🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.62 AU - 0.86 AU

Year: 239 Days

Day: 33.3 Hours

Environment

Temp: 120 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.6

Radius: 9.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.34 AU - 6.16 AU

Year: 4508 Days

Day: 11 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,730,619 km

• M1: 115,938 km (0.097 R)
• M2: 459,415 km (0.054 R)
• M3: 986,448 km (0.076 R)
• M4: 2,106,488 km (0.063 R)
• M5: 3,982,894 km (0.104 R)
• M6: 4,842,782 km (0.106 R)
• M7: 6,300,015 km (0.099 R)
• M8: 6,653,365 km (0.079 R)
• M9: 7,335,532 km (0.086 R)
• M10: 9,170,349 km (0.055 R)
• M11: 9,936,141 km (0.085 R)
• M12: 12,954,876 km (0.028 R)
• M13: 17,961,020 km (0.106 R)
• M14: 19,280,922 km (0.114 R)
• M15: 19,901,902 km (0.049 R)
• M16: 22,587,633 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.4

Radius: 14.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.47 AU - 8.21 AU

Year: 6704 Days

Day: 12.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 90,730,619 km

• M1: 180,415 km (0.079 R)
• M2: 634,744 km (0.12 R)
• M3: 1,189,602 km (0.109 R)
• M4: 2,014,784 km (0.105 R)
• M5: 4,030,316 km (0.093 R)
• M6: 5,805,744 km (0.069 R)
• M7: 7,483,633 km (0.086 R)
• M8: 8,056,893 km (0.095 R)
• M9: 11,228,667 km (0.115 R)
• M10: 14,678,693 km (0.042 R)
• M11: 15,825,959 km (0.114 R)
• M12: 16,326,663 km (0.03 R)
• M13: 17,162,765 km (0.039 R)
• M14: 18,367,327 km (0.048 R)
• M15: 20,352,342 km (0.104 R)
• M16: 23,270,098 km (0.04 R)
• M17: 26,107,970 km (0.112 R)
• M18: 26,807,938 km (0.075 R)
• M19: 28,520,535 km (0.116 R)
• M20: 30,689,854 km (0.097 R)
• M21: 32,063,162 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.5

Radius: 10.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.78 AU - 12.54 AU

Year: 12136 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,730,619 km

• M1: 135,536 km (0.079 R)
• M2: 515,514 km (0.071 R)
• M3: 1,210,396 km (0.105 R)
• M4: 1,677,890 km (0.101 R)
• M5: 3,974,516 km (0.111 R)
• M6: 5,641,784 km (0.036 R)
• M7: 6,998,338 km (0.043 R)
• M8: 18,073,368 km (0.105 R)
• M9: 23,004,413 km (0.094 R)
• M10: 32,394,521 km (0.085 R)
• M11: 36,772,952 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.2

Radius: 5.5

Gravity: 29.76 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 10.76 AU - 13.2 AU

Year: 15539 Days

Day: 20.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,730,619 km

• M1: 70,760 km (0.113 R)
• M2: 274,213 km (0.096 R)
• M3: 665,860 km (0.042 R)
• M4: 1,103,284 km (0.118 R)
• M5: 1,453,493 km (0.04 R)
• M6: 2,331,184 km (0.084 R)
• M7: 2,528,802 km (0.072 R)
• M8: 3,033,994 km (0.105 R)
• M9: 3,324,214 km (0.026 R)
• M10: 4,307,072 km (0.107 R)
• M11: 6,566,449 km (0.118 R)
• M12: 6,917,705 km (0.04 R)
• M13: 8,603,074 km (0.112 R)
• M14: 9,735,979 km (0.112 R)
• M15: 10,019,766 km (0.116 R)
• M16: 10,843,751 km (0.099 R)
• M17: 12,033,054 km (0.076 R)
• M18: 13,585,880 km (0.108 R)
• M19: 20,298,636 km (0.108 R)
• M20: 21,232,276 km (0.062 R)
• M21: 22,096,653 km (0.098 R)
• M22: 25,574,205 km (0.091 R)
• M23: 33,589,808 km (0.085 R)
• M24: 36,776,093 km (0.089 R)
• M25: 40,595,028 km (0.095 R)
• M26: 44,825,805 km (0.087 R)
• M27: 46,886,366 km (0.045 R)
• M28: 48,843,705 km (0.116 R)
• M29: 50,515,910 km (0.097 R)
• M30: 62,910,243 km (0.11 R)
• M31: 64,489,398 km (0.112 R)
• M32: 65,892,776 km (0.091 R)
• M33: 68,345,582 km (0.082 R)
• M34: 69,594,575 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451

Radius: 7.1

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 16.88 AU - 21.98 AU

Year: 32095 Days

Day: 16.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,730,619 km

• M1: 88,412 km (0.099 R)
• M2: 976,575 km (0.077 R)
• M3: 1,388,867 km (0.074 R)
• M4: 2,867,791 km (0.072 R)
• M5: 3,114,478 km (0.117 R)
• M6: 4,282,089 km (0.06 R)
• M7: 6,065,146 km (0.106 R)
• M8: 6,335,470 km (0.073 R)
• M9: 7,244,875 km (0.103 R)
• M10: 9,499,016 km (0.027 R)
• M11: 9,864,035 km (0.038 R)
• M12: 12,469,282 km (0.105 R)
• M13: 16,436,767 km (0.118 R)
• M14: 22,324,191 km (0.09 R)
• M15: 24,185,338 km (0.112 R)
• M16: 29,606,915 km (0.065 R)
• M17: 34,773,277 km (0.11 R)
• M18: 36,521,777 km (0.07 R)
• M19: 40,509,607 km (0.069 R)
• M20: 40,987,722 km (0.094 R)
• M21: 42,772,724 km (0.107 R)
• M22: 44,103,098 km (0.078 R)
• M23: 44,609,038 km (0.103 R)
• M24: 48,259,376 km (0.11 R)
• M25: 49,156,963 km (0.103 R)
• M26: 56,147,821 km (0.12 R)
• M27: 58,347,358 km (0.116 R)
• M28: 59,982,613 km (0.099 R)
• M29: 60,603,593 km (0.037 R)
• M30: 61,858,570 km (0.111 R)
• M31: 74,179,301 km (0.118 R)
• M32: 74,417,311 km (0.114 R)
• M33: 74,655,770 km (0.111 R)
• M34: 76,097,445 km (0.06 R)
• M35: 78,048,500 km (0.113 R)
• M36: 79,284,628 km (0.035 R)
• M37: 89,108,869 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 15,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit