🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.6

Radius: 9.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.82 AU - 1.06 AU

Year: 598 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,049,926 km

• M1: 123,119 km (0.1 R)
• M2: 543,639 km (0.059 R)
• M3: 908,508 km (0.118 R)
• M4: 1,584,690 km (0.09 R)
• M5: 2,468,514 km (0.067 R)
• M6: 3,487,276 km (0.108 R)
• M7: 4,318,143 km (0.112 R)
• M8: 4,734,473 km (0.113 R)
• M9: 5,064,038 km (0.113 R)
• M10: 5,561,750 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 12.2

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.05 AU - 1.13 AU

Year: 747 Days

Day: 10.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,049,926 km

• M1: 151,692 km (0.092 R)
• M2: 568,322 km (0.088 R)
• M3: 1,023,399 km (0.118 R)
• M4: 1,499,569 km (0.082 R)
• M5: 1,961,378 km (0.097 R)
• M6: 2,667,928 km (0.1 R)
• M7: 3,432,673 km (0.116 R)
• M8: 4,446,498 km (0.116 R)
• M9: 6,239,727 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 11.4

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.29 AU - 1.35 AU

Year: 995 Days

Day: 10.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,049,926 km

• M1: 141,819 km (0.102 R)
• M2: 501,452 km (0.076 R)
• M3: 1,450,501 km (0.118 R)
• M4: 2,133,266 km (0.087 R)
• M5: 2,629,033 km (0.046 R)
• M6: 4,291,664 km (0.091 R)
• M7: 5,126,719 km (0.055 R)
• M8: 6,245,562 km (0.057 R)
• M9: 6,684,182 km (0.096 R)
• M10: 9,077,449 km (0.095 R)
• M11: 9,978,328 km (0.035 R)
• M12: 10,482,772 km (0.047 R)
• M13: 11,440,198 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.1

Radius: 14.1

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.69 AU - 3.01 AU

Year: 3156 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,049,926 km

• M1: 186,698 km (0.094 R)
• M2: 627,862 km (0.109 R)
• M3: 1,100,891 km (0.07 R)
• M4: 1,760,169 km (0.109 R)
• M5: 2,263,117 km (0.115 R)
• M6: 2,786,709 km (0.116 R)
• M7: 3,277,689 km (0.074 R)
• M8: 3,764,331 km (0.052 R)
• M9: 5,285,592 km (0.112 R)
• M10: 6,439,740 km (0.108 R)
• M11: 10,255,981 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.6

Radius: 8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.47 AU - 3.53 AU

Year: 4295 Days

Day: 11.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,049,926 km

• M1: 99,483 km (0.081 R)
• M2: 428,000 km (0.114 R)
• M3: 839,992 km (0.11 R)
• M4: 1,237,623 km (0.037 R)
• M5: 2,536,133 km (0.072 R)
• M6: 3,718,105 km (0.119 R)
• M7: 4,513,218 km (0.057 R)
• M8: 5,030,079 km (0.073 R)
• M9: 6,068,438 km (0.063 R)
• M10: 6,389,774 km (0.06 R)
• M11: 6,722,480 km (0.084 R)
• M12: 7,243,080 km (0.113 R)
• M13: 8,562,533 km (0.028 R)
• M14: 9,475,978 km (0.11 R)
• M15: 9,846,532 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 13

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.72 AU - 4.86 AU

Year: 5829 Days

Day: 8.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,049,926 km

• M1: 174,431 km (0.077 R)
• M2: 680,072 km (0.117 R)
• M3: 1,276,967 km (0.083 R)
• M4: 1,868,477 km (0.119 R)
• M5: 2,620,955 km (0.108 R)
• M6: 3,795,896 km (0.114 R)
• M7: 8,748,483 km (0.103 R)
• M8: 9,915,945 km (0.063 R)
• M9: 10,467,064 km (0.109 R)
• M10: 11,934,918 km (0.1 R)
• M11: 12,611,998 km (0.081 R)
• M12: 15,702,391 km (0.101 R)
• M13: 20,344,413 km (0.083 R)
• M14: 21,235,717 km (0.038 R)
• M15: 25,829,419 km (0.115 R)
• M16: 27,857,218 km (0.118 R)
• M17: 30,562,695 km (0.05 R)
• M18: 35,737,884 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252

Radius: 5.1

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.99 AU - 7.99 AU

Year: 12123 Days

Day: 20.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,049,926 km

• M1: 124,316 km (0.045 R)
• M2: 322,533 km (0.114 R)
• M3: 883,076 km (0.11 R)
• M4: 1,340,995 km (0.087 R)
• M5: 1,897,649 km (0.096 R)
• M6: 2,502,772 km (0.118 R)
• M7: 3,098,770 km (0.057 R)
• M8: 3,958,060 km (0.071 R)
• M9: 4,995,522 km (0.104 R)
• M10: 8,111,197 km (0.066 R)
• M11: 11,736,701 km (0.086 R)
• M12: 13,264,544 km (0.084 R)
• M13: 14,254,284 km (0.065 R)
• M14: 16,775,456 km (0.089 R)
• M15: 22,034,719 km (0.117 R)
• M16: 29,442,507 km (0.094 R)
• M17: 29,636,685 km (0.097 R)
• M18: 31,828,892 km (0.106 R)
• M19: 39,049,981 km (0.097 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: 367 - 11,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit