🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.27 AU - 2.55 AU

Year: 2495 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,248,499 km

• M1: 169,644 km (0.117 R)
• M2: 593,455 km (0.107 R)
• M3: 1,013,974 km (0.119 R)
• M4: 2,011,044 km (0.059 R)
• M5: 3,464,238 km (0.086 R)
• M6: 4,462,504 km (0.064 R)
• M7: 5,414,994 km (0.109 R)
• M8: 6,146,827 km (0.094 R)
• M9: 6,810,593 km (0.093 R)
• M10: 7,549,905 km (0.099 R)
• M11: 8,191,381 km (0.089 R)
• M12: 8,743,098 km (0.107 R)
• M13: 11,767,369 km (0.072 R)
• M14: 14,705,321 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.2

Radius: 10.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.56 AU - 3.1 AU

Year: 3175 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,248,499 km

• M1: 136,583 km (0.091 R)
• M2: 721,511 km (0.062 R)
• M3: 1,350,420 km (0.058 R)
• M4: 1,775,876 km (0.115 R)
• M5: 2,772,497 km (0.109 R)
• M6: 3,302,971 km (0.031 R)
• M7: 4,300,939 km (0.092 R)
• M8: 4,966,051 km (0.109 R)
• M9: 6,300,614 km (0.115 R)
• M10: 6,705,725 km (0.089 R)
• M11: 7,408,984 km (0.058 R)
• M12: 8,060,034 km (0.043 R)
• M13: 8,713,478 km (0.09 R)
• M14: 9,438,878 km (0.095 R)
• M15: 10,764,315 km (0.055 R)
• M16: 11,176,756 km (0.083 R)
• M17: 11,599,669 km (0.11 R)
• M18: 12,568,016 km (0.111 R)
• M19: 13,637,043 km (0.119 R)
• M20: 14,816,173 km (0.119 R)
• M21: 15,378,811 km (0.079 R)
• M22: 16,492,417 km (0.104 R)
• M23: 16,930,589 km (0.115 R)
• M24: 18,291,631 km (0.039 R)
• M25: 21,618,837 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.6

Radius: 11.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.05 AU - 4.09 AU

Year: 4498 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,248,499 km

• M1: 148,102 km (0.054 R)
• M2: 579,542 km (0.04 R)
• M3: 1,848,132 km (0.054 R)
• M4: 2,513,394 km (0.027 R)
• M5: 3,008,264 km (0.116 R)
• M6: 4,268,027 km (0.109 R)
• M7: 5,017,213 km (0.113 R)
• M8: 5,391,657 km (0.03 R)
• M9: 8,416,675 km (0.063 R)
• M10: 9,626,473 km (0.079 R)
• M11: 10,306,396 km (0.101 R)
• M12: 11,725,930 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.2

Radius: 8.5

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.74 AU - 4.76 AU

Year: 5843 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,248,499 km

• M1: 105,766 km (0.101 R)
• M2: 370,704 km (0.119 R)
• M3: 747,989 km (0.101 R)
• M4: 1,040,603 km (0.112 R)
• M5: 1,321,548 km (0.106 R)
• M6: 1,840,203 km (0.082 R)
• M7: 2,736,444 km (0.108 R)
• M8: 3,059,426 km (0.059 R)
• M9: 3,365,354 km (0.072 R)
• M10: 3,782,433 km (0.118 R)
• M11: 4,536,855 km (0.095 R)
• M12: 5,046,535 km (0.038 R)
• M13: 6,308,991 km (0.1 R)
• M14: 6,944,483 km (0.108 R)
• M15: 7,295,739 km (0.106 R)
• M16: 8,148,746 km (0.099 R)
• M17: 9,529,534 km (0.113 R)
• M18: 9,832,021 km (0.088 R)
• M19: 10,230,550 km (0.088 R)
• M20: 10,547,847 km (0.076 R)
• M21: 12,032,905 km (0.101 R)
• M22: 13,328,273 km (0.071 R)
• M23: 13,982,015 km (0.103 R)
• M24: 15,530,952 km (0.095 R)
• M25: 20,357,577 km (0.098 R)
• M26: 21,741,358 km (0.085 R)
• M27: 22,115,652 km (0.103 R)
• M28: 23,498,834 km (0.116 R)
• M29: 23,813,887 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.8

Radius: 5.3

Gravity: 24.66 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.81 AU - 7.65 AU

Year: 11643 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,248,499 km

• M1: 65,973 km (0.107 R)
• M2: 287,826 km (0.082 R)
• M3: 1,171,950 km (0.092 R)
• M4: 1,390,063 km (0.078 R)
• M5: 1,696,739 km (0.112 R)
• M6: 2,012,091 km (0.047 R)
• M7: 2,673,314 km (0.064 R)
• M8: 3,495,205 km (0.106 R)
• M9: 3,922,307 km (0.114 R)
• M10: 4,353,597 km (0.107 R)
• M11: 4,565,428 km (0.077 R)
• M12: 6,322,754 km (0.039 R)
• M13: 7,630,389 km (0.096 R)
• M14: 10,071,228 km (0.081 R)
• M15: 10,877,860 km (0.084 R)
• M16: 11,553,294 km (0.103 R)
• M17: 12,618,580 km (0.085 R)
• M18: 12,863,921 km (0.108 R)
• M19: 13,174,935 km (0.118 R)
• M20: 15,989,768 km (0.028 R)
• M21: 17,842,538 km (0.052 R)
• M22: 19,505,468 km (0.082 R)
• M23: 20,754,909 km (0.067 R)
• M24: 25,303,881 km (0.089 R)
• M25: 29,281,988 km (0.076 R)
• M26: 32,957,757 km (0.074 R)
• M27: 34,725,705 km (0.061 R)
• M28: 35,086,834 km (0.088 R)
• M29: 37,558,041 km (0.041 R)
• M30: 39,225,010 km (0.118 R)
• M31: 41,478,553 km (0.062 R)
• M32: 44,662,743 km (0.09 R)
• M33: 46,096,639 km (0.119 R)
• M34: 46,825,031 km (0.115 R)
• M35: 49,967,933 km (0.09 R)
• M36: 51,201,218 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 14,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit