🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.1 AU - 1.4 AU

Year: 498 Days

Day: 19.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.95 AU - 3.31 AU

Year: 1974 Days

Day: 25 Hours

Environment

Temp: -109 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 52,066,000 km

• M1: 1,768,995 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.96 AU - 9.14 AU

Year: 7395 Days

Day: 6.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,066,000 km

• M1: 99,483 km (0.057 R)
• M2: 356,193 km (0.101 R)
• M3: 779,704 km (0.081 R)
• M4: 1,205,160 km (0.101 R)
• M5: 1,583,194 km (0.053 R)
• M6: 1,837,810 km (0.096 R)
• M7: 4,308,867 km (0.037 R)
• M8: 5,509,390 km (0.09 R)
• M9: 6,342,800 km (0.108 R)
• M10: 11,131,278 km (0.112 R)
• M11: 19,045,155 km (0.08 R)
• M12: 20,857,833 km (0.105 R)
• M13: 21,566,328 km (0.093 R)
• M14: 22,209,599 km (0.072 R)
• M15: 27,167,572 km (0.107 R)
• M16: 31,158,394 km (0.101 R)
• M17: 35,634,811 km (0.071 R)
• M18: 39,201,075 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.5

Radius: 11.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 9.41 AU - 13.57 AU

Year: 13883 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,066,000 km

• M1: 144,362 km (0.098 R)
• M2: 690,095 km (0.08 R)
• M3: 1,814,772 km (0.057 R)
• M4: 2,390,424 km (0.079 R)
• M5: 2,960,691 km (0.106 R)
• M6: 3,503,732 km (0.09 R)
• M7: 4,190,236 km (0.083 R)
• M8: 6,474,895 km (0.066 R)
• M9: 7,016,290 km (0.101 R)
• M10: 7,705,487 km (0.111 R)
• M11: 8,694,179 km (0.101 R)
• M12: 10,478,433 km (0.062 R)
• M13: 11,638,714 km (0.077 R)
• M14: 12,008,371 km (0.054 R)
• M15: 17,078,991 km (0.097 R)
• M16: 20,768,672 km (0.065 R)
• M17: 21,156,879 km (0.113 R)
• M18: 28,711,721 km (0.046 R)
• M19: 31,480,778 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.7

Radius: 5.1

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 11.04 AU - 16.62 AU

Year: 18333 Days

Day: 21.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,066,000 km

• M1: 63,429 km (0.046 R)
• M2: 799,750 km (0.119 R)
• M3: 1,021,454 km (0.077 R)
• M4: 2,030,342 km (0.067 R)
• M5: 3,681,155 km (0.071 R)
• M6: 5,080,942 km (0.032 R)
• M7: 5,384,626 km (0.055 R)
• M8: 6,563,158 km (0.105 R)
• M9: 7,639,814 km (0.116 R)
• M10: 9,979,973 km (0.098 R)
• M11: 13,319,147 km (0.108 R)
• M12: 14,895,161 km (0.089 R)
• M13: 15,377,315 km (0.102 R)
• M14: 15,727,972 km (0.055 R)
• M15: 22,896,702 km (0.102 R)
• M16: 23,724,128 km (0.093 R)
• M17: 25,536,057 km (0.076 R)
• M18: 25,830,316 km (0.057 R)
• M19: 36,362,904 km (0.061 R)
• M20: 41,002,682 km (0.038 R)
• M21: 44,872,779 km (0.103 R)
• M22: 51,435,189 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.9

Radius: 3.2

Gravity: 13.66 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 16.21 AU - 17.85 AU

Year: 25051 Days

Day: 23.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,066,000 km

• M1: 40,092 km (0.086 R)
• M2: 245,041 km (0.057 R)
• M3: 413,788 km (0.027 R)
• M4: 571,464 km (0.113 R)
• M5: 1,007,990 km (0.089 R)
• M6: 1,444,517 km (0.093 R)
• M7: 1,665,922 km (0.081 R)
• M8: 2,232,449 km (0.044 R)
• M9: 3,394,525 km (0.062 R)
• M10: 3,599,325 km (0.108 R)
• M11: 4,381,572 km (0.114 R)
• M12: 5,829,530 km (0.09 R)
• M13: 6,426,725 km (0.09 R)
• M14: 6,543,112 km (0.073 R)
• M15: 6,660,845 km (0.114 R)
• M16: 13,173,140 km (0.081 R)
• M17: 14,130,566 km (0.112 R)
• M18: 15,687,282 km (0.065 R)
• M19: 16,326,364 km (0.09 R)
• M20: 17,279,900 km (0.102 R)
• M21: 19,865,849 km (0.1 R)
• M22: 21,725,949 km (0.087 R)
• M23: 26,877,501 km (0.06 R)
• M24: 34,181,169 km (0.101 R)
• M25: 35,615,214 km (0.058 R)
• M26: 37,088,753 km (0.114 R)
• M27: 45,353,736 km (0.094 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 14,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit