🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.65 AU

Year: 288 Days

Day: 15.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,604,664 km

• M1: 91,703 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.4

Radius: 8.1

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.73 AU - 0.95 AU

Year: 489 Days

Day: 13.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,604,664 km

• M1: 100,979 km (0.084 R)
• M2: 399,875 km (0.087 R)
• M3: 696,677 km (0.086 R)
• M4: 956,230 km (0.114 R)
• M5: 1,219,971 km (0.116 R)
• M6: 2,007,753 km (0.101 R)
• M7: 3,109,541 km (0.099 R)
• M8: 4,514,565 km (0.061 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 14.7

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.63 AU - 2.03 AU

Year: 1574 Days

Day: 8.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,604,664 km

• M1: 182,958 km (0.073 R)
• M2: 660,175 km (0.11 R)
• M3: 1,118,543 km (0.111 R)
• M4: 2,108,881 km (0.101 R)
• M5: 3,811,604 km (0.09 R)
• M6: 4,363,919 km (0.095 R)
• M7: 5,743,361 km (0.088 R)
• M8: 7,263,575 km (0.103 R)
• M9: 8,436,722 km (0.063 R)
• M10: 9,161,972 km (0.111 R)
• M11: 9,636,197 km (0.071 R)
• M12: 11,372,729 km (0.09 R)
• M13: 13,592,014 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 12.6

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.62 AU - 2.54 AU

Year: 1907 Days

Day: 6.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,604,664 km

• M1: 165,006 km (0.067 R)
• M2: 647,310 km (0.094 R)
• M3: 1,109,268 km (0.04 R)
• M4: 1,659,190 km (0.065 R)
• M5: 2,296,028 km (0.055 R)
• M6: 4,442,159 km (0.081 R)
• M7: 6,603,848 km (0.075 R)
• M8: 7,479,295 km (0.106 R)
• M9: 7,930,034 km (0.098 R)
• M10: 8,494,765 km (0.109 R)
• M11: 9,704,863 km (0.084 R)
• M12: 11,375,422 km (0.107 R)
• M13: 12,717,165 km (0.119 R)
• M14: 13,448,250 km (0.106 R)
• M15: 15,422,792 km (0.1 R)
• M16: 16,554,949 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 9.5

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.46 AU - 2.94 AU

Year: 2821 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,604,664 km

• M1: 120,426 km (0.114 R)
• M2: 517,459 km (0.092 R)
• M3: 914,193 km (0.066 R)
• M4: 1,229,994 km (0.078 R)
• M5: 1,630,916 km (0.104 R)
• M6: 3,574,492 km (0.117 R)
• M7: 4,077,140 km (0.056 R)
• M8: 5,075,856 km (0.119 R)
• M9: 5,502,808 km (0.073 R)
• M10: 6,118,403 km (0.059 R)
• M11: 6,573,181 km (0.076 R)
• M12: 9,906,670 km (0.064 R)
• M13: 10,296,073 km (0.072 R)
• M14: 10,858,412 km (0.03 R)
• M15: 11,483,432 km (0.025 R)
• M16: 16,226,582 km (0.081 R)
• M17: 19,843,110 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.5

Radius: 12.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.17 AU - 3.49 AU

Year: 3027 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,604,664 km

• M1: 154,235 km (0.107 R)
• M2: 637,586 km (0.109 R)
• M3: 1,497,475 km (0.069 R)
• M4: 2,669,574 km (0.05 R)
• M5: 3,188,080 km (0.086 R)
• M6: 5,273,774 km (0.092 R)
• M7: 7,329,548 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641

Radius: 5

Gravity: 25.64 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.84 AU - 7.64 AU

Year: 9911 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,604,664 km

• M1: 62,233 km (0.09 R)
• M2: 225,594 km (0.032 R)
• M3: 401,969 km (0.098 R)
• M4: 650,900 km (0.117 R)
• M5: 842,984 km (0.068 R)
• M6: 1,221,018 km (0.103 R)
• M7: 1,489,396 km (0.065 R)
• M8: 1,907,672 km (0.076 R)
• M9: 3,040,876 km (0.077 R)
• M10: 3,762,686 km (0.111 R)
• M11: 6,531,144 km (0.119 R)
• M12: 6,796,979 km (0.111 R)
• M13: 7,309,801 km (0.115 R)
• M14: 7,554,992 km (0.072 R)
• M15: 8,864,272 km (0.12 R)
• M16: 10,165,774 km (0.076 R)
• M17: 11,867,001 km (0.087 R)
• M18: 12,551,261 km (0.103 R)
• M19: 12,785,083 km (0.114 R)
• M20: 13,201,115 km (0.066 R)
• M21: 15,087,394 km (0.053 R)
• M22: 16,301,530 km (0.113 R)
• M23: 16,720,255 km (0.109 R)
• M24: 19,697,252 km (0.117 R)
• M25: 23,271,894 km (0.066 R)
• M26: 24,071,045 km (0.1 R)
• M27: 26,291,676 km (0.117 R)
• M28: 28,746,128 km (0.025 R)
• M29: 32,214,106 km (0.101 R)
• M30: 33,653,537 km (0.116 R)
• M31: 35,599,805 km (0.082 R)
• M32: 42,147,405 km (0.078 R)
• M33: 44,677,105 km (0.074 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 19,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit