🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.97 AU - 1.03 AU

Year: 348 Days

Day: 41.1 Hours

Environment

Temp: 91 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,664,393 km

• M1: 608,415 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.99 AU - 1.07 AU

Year: 364 Days

Day: 30.8 Hours

Environment

Temp: 81 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,664,393 km

• M1: 288,275 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.63 AU - 4.39 AU

Year: 2796 Days

Day: 21.4 Hours

Environment

Temp: -104 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.28 AU - 4.7 AU

Year: 3313 Days

Day: 31.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.27 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 9.9

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.65 AU - 7.45 AU

Year: 5182 Days

Day: 5.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 96,664,393 km

• M1: 123,418 km (0.069 R)
• M2: 1,035,965 km (0.11 R)
• M3: 1,540,708 km (0.031 R)
• M4: 2,077,017 km (0.106 R)
• M5: 2,601,806 km (0.047 R)
• M6: 3,288,909 km (0.026 R)
• M7: 4,795,509 km (0.111 R)
• M8: 6,811,191 km (0.059 R)
• M9: 7,130,134 km (0.038 R)
• M10: 7,458,950 km (0.118 R)
• M11: 7,798,088 km (0.069 R)
• M12: 8,111,945 km (0.094 R)
• M13: 9,770,387 km (0.081 R)
• M14: 13,099,986 km (0.063 R)
• M15: 13,999,219 km (0.052 R)
• M16: 14,464,020 km (0.109 R)
• M17: 19,312,188 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 10.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6 AU - 8.2 AU

Year: 6588 Days

Day: 12.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,664,393 km

• M1: 135,685 km (0.106 R)
• M2: 694,733 km (0.078 R)
• M3: 1,065,436 km (0.103 R)
• M4: 1,469,051 km (0.068 R)
• M5: 1,843,495 km (0.092 R)
• M6: 4,594,300 km (0.115 R)
• M7: 6,415,505 km (0.042 R)
• M8: 7,459,249 km (0.054 R)
• M9: 11,570,797 km (0.104 R)
• M10: 14,170,210 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.4

Radius: 6.6

Gravity: 18.6 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 13.7 AU - 22.06 AU

Year: 26330 Days

Day: 16.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 96,664,393 km

• M1: 85,570 km (0.109 R)
• M2: 508,034 km (0.075 R)
• M3: 776,413 km (0.093 R)
• M4: 1,110,465 km (0.104 R)
• M5: 1,319,603 km (0.065 R)
• M6: 2,025,705 km (0.088 R)
• M7: 2,317,869 km (0.117 R)
• M8: 2,822,313 km (0.082 R)
• M9: 3,680,706 km (0.098 R)
• M10: 5,550,829 km (0.099 R)
• M11: 5,855,410 km (0.045 R)
• M12: 7,340,319 km (0.087 R)
• M13: 8,593,051 km (0.063 R)
• M14: 9,668,211 km (0.076 R)
• M15: 10,564,302 km (0.079 R)
• M16: 11,306,308 km (0.093 R)
• M17: 12,373,539 km (0.057 R)
• M18: 15,716,752 km (0.112 R)
• M19: 16,326,962 km (0.11 R)
• M20: 17,225,896 km (0.059 R)
• M21: 17,874,402 km (0.088 R)
• M22: 19,417,953 km (0.112 R)
• M23: 19,716,999 km (0.069 R)
• M24: 20,632,538 km (0.118 R)
• M25: 20,943,851 km (0.073 R)
• M26: 27,849,140 km (0.116 R)
• M27: 29,785,684 km (0.091 R)
• M28: 39,857,660 km (0.112 R)
• M29: 41,318,633 km (0.09 R)
• M30: 44,692,513 km (0.098 R)
• M31: 46,091,852 km (0.065 R)
• M32: 47,881,940 km (0.111 R)
• M33: 51,600,195 km (0.054 R)
• M34: 52,752,099 km (0.113 R)
• M35: 59,815,362 km (0.117 R)
• M36: 66,575,690 km (0.118 R)
• M37: 73,103,842 km (0.116 R)
• M38: 80,301,743 km (0.119 R)
• M39: 82,628,140 km (0.098 R)
• M40: 84,468,194 km (0.09 R)
• M41: 89,876,007 km (0.097 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 12,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit