🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 13.2

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.58 AU - 0.62 AU

Year: 327 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,475,576 km

• M1: 164,258 km (0.079 R)
• M2: 631,453 km (0.056 R)
• M3: 1,075,459 km (0.057 R)
• M4: 1,558,810 km (0.03 R)
• M5: 1,991,297 km (0.096 R)
• M6: 2,469,412 km (0.108 R)
• M7: 3,511,511 km (0.102 R)
• M8: 3,951,329 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.8

Radius: 9.7

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.64 AU - 0.66 AU

Year: 368 Days

Day: 13.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,475,576 km

• M1: 120,725 km (0.106 R)
• M2: 448,494 km (0.105 R)
• M3: 804,238 km (0.059 R)
• M4: 1,232,686 km (0.118 R)
• M5: 1,600,099 km (0.114 R)
• M6: 1,907,971 km (0.12 R)
• M7: 2,496,040 km (0.071 R)
• M8: 2,997,193 km (0.095 R)
• M9: 3,311,199 km (0.048 R)
• M10: 3,880,120 km (0.115 R)
• M11: 4,752,724 km (0.059 R)
• M12: 5,182,220 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 12.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.2 AU - 1.24 AU

Year: 947 Days

Day: 6.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,475,576 km

• M1: 154,235 km (0.103 R)
• M2: 551,867 km (0.116 R)
• M3: 1,092,812 km (0.094 R)
• M4: 1,504,207 km (0.09 R)
• M5: 2,001,769 km (0.103 R)
• M6: 2,493,797 km (0.112 R)
• M7: 3,105,652 km (0.108 R)
• M8: 3,665,597 km (0.082 R)
• M9: 4,145,207 km (0.079 R)
• M10: 5,600,047 km (0.085 R)
• M11: 6,609,683 km (0.067 R)
• M12: 7,181,595 km (0.033 R)
• M13: 8,477,562 km (0.065 R)
• M14: 9,181,270 km (0.08 R)
• M15: 9,662,227 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 11

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.62 AU - 2.46 AU

Year: 2048 Days

Day: 13.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,475,576 km

• M1: 136,882 km (0.089 R)
• M2: 611,406 km (0.066 R)
• M3: 1,107,024 km (0.044 R)
• M4: 1,637,947 km (0.056 R)
• M5: 2,370,677 km (0.111 R)
• M6: 2,785,363 km (0.118 R)
• M7: 3,325,112 km (0.075 R)
• M8: 4,557,350 km (0.108 R)
• M9: 5,504,603 km (0.117 R)
• M10: 6,119,151 km (0.118 R)
• M11: 7,786,719 km (0.044 R)
• M12: 8,591,256 km (0.109 R)
• M13: 10,399,745 km (0.099 R)
• M14: 10,984,972 km (0.109 R)
• M15: 11,701,695 km (0.062 R)
• M16: 12,259,396 km (0.111 R)
• M17: 12,718,213 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.8

Radius: 8.2

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.01 AU - 3.31 AU

Year: 3949 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,475,576 km

• M1: 102,026 km (0.051 R)
• M2: 381,624 km (0.072 R)
• M3: 942,167 km (0.106 R)
• M4: 1,716,187 km (0.087 R)
• M5: 2,413,462 km (0.095 R)
• M6: 3,496,551 km (0.112 R)
• M7: 5,536,767 km (0.054 R)
• M8: 6,433,008 km (0.093 R)
• M9: 6,701,835 km (0.111 R)
• M10: 9,585,484 km (0.077 R)
• M11: 11,646,493 km (0.098 R)
• M12: 17,590,166 km (0.108 R)
• M13: 17,999,167 km (0.11 R)
• M14: 19,387,585 km (0.054 R)
• M15: 20,266,921 km (0.069 R)
• M16: 22,240,416 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 8

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.55 AU - 5.79 AU

Year: 7094 Days

Day: 10.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,475,576 km

• M1: 100,380 km (0.082 R)
• M2: 359,334 km (0.107 R)
• M3: 1,397,843 km (0.054 R)
• M4: 2,014,784 km (0.095 R)
• M5: 2,439,642 km (0.099 R)
• M6: 2,861,957 km (0.082 R)
• M7: 4,536,855 km (0.099 R)
• M8: 5,330,322 km (0.118 R)
• M9: 6,178,841 km (0.111 R)
• M10: 8,519,000 km (0.057 R)
• M11: 11,136,664 km (0.098 R)
• M12: 12,572,355 km (0.108 R)
• M13: 14,673,008 km (0.049 R)
• M14: 15,485,923 km (0.117 R)
• M15: 16,131,438 km (0.092 R)
• M16: 20,927,545 km (0.103 R)
• M17: 22,199,127 km (0.118 R)
• M18: 24,983,144 km (0.064 R)
• M19: 32,471,564 km (0.11 R)
• M20: 39,157,841 km (0.114 R)
• M21: 39,753,091 km (0.068 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: 314 - 11,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit