🌌 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: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 12.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.83 AU - 1.03 AU

Year: 579 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,291,149 km

• M1: 155,432 km (0.079 R)
• M2: 766,240 km (0.106 R)
• M3: 1,272,629 km (0.104 R)
• M4: 1,692,999 km (0.045 R)
• M5: 2,642,347 km (0.102 R)
• M6: 3,110,888 km (0.059 R)
• M7: 4,797,903 km (0.089 R)
• M8: 5,465,708 km (0.11 R)
• M9: 5,877,252 km (0.083 R)
• M10: 6,763,021 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.1

Radius: 10.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.75 AU - 1.85 AU

Year: 1559 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,291,149 km

• M1: 135,984 km (0.113 R)
• M2: 512,522 km (0.081 R)
• M3: 1,255,874 km (0.083 R)
• M4: 1,818,213 km (0.104 R)
• M5: 2,265,809 km (0.117 R)
• M6: 3,090,991 km (0.074 R)
• M7: 3,943,400 km (0.111 R)
• M8: 4,310,513 km (0.114 R)
• M9: 5,071,517 km (0.074 R)
• M10: 5,619,345 km (0.073 R)
• M11: 5,990,497 km (0.098 R)
• M12: 6,477,588 km (0.041 R)
• M13: 7,123,402 km (0.108 R)
• M14: 7,698,456 km (0.096 R)
• M15: 8,664,709 km (0.048 R)
• M16: 9,256,667 km (0.102 R)
• M17: 10,009,145 km (0.059 R)
• M18: 10,872,773 km (0.091 R)
• M19: 11,973,814 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 8.9

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.61 AU - 3.03 AU

Year: 3058 Days

Day: 6.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,291,149 km

• M1: 110,702 km (0.084 R)
• M2: 425,008 km (0.095 R)
• M3: 702,811 km (0.091 R)
• M4: 1,125,724 km (0.108 R)
• M5: 1,691,054 km (0.106 R)
• M6: 2,254,290 km (0.07 R)
• M7: 2,873,326 km (0.106 R)
• M8: 3,791,708 km (0.109 R)
• M9: 4,110,351 km (0.086 R)
• M10: 4,534,012 km (0.106 R)
• M11: 4,963,358 km (0.04 R)
• M12: 7,779,538 km (0.036 R)
• M13: 12,709,087 km (0.076 R)
• M14: 13,244,498 km (0.104 R)
• M15: 13,563,740 km (0.109 R)
• M16: 14,360,348 km (0.091 R)
• M17: 14,697,392 km (0.094 R)
• M18: 17,098,438 km (0.072 R)
• M19: 17,916,739 km (0.079 R)
• M20: 18,818,215 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.3

Radius: 5.3

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.09 AU - 6.91 AU

Year: 9489 Days

Day: 16.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,291,149 km

• M1: 66,272 km (0.089 R)
• M2: 245,640 km (0.097 R)
• M3: 496,067 km (0.07 R)
• M4: 1,210,546 km (0.11 R)
• M5: 1,602,343 km (0.074 R)
• M6: 3,338,276 km (0.119 R)
• M7: 3,707,933 km (0.08 R)
• M8: 4,298,844 km (0.099 R)
• M9: 4,858,041 km (0.074 R)
• M10: 5,171,150 km (0.12 R)
• M11: 5,803,051 km (0.091 R)
• M12: 7,380,411 km (0.063 R)
• M13: 8,093,245 km (0.064 R)
• M14: 9,413,446 km (0.051 R)
• M15: 10,818,469 km (0.092 R)
• M16: 11,083,257 km (0.035 R)
• M17: 12,763,990 km (0.119 R)
• M18: 14,288,691 km (0.077 R)
• M19: 14,479,578 km (0.109 R)
• M20: 16,761,993 km (0.083 R)
• M21: 17,549,027 km (0.116 R)
• M22: 26,915,798 km (0.087 R)
• M23: 27,109,528 km (0.101 R)
• M24: 28,694,218 km (0.117 R)
• M25: 31,078,658 km (0.086 R)
• M26: 43,519,217 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.2

Radius: 3.4

Gravity: 40.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.17 AU - 9.33 AU

Year: 16712 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,291,149 km

• M1: 50,115 km (0.087 R)
• M2: 222,901 km (0.115 R)
• M3: 387,758 km (0.104 R)
• M4: 523,443 km (0.103 R)
• M5: 664,663 km (0.073 R)
• M6: 871,557 km (0.115 R)
• M7: 990,488 km (0.057 R)
• M8: 3,019,184 km (0.106 R)
• M9: 4,431,987 km (0.105 R)
• M10: 4,590,560 km (0.111 R)
• M11: 4,753,024 km (0.068 R)
• M12: 4,952,886 km (0.118 R)
• M13: 6,115,411 km (0.114 R)
• M14: 7,537,638 km (0.115 R)
• M15: 11,903,951 km (0.088 R)
• M16: 13,690,000 km (0.051 R)
• M17: 16,539,840 km (0.089 R)
• M18: 16,844,870 km (0.115 R)
• M19: 17,466,150 km (0.113 R)
• M20: 21,158,674 km (0.113 R)
• M21: 23,281,019 km (0.047 R)
• M22: 25,339,037 km (0.074 R)
• M23: 33,675,677 km (0.09 R)
• M24: 35,284,902 km (0.111 R)
• M25: 39,192,548 km (0.108 R)
• M26: 43,813,177 km (0.085 R)
• M27: 56,664,681 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 10,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit