🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 11.2

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.64 AU - 0.84 AU

Year: 439 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,465,182 km

• M1: 139,276 km (0.036 R)
• M2: 497,263 km (0.11 R)
• M3: 914,641 km (0.09 R)
• M4: 1,322,894 km (0.091 R)
• M5: 1,708,707 km (0.107 R)
• M6: 2,144,037 km (0.111 R)
• M7: 2,915,812 km (0.115 R)
• M8: 3,720,499 km (0.119 R)
• M9: 4,147,751 km (0.112 R)
• M10: 4,592,804 km (0.068 R)
• M11: 5,117,444 km (0.045 R)
• M12: 6,104,640 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.7

Radius: 12.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.64 AU - 0.88 AU

Year: 457 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,465,182 km

• M1: 154,535 km (0.099 R)
• M2: 596,447 km (0.086 R)
• M3: 1,116,898 km (0.106 R)
• M4: 1,593,965 km (0.044 R)
• M5: 2,101,551 km (0.091 R)
• M6: 2,677,951 km (0.091 R)
• M7: 3,302,971 km (0.087 R)
• M8: 3,764,182 km (0.106 R)
• M9: 4,441,860 km (0.12 R)
• M10: 4,889,457 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.3

Radius: 9.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.89 AU - 4.17 AU

Year: 5584 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 168 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,465,182 km

• M1: 120,725 km (0.113 R)
• M2: 785,838 km (0.054 R)
• M3: 1,347,428 km (0.07 R)
• M4: 2,365,591 km (0.086 R)
• M5: 5,688,459 km (0.038 R)
• M6: 6,322,455 km (0.069 R)
• M7: 7,904,003 km (0.029 R)
• M8: 8,619,829 km (0.104 R)
• M9: 10,057,315 km (0.075 R)
• M10: 13,351,311 km (0.109 R)
• M11: 14,210,601 km (0.106 R)
• M12: 23,966,177 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.7

Radius: 14.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.62 AU - 5.76 AU

Year: 7011 Days

Day: 10.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,465,182 km

• M1: 184,005 km (0.119 R)
• M2: 746,793 km (0.112 R)
• M3: 1,237,623 km (0.103 R)
• M4: 2,709,517 km (0.105 R)
• M5: 6,291,638 km (0.065 R)
• M6: 7,665,993 km (0.038 R)
• M7: 9,035,562 km (0.094 R)
• M8: 9,758,419 km (0.108 R)
• M9: 10,390,021 km (0.092 R)
• M10: 10,959,241 km (0.071 R)
• M11: 11,503,179 km (0.11 R)
• M12: 12,842,977 km (0.069 R)
• M13: 13,550,725 km (0.118 R)
• M14: 15,044,459 km (0.036 R)
• M15: 16,176,915 km (0.057 R)
• M16: 16,823,627 km (0.034 R)
• M17: 19,783,421 km (0.083 R)
• M18: 22,708,358 km (0.087 R)
• M19: 23,222,377 km (0.052 R)
• M20: 23,744,324 km (0.117 R)
• M21: 26,070,271 km (0.064 R)
• M22: 27,953,709 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.9

Radius: 14.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.1 AU - 5.46 AU

Year: 7214 Days

Day: 9 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,465,182 km

• M1: 177,872 km (0.11 R)
• M2: 667,057 km (0.117 R)
• M3: 2,013,737 km (0.066 R)
• M4: 3,794,400 km (0.086 R)
• M5: 4,882,127 km (0.11 R)
• M6: 6,053,328 km (0.116 R)
• M7: 7,112,780 km (0.052 R)
• M8: 8,081,576 km (0.087 R)
• M9: 9,599,097 km (0.116 R)
• M10: 10,995,743 km (0.107 R)
• M11: 12,014,803 km (0.058 R)
• M12: 13,339,343 km (0.117 R)
• M13: 14,241,119 km (0.033 R)
• M14: 17,958,028 km (0.113 R)
• M15: 19,751,257 km (0.082 R)
• M16: 21,661,173 km (0.078 R)
• M17: 23,547,453 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.4

Radius: 5.3

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6.35 AU - 8.17 AU

Year: 13503 Days

Day: 17.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,465,182 km

• M1: 66,421 km (0.098 R)
• M2: 235,467 km (0.054 R)
• M3: 409,599 km (0.116 R)
• M4: 951,293 km (0.113 R)
• M5: 1,263,504 km (0.099 R)
• M6: 1,551,330 km (0.088 R)
• M7: 1,967,511 km (0.074 R)
• M8: 2,239,630 km (0.067 R)
• M9: 2,536,581 km (0.11 R)
• M10: 2,705,477 km (0.106 R)
• M11: 3,113,281 km (0.089 R)
• M12: 4,194,126 km (0.059 R)
• M13: 4,835,302 km (0.096 R)
• M14: 8,615,341 km (0.11 R)
• M15: 11,949,579 km (0.105 R)
• M16: 12,366,209 km (0.111 R)
• M17: 12,608,557 km (0.083 R)
• M18: 15,140,501 km (0.085 R)
• M19: 19,914,169 km (0.088 R)
• M20: 22,774,481 km (0.1 R)
• M21: 27,508,954 km (0.09 R)
• M22: 38,735,077 km (0.111 R)
• M23: 41,919,119 km (0.071 R)
• M24: 47,754,483 km (0.116 R)
• M25: 51,565,788 km (0.059 R)
• M26: 53,465,232 km (0.104 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 12,759 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit