🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.59 AU - 0.87 AU

Year: 230 Days

Day: 22.9 Hours

Environment

Temp: 145 °C

Axial Tilt: 45.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.5 AU - 2.22 AU

Year: 936 Days

Day: 43.3 Hours

Environment

Temp: -72 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.85 AU - 4.03 AU

Year: 2886 Days

Day: 22.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 12.5

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.93 AU - 6.49 AU

Year: 5034 Days

Day: 5.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,218,059 km

• M1: 158,424 km (0.119 R)
• M2: 904,170 km (0.117 R)
• M3: 1,479,673 km (0.116 R)
• M4: 2,624,246 km (0.071 R)
• M5: 3,230,117 km (0.05 R)
• M6: 4,503,046 km (0.059 R)
• M7: 5,765,951 km (0.07 R)
• M8: 7,152,573 km (0.076 R)
• M9: 9,019,405 km (0.067 R)
• M10: 9,412,698 km (0.119 R)
• M11: 11,738,795 km (0.12 R)
• M12: 20,439,557 km (0.025 R)
• M13: 22,960,730 km (0.073 R)
• M14: 25,137,229 km (0.04 R)
• M15: 27,447,918 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.1

Radius: 9.5

Gravity: 8.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.06 AU - 6.56 AU

Year: 5848 Days

Day: 10.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,218,059 km

• M1: 119,230 km (0.068 R)
• M2: 514,916 km (0.101 R)
• M3: 834,607 km (0.083 R)
• M4: 1,487,003 km (0.117 R)
• M5: 1,882,240 km (0.084 R)
• M6: 2,643,544 km (0.082 R)
• M7: 3,064,662 km (0.042 R)
• M8: 3,897,922 km (0.032 R)
• M9: 4,445,450 km (0.035 R)
• M10: 5,511,335 km (0.062 R)
• M11: 6,007,850 km (0.119 R)
• M12: 7,198,500 km (0.09 R)
• M13: 8,951,637 km (0.093 R)
• M14: 10,267,949 km (0.102 R)
• M15: 11,559,278 km (0.074 R)
• M16: 12,063,871 km (0.041 R)
• M17: 12,635,934 km (0.088 R)
• M18: 13,834,213 km (0.106 R)
• M19: 16,017,893 km (0.052 R)
• M20: 19,461,636 km (0.07 R)
• M21: 20,834,196 km (0.116 R)
• M22: 23,771,102 km (0.08 R)
• M23: 26,536,418 km (0.119 R)
• M24: 26,973,244 km (0.08 R)
• M25: 27,326,295 km (0.082 R)
• M26: 28,403,699 km (0.1 R)
• M27: 31,415,104 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.8

Radius: 10.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 11.18 AU - 12.4 AU

Year: 14936 Days

Day: 6.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,218,059 km

• M1: 126,859 km (0.08 R)
• M2: 632,201 km (0.09 R)
• M3: 1,080,545 km (0.103 R)
• M4: 1,447,210 km (0.098 R)
• M5: 1,864,588 km (0.105 R)
• M6: 2,192,806 km (0.065 R)
• M7: 3,649,739 km (0.086 R)
• M8: 4,613,598 km (0.094 R)
• M9: 6,327,840 km (0.047 R)
• M10: 6,795,633 km (0.092 R)
• M11: 9,192,789 km (0.119 R)
• M12: 10,689,516 km (0.035 R)
• M13: 14,893,216 km (0.111 R)
• M14: 15,442,539 km (0.095 R)
• M15: 17,700,121 km (0.107 R)
• M16: 18,083,690 km (0.1 R)
• M17: 20,419,661 km (0.111 R)
• M18: 22,143,477 km (0.116 R)
• M19: 22,949,959 km (0.1 R)
• M20: 26,075,358 km (0.062 R)
• M21: 28,309,901 km (0.06 R)
• M22: 28,834,990 km (0.045 R)
• M23: 33,272,810 km (0.114 R)
• M24: 39,434,597 km (0.074 R)
• M25: 41,287,217 km (0.114 R)
• M26: 51,583,141 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.6

Radius: 7.9

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 13.37 AU - 16.57 AU

Year: 21370 Days

Day: 18.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,218,059 km

• M1: 104,569 km (0.114 R)
• M2: 419,173 km (0.089 R)
• M3: 836,402 km (0.098 R)
• M4: 1,352,215 km (0.034 R)
• M5: 1,833,172 km (0.056 R)
• M6: 2,265,061 km (0.097 R)
• M7: 2,903,994 km (0.091 R)
• M8: 4,993,876 km (0.118 R)
• M9: 6,276,379 km (0.054 R)
• M10: 6,557,174 km (0.087 R)
• M11: 7,031,250 km (0.054 R)
• M12: 7,411,527 km (0.077 R)
• M13: 7,805,269 km (0.084 R)
• M14: 9,846,233 km (0.075 R)
• M15: 17,159,624 km (0.09 R)
• M16: 18,701,230 km (0.102 R)
• M17: 19,654,318 km (0.074 R)
• M18: 28,191,270 km (0.111 R)
• M19: 32,997,550 km (0.106 R)
• M20: 33,314,847 km (0.113 R)
• M21: 36,827,854 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 15,293 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit