🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.5 AU - 1.82 AU

Year: 766 Days

Day: 43.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.77 AU - 2.43 AU

Year: 1090 Days

Day: 38.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.7 AU - 2.64 AU

Year: 1145 Days

Day: 36.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.6

Radius: 11.7

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.19 AU - 5.99 AU

Year: 4734 Days

Day: 6.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,250,983 km

• M1: 147,055 km (0.1 R)
• M2: 604,076 km (0.054 R)
• M3: 1,308,383 km (0.102 R)
• M4: 1,996,982 km (0.116 R)
• M5: 2,520,275 km (0.082 R)
• M6: 2,927,182 km (0.086 R)
• M7: 4,015,207 km (0.107 R)
• M8: 4,626,015 km (0.112 R)
• M9: 5,767,746 km (0.088 R)
• M10: 9,533,723 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 12.1

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.75 AU - 7.13 AU

Year: 5853 Days

Day: 12 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,250,983 km

• M1: 150,495 km (0.112 R)
• M2: 748,588 km (0.075 R)
• M3: 1,372,710 km (0.041 R)
• M4: 2,901,002 km (0.117 R)
• M5: 3,461,545 km (0.065 R)
• M6: 4,565,278 km (0.104 R)
• M7: 5,269,735 km (0.066 R)
• M8: 5,648,367 km (0.089 R)
• M9: 6,202,926 km (0.11 R)
• M10: 7,278,535 km (0.091 R)
• M11: 8,752,971 km (0.087 R)
• M12: 10,104,439 km (0.09 R)
• M13: 12,745,589 km (0.095 R)
• M14: 16,547,320 km (0.103 R)
• M15: 17,879,489 km (0.076 R)
• M16: 19,213,752 km (0.104 R)
• M17: 19,905,193 km (0.099 R)
• M18: 20,327,957 km (0.083 R)
• M19: 23,850,389 km (0.109 R)
• M20: 26,131,906 km (0.095 R)
• M21: 26,639,192 km (0.112 R)
• M22: 28,644,551 km (0.11 R)
• M23: 31,409,120 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 14.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.79 AU - 8.71 AU

Year: 8487 Days

Day: 12.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,250,983 km

• M1: 176,675 km (0.06 R)
• M2: 862,282 km (0.101 R)
• M3: 1,325,587 km (0.112 R)
• M4: 1,945,221 km (0.111 R)
• M5: 2,674,810 km (0.081 R)
• M6: 3,961,651 km (0.069 R)
• M7: 4,425,255 km (0.115 R)
• M8: 5,934,996 km (0.085 R)
• M9: 8,541,290 km (0.104 R)
• M10: 9,463,113 km (0.108 R)
• M11: 11,450,520 km (0.071 R)
• M12: 12,804,231 km (0.106 R)
• M13: 13,338,595 km (0.108 R)
• M14: 14,199,381 km (0.052 R)
• M15: 17,147,506 km (0.108 R)
• M16: 19,069,839 km (0.101 R)
• M17: 19,611,084 km (0.114 R)
• M18: 23,427,027 km (0.077 R)
• M19: 25,230,878 km (0.057 R)
• M20: 28,910,836 km (0.099 R)
• M21: 29,420,366 km (0.074 R)
• M22: 32,275,741 km (0.101 R)
• M23: 33,490,326 km (0.115 R)
• M24: 36,010,751 km (0.073 R)
• M25: 38,287,181 km (0.09 R)
• M26: 40,151,021 km (0.076 R)
• M27: 42,335,599 km (0.1 R)
• M28: 44,328,093 km (0.041 R)
• M29: 45,828,560 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 12

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.58 AU - 12.5 AU

Year: 12256 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,250,983 km

• M1: 149,299 km (0.113 R)
• M2: 757,713 km (0.107 R)
• M3: 1,298,210 km (0.099 R)
• M4: 1,725,462 km (0.086 R)
• M5: 2,625,443 km (0.076 R)
• M6: 3,046,710 km (0.031 R)
• M7: 4,831,263 km (0.113 R)
• M8: 5,402,727 km (0.119 R)
• M9: 7,270,008 km (0.03 R)
• M10: 8,687,448 km (0.09 R)
• M11: 10,487,409 km (0.103 R)
• M12: 11,949,280 km (0.119 R)
• M13: 14,423,030 km (0.09 R)
• M14: 15,677,857 km (0.088 R)
• M15: 16,088,952 km (0.084 R)
• M16: 17,365,321 km (0.073 R)
• M17: 20,442,100 km (0.086 R)
• M18: 25,807,278 km (0.108 R)
• M19: 30,638,093 km (0.094 R)
• M20: 34,288,580 km (0.108 R)
• M21: 36,158,853 km (0.116 R)
• M22: 43,914,754 km (0.072 R)
• M23: 44,595,724 km (0.083 R)
• M24: 45,007,716 km (0.106 R)
• M25: 46,118,780 km (0.096 R)

Kuiper Belt

Range: 30.6 - 52.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 14,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit