🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 9.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.89 AU - 0.91 AU

Year: 589 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,866,628 km

• M1: 123,269 km (0.119 R)
• M2: 469,289 km (0.032 R)
• M3: 789,877 km (0.085 R)
• M4: 1,400,685 km (0.056 R)
• M5: 1,906,774 km (0.088 R)
• M6: 2,232,898 km (0.026 R)
• M7: 2,552,888 km (0.114 R)
• M8: 3,365,055 km (0.115 R)
• M9: 3,918,118 km (0.047 R)
• M10: 4,877,339 km (0.093 R)
• M11: 6,444,826 km (0.118 R)
• M12: 6,927,129 km (0.077 R)
• M13: 7,615,130 km (0.083 R)

Asteroid Belt

Center: 1.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.9

Radius: 10.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.99 AU - 3.05 AU

Year: 2761 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,866,628 km

• M1: 134,788 km (0.091 R)
• M2: 507,286 km (0.113 R)
• M3: 1,198,279 km (0.115 R)
• M4: 2,863,303 km (0.069 R)
• M5: 3,301,924 km (0.029 R)
• M6: 4,874,198 km (0.073 R)
• M7: 5,869,472 km (0.097 R)
• M8: 7,635,475 km (0.105 R)
• M9: 8,370,749 km (0.089 R)
• M10: 10,399,146 km (0.086 R)
• M11: 11,302,568 km (0.071 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.5

Radius: 8

Gravity: 13.93 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.76 AU - 6.78 AU

Year: 10837 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,866,628 km

• M1: 99,483 km (0.068 R)
• M2: 442,810 km (0.08 R)
• M3: 880,533 km (0.042 R)
• M4: 1,245,701 km (0.111 R)
• M5: 1,632,711 km (0.088 R)
• M6: 1,956,740 km (0.099 R)
• M7: 3,005,870 km (0.075 R)
• M8: 4,794,462 km (0.093 R)
• M9: 5,394,499 km (0.074 R)
• M10: 5,676,790 km (0.114 R)
• M11: 6,504,665 km (0.073 R)
• M12: 8,304,776 km (0.102 R)
• M13: 9,369,614 km (0.051 R)
• M14: 10,414,256 km (0.09 R)
• M15: 16,234,660 km (0.117 R)
• M16: 16,974,721 km (0.069 R)
• M17: 17,505,943 km (0.111 R)
• M18: 20,161,006 km (0.056 R)
• M19: 21,276,856 km (0.07 R)
• M20: 23,073,228 km (0.039 R)
• M21: 23,725,026 km (0.112 R)
• M22: 24,389,240 km (0.086 R)
• M23: 32,533,498 km (0.12 R)
• M24: 34,668,708 km (0.082 R)
• M25: 35,647,078 km (0.114 R)
• M26: 39,216,334 km (0.076 R)
• M27: 39,744,863 km (0.078 R)
• M28: 40,412,369 km (0.096 R)
• M29: 42,044,631 km (0.048 R)
• M30: 49,936,068 km (0.076 R)
• M31: 54,884,317 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.1

Radius: 7

Gravity: 20.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.1 AU - 9.5 AU

Year: 19577 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,866,628 km

• M1: 107,262 km (0.111 R)
• M2: 525,687 km (0.088 R)
• M3: 1,887,776 km (0.109 R)
• M4: 4,072,952 km (0.093 R)
• M5: 4,626,763 km (0.059 R)
• M6: 5,308,630 km (0.099 R)
• M7: 7,502,782 km (0.115 R)
• M8: 9,752,734 km (0.057 R)
• M9: 11,325,756 km (0.075 R)
• M10: 14,492,892 km (0.081 R)
• M11: 14,886,335 km (0.116 R)
• M12: 15,943,094 km (0.072 R)
• M13: 17,754,425 km (0.08 R)
• M14: 25,115,239 km (0.108 R)
• M15: 34,141,675 km (0.072 R)
• M16: 34,838,502 km (0.11 R)
• M17: 39,068,681 km (0.055 R)
• M18: 42,818,351 km (0.073 R)
• M19: 53,788,662 km (0.096 R)
• M20: 58,416,772 km (0.054 R)
• M21: 59,013,218 km (0.094 R)
• M22: 61,235,345 km (0.086 R)
• M23: 62,886,158 km (0.043 R)
• M24: 75,280,042 km (0.116 R)
• M25: 78,614,429 km (0.052 R)
• M26: 83,295,346 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427

Radius: 5

Gravity: 17.08 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.09 AU - 11.61 AU

Year: 21339 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,866,628 km

• M1: 67,169 km (0.096 R)
• M2: 407,205 km (0.109 R)
• M3: 596,447 km (0.08 R)
• M4: 1,083,986 km (0.074 R)
• M5: 1,534,725 km (0.049 R)
• M6: 2,082,103 km (0.052 R)
• M7: 2,454,901 km (0.072 R)
• M8: 3,173,270 km (0.051 R)
• M9: 4,599,835 km (0.116 R)
• M10: 6,158,795 km (0.109 R)
• M11: 9,056,505 km (0.095 R)
• M12: 10,503,416 km (0.062 R)
• M13: 11,281,774 km (0.058 R)
• M14: 12,619,029 km (0.064 R)
• M15: 18,426,269 km (0.119 R)
• M16: 20,822,677 km (0.098 R)
• M17: 23,821,067 km (0.048 R)
• M18: 32,238,940 km (0.084 R)
• M19: 34,002,848 km (0.055 R)
• M20: 41,702,650 km (0.119 R)
• M21: 43,946,170 km (0.093 R)
• M22: 54,250,022 km (0.086 R)
• M23: 54,953,731 km (0.1 R)
• M24: 58,012,558 km (0.114 R)
• M25: 60,993,445 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 12,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit