🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 8.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.68 AU - 1.04 AU

Year: 523 Days

Day: 10.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,179,501 km

• M1: 109,506 km (0.115 R)
• M2: 431,739 km (0.111 R)
• M3: 802,293 km (0.119 R)
• M4: 1,126,472 km (0.094 R)
• M5: 1,451,099 km (0.112 R)
• M6: 1,984,565 km (0.109 R)
• M7: 2,301,563 km (0.09 R)
• M8: 3,126,296 km (0.077 R)
• M9: 3,420,256 km (0.066 R)
• M10: 3,721,845 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.5

Radius: 12.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.97 AU - 0.97 AU

Year: 627 Days

Day: 14 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,179,501 km

• M1: 159,172 km (0.071 R)
• M2: 613,052 km (0.076 R)
• M3: 1,234,930 km (0.094 R)
• M4: 1,667,867 km (0.104 R)
• M5: 2,213,001 km (0.098 R)
• M6: 2,655,213 km (0.113 R)
• M7: 3,292,051 km (0.099 R)
• M8: 4,000,247 km (0.046 R)
• M9: 4,647,557 km (0.064 R)
• M10: 5,757,872 km (0.117 R)
• M11: 7,315,336 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 12.1

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.6 AU - 1.82 AU

Year: 1467 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,179,501 km

• M1: 150,495 km (0.093 R)
• M2: 558,748 km (0.047 R)
• M3: 1,104,331 km (0.087 R)
• M4: 1,652,458 km (0.089 R)
• M5: 2,085,095 km (0.109 R)
• M6: 2,516,386 km (0.083 R)
• M7: 2,935,260 km (0.079 R)
• M8: 3,916,023 km (0.096 R)
• M9: 5,166,662 km (0.085 R)
• M10: 5,556,215 km (0.097 R)
• M11: 6,177,644 km (0.117 R)
• M12: 6,717,842 km (0.081 R)
• M13: 8,529,921 km (0.064 R)
• M14: 11,681,799 km (0.111 R)
• M15: 12,509,524 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.8

Radius: 10.8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.91 AU - 2.99 AU

Year: 2516 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,179,501 km

• M1: 135,087 km (0.074 R)
• M2: 695,929 km (0.094 R)
• M3: 1,310,777 km (0.091 R)
• M4: 2,010,895 km (0.054 R)
• M5: 2,750,357 km (0.09 R)
• M6: 3,491,465 km (0.072 R)
• M7: 4,252,768 km (0.109 R)
• M8: 5,546,341 km (0.032 R)
• M9: 6,297,921 km (0.068 R)
• M10: 7,678,709 km (0.115 R)
• M11: 10,825,500 km (0.113 R)
• M12: 11,570,199 km (0.108 R)
• M13: 13,487,295 km (0.11 R)
• M14: 16,343,567 km (0.089 R)
• M15: 19,102,302 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 8.5

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.91 AU - 3.85 AU

Year: 4076 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,179,501 km

• M1: 107,710 km (0.102 R)
• M2: 394,639 km (0.087 R)
• M3: 972,835 km (0.037 R)
• M4: 1,246,898 km (0.084 R)
• M5: 1,621,043 km (0.108 R)
• M6: 2,276,580 km (0.027 R)
• M7: 2,547,652 km (0.103 R)
• M8: 3,060,473 km (0.117 R)
• M9: 3,619,371 km (0.044 R)
• M10: 3,968,383 km (0.101 R)
• M11: 4,363,620 km (0.091 R)
• M12: 4,887,961 km (0.089 R)
• M13: 5,260,460 km (0.03 R)
• M14: 6,619,706 km (0.086 R)
• M15: 7,176,808 km (0.101 R)
• M16: 9,076,252 km (0.1 R)
• M17: 9,805,392 km (0.119 R)
• M18: 10,355,913 km (0.107 R)
• M19: 10,882,198 km (0.099 R)
• M20: 11,940,752 km (0.114 R)
• M21: 12,519,547 km (0.064 R)
• M22: 15,470,813 km (0.031 R)
• M23: 19,115,466 km (0.114 R)
• M24: 20,721,100 km (0.093 R)
• M25: 22,778,819 km (0.097 R)
• M26: 25,915,138 km (0.1 R)
• M27: 28,299,878 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 9.2

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.63 AU - 3.81 AU

Year: 4707 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,179,501 km

• M1: 114,442 km (0.097 R)
• M2: 475,572 km (0.068 R)
• M3: 1,206,058 km (0.061 R)
• M4: 1,799,363 km (0.105 R)
• M5: 2,254,141 km (0.027 R)
• M6: 2,748,711 km (0.081 R)
• M7: 4,779,203 km (0.096 R)
• M8: 5,204,660 km (0.099 R)
• M9: 5,713,442 km (0.118 R)
• M10: 6,162,235 km (0.069 R)
• M11: 6,602,352 km (0.102 R)
• M12: 9,865,232 km (0.048 R)
• M13: 10,556,374 km (0.092 R)
• M14: 11,279,231 km (0.101 R)
• M15: 12,673,333 km (0.051 R)
• M16: 14,614,515 km (0.08 R)
• M17: 15,455,106 km (0.052 R)
• M18: 19,540,623 km (0.12 R)
• M19: 20,148,440 km (0.062 R)
• M20: 20,629,846 km (0.107 R)
• M21: 21,544,038 km (0.079 R)
• M22: 23,604,599 km (0.03 R)
• M23: 25,552,513 km (0.116 R)
• M24: 26,116,647 km (0.082 R)
• M25: 26,524,600 km (0.069 R)
• M26: 28,028,657 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.7

Radius: 6.2

Gravity: 16.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.52 AU - 10.48 AU

Year: 16257 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,179,501 km

• M1: 77,791 km (0.092 R)
• M2: 279,748 km (0.087 R)
• M3: 476,020 km (0.098 R)
• M4: 789,428 km (0.064 R)
• M5: 1,169,407 km (0.105 R)
• M6: 2,054,278 km (0.072 R)
• M7: 3,938,912 km (0.041 R)
• M8: 4,150,593 km (0.042 R)
• M9: 5,435,938 km (0.098 R)
• M10: 5,970,152 km (0.067 R)
• M11: 8,313,004 km (0.054 R)
• M12: 8,917,828 km (0.11 R)
• M13: 9,178,278 km (0.098 R)
• M14: 11,449,024 km (0.093 R)
• M15: 12,779,398 km (0.111 R)
• M16: 14,422,282 km (0.104 R)
• M17: 22,026,641 km (0.112 R)
• M18: 24,275,396 km (0.091 R)
• M19: 25,611,754 km (0.061 R)
• M20: 26,780,263 km (0.12 R)
• M21: 27,213,947 km (0.115 R)
• M22: 38,114,994 km (0.117 R)
• M23: 52,781,270 km (0.082 R)
• M24: 54,669,495 km (0.115 R)
• M25: 64,207,855 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 15,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit