🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.1

Radius: 13.9

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.74 AU - 0.94 AU

Year: 513 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 168.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,191,817 km

• M1: 172,935 km (0.101 R)
• M2: 1,662,332 km (0.112 R)
• M3: 2,696,502 km (0.037 R)
• M4: 3,189,576 km (0.026 R)
• M5: 3,710,775 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 14.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.74 AU - 2.86 AU

Year: 2326 Days

Day: 9.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,191,817 km

• M1: 181,612 km (0.07 R)
• M2: 862,282 km (0.088 R)
• M3: 1,467,406 km (0.097 R)
• M4: 3,123,604 km (0.082 R)
• M5: 4,597,741 km (0.078 R)
• M6: 5,706,411 km (0.111 R)
• M7: 7,382,206 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 10.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.13 AU - 4.23 AU

Year: 5699 Days

Day: 6.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,191,817 km

• M1: 134,339 km (0.096 R)
• M2: 483,650 km (0.1 R)
• M3: 835,504 km (0.095 R)
• M4: 1,204,412 km (0.04 R)
• M5: 1,558,660 km (0.117 R)
• M6: 2,023,311 km (0.043 R)
• M7: 2,469,861 km (0.079 R)
• M8: 3,088,747 km (0.116 R)
• M9: 3,484,284 km (0.06 R)
• M10: 4,332,354 km (0.068 R)
• M11: 4,732,229 km (0.068 R)
• M12: 6,585,597 km (0.1 R)
• M13: 7,441,148 km (0.111 R)
• M14: 9,372,755 km (0.114 R)
• M15: 9,883,632 km (0.078 R)
• M16: 10,496,235 km (0.104 R)
• M17: 11,707,380 km (0.089 R)
• M18: 13,695,386 km (0.119 R)
• M19: 14,047,390 km (0.116 R)
• M20: 14,927,474 km (0.05 R)
• M21: 18,027,740 km (0.08 R)
• M22: 20,732,769 km (0.066 R)
• M23: 22,423,973 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.08 AU - 5.84 AU

Year: 7366 Days

Day: 5.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,191,817 km

• M1: 112,498 km (0.098 R)
• M2: 493,523 km (0.092 R)
• M3: 1,142,030 km (0.054 R)
• M4: 1,517,222 km (0.047 R)
• M5: 1,946,418 km (0.112 R)
• M6: 2,620,805 km (0.111 R)
• M7: 3,673,376 km (0.089 R)
• M8: 4,650,399 km (0.097 R)
• M9: 5,254,176 km (0.1 R)
• M10: 5,820,853 km (0.065 R)
• M11: 10,414,106 km (0.095 R)
• M12: 12,252,514 km (0.044 R)
• M13: 14,897,704 km (0.025 R)
• M14: 16,858,932 km (0.054 R)
• M15: 20,182,398 km (0.076 R)
• M16: 21,146,706 km (0.106 R)
• M17: 22,141,532 km (0.091 R)
• M18: 22,650,464 km (0.078 R)
• M19: 23,994,900 km (0.083 R)
• M20: 27,089,182 km (0.075 R)
• M21: 27,671,417 km (0.068 R)
• M22: 28,007,863 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892

Radius: 4.8

Gravity: 38.72 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.27 AU - 9.11 AU

Year: 14221 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,191,817 km

• M1: 59,839 km (0.116 R)
• M2: 373,247 km (0.107 R)
• M3: 763,847 km (0.12 R)
• M4: 1,248,993 km (0.101 R)
• M5: 1,973,196 km (0.05 R)
• M6: 2,457,893 km (0.04 R)
• M7: 3,249,116 km (0.09 R)
• M8: 3,547,115 km (0.071 R)
• M9: 3,775,102 km (0.039 R)
• M10: 4,820,642 km (0.099 R)
• M11: 7,557,684 km (0.106 R)
• M12: 8,032,209 km (0.1 R)
• M13: 8,425,801 km (0.074 R)
• M14: 9,849,673 km (0.065 R)
• M15: 13,504,200 km (0.061 R)
• M16: 13,850,070 km (0.05 R)
• M17: 16,595,789 km (0.061 R)
• M18: 17,640,731 km (0.11 R)
• M19: 20,218,152 km (0.057 R)
• M20: 21,222,852 km (0.067 R)
• M21: 23,331,284 km (0.092 R)
• M22: 28,070,993 km (0.111 R)
• M23: 31,322,204 km (0.099 R)
• M24: 31,806,302 km (0.111 R)
• M25: 33,792,513 km (0.078 R)
• M26: 35,335,316 km (0.12 R)
• M27: 46,367,262 km (0.043 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 17,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit