🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 10

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.65 AU - 0.81 AU

Year: 409 Days

Day: 9.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,580,355 km

• M1: 124,316 km (0.077 R)
• M2: 457,321 km (0.111 R)
• M3: 853,007 km (0.03 R)
• M4: 1,170,155 km (0.042 R)
• M5: 1,903,035 km (0.081 R)
• M6: 2,260,573 km (0.1 R)
• M7: 2,643,993 km (0.089 R)
• M8: 3,241,187 km (0.058 R)
• M9: 4,593,103 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.1

Radius: 12.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.65 AU - 1.09 AU

Year: 532 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 32,580,355 km

• M1: 154,834 km (0.097 R)
• M2: 590,164 km (0.092 R)
• M3: 1,228,947 km (0.026 R)
• M4: 2,096,016 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.1

Radius: 12.5

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 32,580,355 km

• M1: 155,582 km (0.113 R)
• M2: 554,111 km (0.072 R)
• M3: 1,375,702 km (0.092 R)
• M4: 2,306,500 km (0.079 R)
• M5: 3,056,883 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.9

Radius: 14.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.83 AU - 0.95 AU

Year: 551 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,580,355 km

• M1: 182,958 km (0.086 R)
• M2: 735,423 km (0.059 R)
• M3: 1,329,775 km (0.097 R)
• M4: 1,902,735 km (0.102 R)
• M5: 2,371,725 km (0.054 R)
• M6: 3,105,203 km (0.11 R)
• M7: 4,135,184 km (0.112 R)
• M8: 4,920,573 km (0.088 R)
• M9: 5,615,605 km (0.105 R)
• M10: 6,247,357 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 14.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.31 AU - 1.65 AU

Year: 1181 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,580,355 km

• M1: 194,627 km (0.108 R)
• M2: 713,133 km (0.113 R)
• M3: 2,139,549 km (0.088 R)
• M4: 2,821,565 km (0.092 R)
• M5: 4,021,340 km (0.096 R)
• M6: 4,509,329 km (0.1 R)
• M7: 5,932,004 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 11.1

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.28 AU - 3.5 AU

Year: 3223 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,580,355 km

• M1: 150,196 km (0.065 R)
• M2: 568,322 km (0.107 R)
• M3: 1,161,029 km (0.046 R)
• M4: 1,552,078 km (0.082 R)
• M5: 2,018,823 km (0.117 R)
• M6: 2,395,810 km (0.086 R)
• M7: 3,095,030 km (0.088 R)
• M8: 3,600,372 km (0.074 R)
• M9: 4,160,167 km (0.049 R)
• M10: 5,587,032 km (0.055 R)
• M11: 7,157,660 km (0.055 R)
• M12: 7,543,323 km (0.106 R)
• M13: 8,010,966 km (0.052 R)
• M14: 8,426,998 km (0.082 R)
• M15: 10,077,810 km (0.051 R)
• M16: 10,604,395 km (0.117 R)
• M17: 11,407,137 km (0.09 R)
• M18: 11,845,459 km (0.087 R)
• M19: 13,712,889 km (0.042 R)
• M20: 14,108,725 km (0.076 R)
• M21: 14,512,190 km (0.068 R)
• M22: 16,702,303 km (0.075 R)
• M23: 17,211,085 km (0.102 R)
• M24: 19,785,964 km (0.03 R)
• M25: 20,291,904 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.4

Radius: 14.9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.98 AU - 4.38 AU

Year: 5606 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,580,355 km

• M1: 192,981 km (0.117 R)
• M2: 679,474 km (0.08 R)
• M3: 1,317,957 km (0.106 R)
• M4: 1,826,141 km (0.061 R)
• M5: 3,098,172 km (0.065 R)
• M6: 4,482,551 km (0.06 R)
• M7: 6,090,429 km (0.109 R)
• M8: 6,670,868 km (0.065 R)
• M9: 7,466,280 km (0.12 R)
• M10: 10,371,321 km (0.079 R)
• M11: 12,327,164 km (0.107 R)
• M12: 13,206,350 km (0.093 R)
• M13: 13,688,654 km (0.051 R)
• M14: 14,349,877 km (0.105 R)
• M15: 17,916,589 km (0.03 R)
• M16: 22,716,287 km (0.111 R)
• M17: 23,565,853 km (0.029 R)
• M18: 24,839,530 km (0.074 R)
• M19: 27,264,212 km (0.059 R)
• M20: 28,578,579 km (0.044 R)
• M21: 30,396,043 km (0.117 R)
• M22: 32,193,163 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit