105 R)
• M5: 2,162,288 km (0.075 R)
• M6: 2,988,517 km (0.104 R)
• M7: 3,429,382 km (0.117 R)
• M8: 4,407,752 km (0.094 R)
• M9: 4,923,116 km (0.106 R)
• M10: 6,053,328 km (0.039 R)
• M11: 6,546,403 km (0.113 R)
• M12: 8,077,836 km (0.116 R)
• M13: 9,804,944 km (0.102 R)
• M14: 10,454,049 km (0.074 R)
• M15: 11,983,687 km (0.059 R)
• M16: 12,688,592 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.6

Radius: 14.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.22 AU - 3.88 AU

Year: 4388 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,575,595 km

• M1: 182,360 km (0.106 R)
• M2: 749,635 km (0.084 R)
• M3: 1,486,105 km (0.118 R)
• M4: 2,461,932 km (0.038 R)
• M5: 3,247,770 km (0.112 R)
• M6: 4,760,803 km (0.071 R)
• M7: 5,777,320 km (0.098 R)
• M8: 6,290,740 km (0.093 R)
• M9: 6,867,589 km (0.094 R)
• M10: 7,340,468 km (0.046 R)
• M11: 8,813,259 km (0.082 R)
• M12: 9,413,895 km (0.092 R)
• M13: 10,343,945 km (0.039 R)
• M14: 12,486,186 km (0.106 R)
• M15: 14,249,646 km (0.059 R)
• M16: 15,022,169 km (0.054 R)
• M17: 21,163,312 km (0.118 R)
• M18: 22,684,273 km (0.12 R)
• M19: 23,967,972 km (0.106 R)
• M20: 25,061,084 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.2

Radius: 9.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.06 AU - 4.32 AU

Year: 4650 Days

Day: 8.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,575,595 km

• M1: 121,174 km (0.102 R)
• M2: 753,824 km (0.096 R)
• M3: 1,782,459 km (0.11 R)
• M4: 3,447,633 km (0.093 R)
• M5: 4,751,976 km (0.079 R)
• M6: 6,085,791 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.8

Radius: 4.3

Gravity: 37.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.68 AU - 6.9 AU

Year: 10349 Days

Day: 18.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,575,595 km

• M1: 53,406 km (0.077 R)
• M2: 203,154 km (0.069 R)
• M3: 464,053 km (0.101 R)
• M4: 784,042 km (0.116 R)
• M5: 936,183 km (0.087 R)
• M6: 1,646,624 km (0.11 R)
• M7: 2,121,747 km (0.083 R)
• M8: 3,715,562 km (0.101 R)
• M9: 3,928,290 km (0.089 R)
• M10: 4,706,947 km (0.115 R)
• M11: 5,084,084 km (0.104 R)
• M12: 5,481,116 km (0.119 R)
• M13: 8,858,288 km (0.097 R)
• M14: 12,738,857 km (0.09 R)
• M15: 15,281,722 km (0.119 R)
• M16: 23,343,401 km (0.119 R)
• M17: 24,435,017 km (0.073 R)
• M18: 24,713,119 km (0.106 R)
• M19: 28,728,476 km (0.08 R)
• M20: 29,350,354 km (0.11 R)
• M21: 33,727,139 km (0.119 R)
• M22: 36,190,118 km (0.088 R)
• M23: 37,526,925 km (0.054 R)
• M24: 40,946,882 km (0.112 R)
• M25: 44,156,355 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.3

Radius: 7.3

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.82 AU - 11.08 AU

Year: 19057 Days

Day: 23.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,575,595 km

• M1: 90,956 km (0.111 R)
• M2: 722,259 km (0.039 R)
• M3: 1,712,596 km (0.088 R)
• M4: 3,136,918 km (0.063 R)
• M5: 3,731,270 km (0.088 R)
• M6: 3,976,611 km (0.111 R)
• M7: 4,813,910 km (0.12 R)
• M8: 5,485,904 km (0.045 R)
• M9: 6,050,635 km (0.09 R)
• M10: 6,564,803 km (0.113 R)
• M11: 8,863,225 km (0.09 R)
• M12: 9,583,090 km (0.115 R)
• M13: 9,812,274 km (0.088 R)
• M14: 13,489,689 km (0.084 R)
• M15: 14,895,161 km (0.06 R)
• M16: 18,255,578 km (0.027 R)
• M17: 18,608,330 km (0.118 R)
• M18: 32,063,461 km (0.099 R)
• M19: 32,448,227 km (0.03 R)
• M20: 34,417,982 km (0.09 R)
• M21: 38,884,077 km (0.093 R)
• M22: 41,558,588 km (0.097 R)
• M23: 61,003,618 km (0.114 R)
• M24: 65,836,826 km (0.113 R)
• M25: 68,346,480 km (0.112 R)
• M26: 73,333,624 km (0.064 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 18,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit