🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 11.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.57 AU - 0.83 AU

Year: 378 Days

Day: 9.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 97,454,131 km

• M1: 144,362 km (0.034 R)
• M2: 522,396 km (0.065 R)
• M3: 929,152 km (0.112 R)
• M4: 1,415,046 km (0.054 R)
• M5: 1,983,817 km (0.117 R)
• M6: 2,490,655 km (0.103 R)
• M7: 3,511,062 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 8

Gravity: 14.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.09 AU - 1.59 AU

Year: 1002 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 97,454,131 km

• M1: 99,782 km (0.103 R)
• M2: 968,347 km (0.076 R)
• M3: 1,298,061 km (0.029 R)
• M4: 1,576,163 km (0.114 R)
• M5: 1,854,714 km (0.102 R)
• M6: 2,699,494 km (0.117 R)
• M7: 3,018,137 km (0.119 R)
• M8: 3,605,159 km (0.093 R)
• M9: 4,093,596 km (0.106 R)
• M10: 4,461,308 km (0.04 R)
• M11: 5,571,324 km (0.118 R)
• M12: 6,476,690 km (0.083 R)
• M13: 7,124,449 km (0.059 R)
• M14: 7,476,902 km (0.118 R)
• M15: 8,689,243 km (0.114 R)
• M16: 9,536,864 km (0.087 R)
• M17: 9,872,412 km (0.112 R)
• M18: 10,374,612 km (0.051 R)
• M19: 10,631,921 km (0.088 R)
• M20: 11,193,062 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.7

Radius: 9.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.75 AU - 4.33 AU

Year: 5243 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 97,454,131 km

• M1: 125,363 km (0.113 R)
• M2: 569,968 km (0.106 R)
• M3: 907,461 km (0.078 R)
• M4: 1,590,674 km (0.044 R)
• M5: 2,458,791 km (0.082 R)
• M6: 2,962,487 km (0.101 R)
• M7: 3,719,153 km (0.074 R)
• M8: 4,064,873 km (0.1 R)
• M9: 4,479,409 km (0.052 R)
• M10: 5,393,901 km (0.104 R)
• M11: 6,397,553 km (0.101 R)
• M12: 7,589,250 km (0.074 R)
• M13: 8,511,221 km (0.085 R)
• M14: 8,961,212 km (0.107 R)
• M15: 9,990,595 km (0.091 R)
• M16: 10,364,739 km (0.083 R)
• M17: 10,834,775 km (0.119 R)
• M18: 11,817,484 km (0.063 R)
• M19: 13,351,460 km (0.118 R)
• M20: 14,011,037 km (0.104 R)
• M21: 14,960,086 km (0.076 R)
• M22: 16,120,667 km (0.115 R)
• M23: 17,519,407 km (0.103 R)
• M24: 18,433,749 km (0.091 R)
• M25: 18,871,173 km (0.046 R)
• M26: 21,573,958 km (0.112 R)
• M27: 22,340,796 km (0.113 R)
• M28: 24,374,729 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.9

Radius: 9

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.5 AU - 5.46 AU

Year: 6123 Days

Day: 7.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,454,131 km

• M1: 112,049 km (0.062 R)
• M2: 450,888 km (0.101 R)
• M3: 814,261 km (0.119 R)
• M4: 1,186,910 km (0.109 R)
• M5: 1,468,602 km (0.119 R)
• M6: 2,123,392 km (0.054 R)
• M7: 2,843,108 km (0.11 R)
• M8: 3,763,434 km (0.062 R)
• M9: 4,279,696 km (0.082 R)
• M10: 4,595,497 km (0.112 R)
• M11: 5,244,453 km (0.088 R)
• M12: 6,280,717 km (0.054 R)
• M13: 7,079,869 km (0.098 R)
• M14: 10,771,495 km (0.114 R)
• M15: 15,641,505 km (0.109 R)
• M16: 17,367,864 km (0.119 R)
• M17: 18,174,496 km (0.096 R)
• M18: 21,652,497 km (0.063 R)
• M19: 25,379,279 km (0.088 R)
• M20: 28,027,610 km (0.108 R)
• M21: 29,607,363 km (0.101 R)
• M22: 30,854,860 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.5

Radius: 4.5

Gravity: 49.06 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.59 AU - 13.73 AU

Year: 24072 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 97,454,131 km

• M1: 55,950 km (0.118 R)
• M2: 378,183 km (0.091 R)
• M3: 526,136 km (0.074 R)
• M4: 682,765 km (0.09 R)
• M5: 1,288,038 km (0.075 R)
• M6: 1,523,654 km (0.106 R)
• M7: 2,633,521 km (0.067 R)
• M8: 3,461,545 km (0.032 R)
• M9: 4,450,387 km (0.06 R)
• M10: 4,638,132 km (0.081 R)
• M11: 5,745,157 km (0.052 R)
• M12: 8,755,066 km (0.054 R)
• M13: 11,236,446 km (0.113 R)
• M14: 14,149,715 km (0.103 R)
• M15: 14,887,083 km (0.112 R)
• M16: 15,477,994 km (0.111 R)
• M17: 16,527,124 km (0.117 R)
• M18: 19,256,836 km (0.075 R)
• M19: 22,163,523 km (0.118 R)
• M20: 23,720,837 km (0.056 R)
• M21: 26,191,446 km (0.119 R)
• M22: 27,300,863 km (0.046 R)
• M23: 33,894,838 km (0.109 R)
• M24: 36,409,579 km (0.059 R)
• M25: 44,348,438 km (0.096 R)
• M26: 45,569,007 km (0.071 R)
• M27: 48,442,633 km (0.08 R)
• M28: 49,550,704 km (0.042 R)
• M29: 55,948,556 km (0.069 R)
• M30: 58,197,611 km (0.096 R)
• M31: 63,093,500 km (0.072 R)
• M32: 78,146,487 km (0.063 R)
• M33: 87,581,026 km (0.068 R)
• M34: 87,853,444 km (0.053 R)
• M35: 93,136,642 km (0.105 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 13,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit