🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.5

Radius: 10.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.45 AU - 0.75 AU

Year: 321 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,841,554 km

• M1: 126,859 km (0.088 R)
• M2: 517,459 km (0.026 R)
• M3: 855,251 km (0.094 R)
• M4: 1,245,851 km (0.063 R)
• M5: 1,673,103 km (0.118 R)
• M6: 1,998,328 km (0.116 R)
• M7: 2,348,836 km (0.102 R)
• M8: 3,218,748 km (0.084 R)
• M9: 3,598,876 km (0.085 R)
• M10: 4,097,037 km (0.095 R)
• M11: 4,503,793 km (0.057 R)
• M12: 4,880,032 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.5

Radius: 9.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.5 AU - 3.54 AU

Year: 3623 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,841,554 km

• M1: 128,056 km (0.067 R)
• M2: 1,305,391 km (0.108 R)
• M3: 1,913,656 km (0.079 R)
• M4: 2,575,028 km (0.11 R)
• M5: 2,980,139 km (0.082 R)
• M6: 5,366,674 km (0.069 R)
• M7: 9,951,998 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 11.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.7 AU - 5.1 AU

Year: 6371 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 73.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,841,554 km

• M1: 150,196 km (0.086 R)
• M2: 565,330 km (0.107 R)
• M3: 1,316,760 km (0.086 R)
• M4: 2,003,714 km (0.092 R)
• M5: 2,638,757 km (0.081 R)
• M6: 3,404,100 km (0.032 R)
• M7: 4,162,561 km (0.053 R)
• M8: 6,436,299 km (0.056 R)
• M9: 8,807,275 km (0.11 R)
• M10: 9,309,326 km (0.107 R)
• M11: 11,709,474 km (0.11 R)
• M12: 12,317,141 km (0.044 R)
• M13: 13,431,196 km (0.079 R)
• M14: 15,737,247 km (0.079 R)
• M15: 16,984,145 km (0.12 R)
• M16: 21,417,329 km (0.078 R)
• M17: 22,249,991 km (0.111 R)
• M18: 27,001,518 km (0.078 R)
• M19: 28,422,548 km (0.094 R)
• M20: 28,968,132 km (0.092 R)
• M21: 30,646,769 km (0.119 R)

Asteroid Belt

Center: 5.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.2

Radius: 7.7

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.1 AU - 8.4 AU

Year: 12105 Days

Day: 24.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,841,554 km

• M1: 95,743 km (0.077 R)
• M2: 336,894 km (0.092 R)
• M3: 699,370 km (0.112 R)
• M4: 1,102,387 km (0.112 R)
• M5: 4,567,373 km (0.113 R)
• M6: 5,123,577 km (0.11 R)
• M7: 6,910,225 km (0.104 R)
• M8: 7,775,798 km (0.093 R)
• M9: 8,426,998 km (0.119 R)
• M10: 9,300,649 km (0.105 R)
• M11: 11,924,596 km (0.102 R)
• M12: 13,118,836 km (0.067 R)
• M13: 14,040,658 km (0.088 R)
• M14: 14,849,833 km (0.117 R)
• M15: 15,689,675 km (0.1 R)
• M16: 17,752,779 km (0.1 R)
• M17: 20,948,489 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 843.5

Radius: 4.8

Gravity: 36.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.3 AU - 7.44 AU

Year: 12429 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,841,554 km

• M1: 61,335 km (0.043 R)
• M2: 316,699 km (0.12 R)
• M3: 506,389 km (0.076 R)
• M4: 1,031,926 km (0.117 R)
• M5: 1,280,259 km (0.114 R)
• M6: 1,726,659 km (0.057 R)
• M7: 3,065,111 km (0.106 R)
• M8: 3,341,119 km (0.066 R)
• M9: 3,744,136 km (0.049 R)
• M10: 5,113,854 km (0.052 R)
• M11: 7,655,671 km (0.099 R)
• M12: 7,976,558 km (0.094 R)
• M13: 8,993,375 km (0.1 R)
• M14: 9,823,793 km (0.101 R)
• M15: 11,105,548 km (0.11 R)
• M16: 11,339,369 km (0.047 R)
• M17: 14,824,999 km (0.093 R)
• M18: 15,037,279 km (0.069 R)
• M19: 15,251,653 km (0.109 R)
• M20: 15,467,971 km (0.026 R)
• M21: 18,226,257 km (0.097 R)
• M22: 19,130,277 km (0.117 R)
• M23: 25,392,144 km (0.11 R)
• M24: 27,252,543 km (0.114 R)
• M25: 28,433,170 km (0.039 R)
• M26: 29,535,706 km (0.09 R)
• M27: 31,708,316 km (0.104 R)
• M28: 34,478,120 km (0.111 R)
• M29: 37,798,445 km (0.116 R)
• M30: 41,186,239 km (0.118 R)
• M31: 42,738,915 km (0.068 R)
• M32: 43,457,433 km (0.065 R)
• M33: 47,784,253 km (0.12 R)
• M34: 50,290,017 km (0.046 R)
• M35: 50,609,259 km (0.1 R)
• M36: 54,546,525 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.7

Radius: 5.3

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.84 AU - 8.68 AU

Year: 14921 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,841,554 km

• M1: 66,571 km (0.115 R)
• M2: 262,993 km (0.113 R)
• M3: 452,234 km (0.12 R)
• M4: 1,109,268 km (0.08 R)
• M5: 1,328,279 km (0.114 R)
• M6: 1,739,225 km (0.095 R)
• M7: 3,461,994 km (0.111 R)
• M8: 3,933,078 km (0.116 R)
• M9: 10,165,475 km (0.11 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 15,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit