🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 8.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 257 Days

Day: 14.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,630,238 km

• M1: 100,829 km (0.093 R)
• M2: 497,413 km (0.045 R)
• M3: 890,407 km (0.083 R)
• M4: 1,383,631 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 12.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.58 AU - 1.7 AU

Year: 1401 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,630,238 km

• M1: 159,172 km (0.091 R)
• M2: 868,266 km (0.102 R)
• M3: 1,319,304 km (0.102 R)
• M4: 1,834,219 km (0.097 R)
• M5: 3,178,057 km (0.086 R)
• M6: 6,406,978 km (0.047 R)
• M7: 7,307,557 km (0.086 R)
• M8: 7,741,690 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 9.9

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.35 AU - 1.97 AU

Year: 1426 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,630,238 km

• M1: 123,119 km (0.091 R)
• M2: 798,853 km (0.085 R)
• M3: 1,115,103 km (0.082 R)
• M4: 1,820,606 km (0.108 R)
• M5: 2,448,618 km (0.103 R)
• M6: 2,914,316 km (0.086 R)
• M7: 3,987,980 km (0.116 R)
• M8: 4,437,821 km (0.119 R)
• M9: 5,328,676 km (0.104 R)
• M10: 5,735,283 km (0.073 R)
• M11: 6,186,919 km (0.084 R)
• M12: 8,474,719 km (0.116 R)
• M13: 8,935,630 km (0.109 R)
• M14: 9,380,983 km (0.05 R)
• M15: 9,840,997 km (0.059 R)
• M16: 10,281,712 km (0.096 R)
• M17: 11,496,596 km (0.106 R)
• M18: 13,912,303 km (0.098 R)
• M19: 14,467,760 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.3

Radius: 14.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.45 AU - 2.53 AU

Year: 2620 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,630,238 km

• M1: 175,329 km (0.117 R)
• M2: 723,455 km (0.1 R)
• M3: 1,288,786 km (0.074 R)
• M4: 1,781,411 km (0.056 R)
• M5: 2,643,694 km (0.091 R)
• M6: 3,264,824 km (0.102 R)
• M7: 3,962,698 km (0.085 R)
• M8: 4,802,989 km (0.099 R)
• M9: 5,314,165 km (0.107 R)
• M10: 5,913,305 km (0.066 R)
• M11: 8,505,985 km (0.079 R)
• M12: 9,470,293 km (0.094 R)
• M13: 10,127,925 km (0.103 R)
• M14: 11,131,428 km (0.038 R)
• M15: 11,864,308 km (0.093 R)
• M16: 14,589,832 km (0.095 R)
• M17: 15,567,753 km (0.077 R)
• M18: 16,798,644 km (0.12 R)
• M19: 17,709,097 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 10.3

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.02 AU - 3.36 AU

Year: 2942 Days

Day: 7.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,630,238 km

• M1: 230,231 km (0.065 R)
• M2: 817,253 km (0.116 R)
• M3: 1,293,872 km (0.087 R)
• M4: 1,887,925 km (0.063 R)
• M5: 2,408,825 km (0.106 R)
• M6: 2,971,313 km (0.059 R)
• M7: 3,560,429 km (0.078 R)
• M8: 5,146,316 km (0.093 R)
• M9: 7,909,539 km (0.062 R)
• M10: 8,857,840 km (0.053 R)
• M11: 10,197,638 km (0.049 R)
• M12: 12,848,512 km (0.109 R)
• M13: 13,613,406 km (0.064 R)
• M14: 14,920,742 km (0.03 R)
• M15: 16,145,500 km (0.093 R)
• M16: 16,531,313 km (0.083 R)
• M17: 20,412,779 km (0.049 R)
• M18: 21,059,491 km (0.063 R)
• M19: 22,325,687 km (0.106 R)
• M20: 22,667,069 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51

Radius: 13.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.54 AU - 5.36 AU

Year: 6260 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,630,238 km

• M1: 170,392 km (0.083 R)
• M2: 609,163 km (0.099 R)
• M3: 1,103,883 km (0.097 R)
• M4: 2,597,019 km (0.054 R)
• M5: 3,320,923 km (0.093 R)
• M6: 4,344,621 km (0.116 R)
• M7: 5,194,786 km (0.07 R)
• M8: 6,080,854 km (0.05 R)
• M9: 7,610,343 km (0.034 R)
• M10: 10,697,445 km (0.116 R)
• M11: 11,344,007 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.8

Radius: 5.3

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.13 AU - 9.83 AU

Year: 15033 Days

Day: 20.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,630,238 km

• M1: 65,973 km (0.117 R)
• M2: 276,457 km (0.116 R)
• M3: 780,901 km (0.059 R)
• M4: 1,880,296 km (0.048 R)
• M5: 2,052,483 km (0.089 R)
• M6: 3,622,662 km (0.11 R)
• M7: 4,711,884 km (0.079 R)
• M8: 5,607,676 km (0.109 R)
• M9: 7,471,965 km (0.081 R)
• M10: 7,774,452 km (0.111 R)
• M11: 8,130,195 km (0.082 R)
• M12: 8,496,710 km (0.08 R)
• M13: 10,021,711 km (0.077 R)
• M14: 14,381,292 km (0.062 R)
• M15: 16,677,919 km (0.096 R)
• M16: 16,898,127 km (0.104 R)
• M17: 22,603,640 km (0.049 R)
• M18: 23,603,253 km (0.064 R)
• M19: 26,578,007 km (0.07 R)
• M20: 30,554,019 km (0.103 R)
• M21: 34,789,134 km (0.076 R)
• M22: 35,753,592 km (0.067 R)
• M23: 38,242,601 km (0.11 R)
• M24: 38,625,572 km (0.067 R)
• M25: 39,920,940 km (0.1 R)
• M26: 48,009,248 km (0.092 R)
• M27: 48,454,900 km (0.087 R)
• M28: 52,277,425 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.9

Radius: 5.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.86 AU - 11.34 AU

Year: 23014 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,630,238 km

• M1: 71,059 km (0.119 R)
• M2: 265,686 km (0.065 R)
• M3: 524,041 km (0.105 R)
• M4: 704,008 km (0.094 R)
• M5: 1,254,977 km (0.072 R)
• M6: 1,749,098 km (0.095 R)
• M7: 2,109,928 km (0.035 R)
• M8: 2,639,505 km (0.088 R)
• M9: 3,878,624 km (0.12 R)
• M10: 6,159,692 km (0.085 R)
• M11: 9,159,578 km (0.069 R)
• M12: 10,139,594 km (0.064 R)
• M13: 12,773,564 km (0.105 R)
• M14: 13,011,724 km (0.076 R)
• M15: 14,247,252 km (0.114 R)
• M16: 16,383,809 km (0.079 R)
• M17: 16,878,081 km (0.038 R)
• M18: 19,736,447 km (0.097 R)
• M19: 22,123,431 km (0.095 R)
• M20: 24,604,362 km (0.079 R)
• M21: 27,659,749 km (0.063 R)
• M22: 32,041,321 km (0.033 R)
• M23: 32,370,885 km (0.09 R)
• M24: 33,260,843 km (0.078 R)
• M25: 34,511,032 km (0.114 R)
• M26: 40,847,100 km (0.065 R)
• M27: 42,544,138 km (0.115 R)
• M28: 45,522,034 km (0.1 R)
• M29: 46,779,254 km (0.071 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: 301 - 19,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit