🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.68 AU

Year: 187 Days

Day: 13.5 Hours

Environment

Temp: 31 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.54 AU - 2.3 AU

Year: 1153 Days

Day: 37.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.36 AU - 2.58 AU

Year: 1683 Days

Day: 32.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 11.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.64 AU - 2.72 AU

Year: 1902 Days

Day: 9 Hours

Environment

Temp: -128 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,516,939 km

• M1: 140,622 km (0.076 R)
• M2: 677,379 km (0.104 R)
• M3: 1,283,699 km (0.051 R)
• M4: 2,103,496 km (0.093 R)
• M5: 3,204,835 km (0.04 R)
• M6: 4,556,901 km (0.114 R)
• M7: 6,715,299 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 10.4

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.1 AU - 5.96 AU

Year: 4890 Days

Day: 6.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,516,939 km

• M1: 129,402 km (0.107 R)
• M2: 725,699 km (0.104 R)
• M3: 1,563,148 km (0.119 R)
• M4: 2,045,152 km (0.12 R)
• M5: 2,486,915 km (0.092 R)
• M6: 3,188,230 km (0.087 R)
• M7: 3,969,579 km (0.097 R)
• M8: 4,481,503 km (0.074 R)
• M9: 5,461,519 km (0.112 R)
• M10: 5,879,196 km (0.081 R)
• M11: 7,368,144 km (0.115 R)
• M12: 8,609,956 km (0.085 R)
• M13: 11,795,044 km (0.115 R)
• M14: 13,813,119 km (0.116 R)
• M15: 14,477,783 km (0.113 R)
• M16: 17,161,718 km (0.098 R)
• M17: 17,735,725 km (0.07 R)
• M18: 19,125,041 km (0.116 R)
• M19: 22,044,593 km (0.036 R)
• M20: 23,183,182 km (0.084 R)
• M21: 30,386,319 km (0.077 R)
• M22: 30,851,419 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.5

Radius: 10.6

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.28 AU - 6.64 AU

Year: 7117 Days

Day: 5.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,516,939 km

• M1: 131,945 km (0.114 R)
• M2: 480,508 km (0.037 R)
• M3: 905,965 km (0.057 R)
• M4: 1,396,347 km (0.113 R)
• M5: 2,405,384 km (0.073 R)
• M6: 2,753,798 km (0.062 R)
• M7: 4,501,550 km (0.109 R)
• M8: 4,925,061 km (0.097 R)
• M9: 5,433,095 km (0.113 R)
• M10: 6,228,657 km (0.049 R)
• M11: 8,359,529 km (0.094 R)
• M12: 9,376,795 km (0.101 R)
• M13: 10,520,171 km (0.119 R)
• M14: 13,188,249 km (0.107 R)
• M15: 14,793,285 km (0.096 R)
• M16: 18,056,613 km (0.071 R)
• M17: 19,750,808 km (0.102 R)
• M18: 21,474,625 km (0.102 R)
• M19: 22,449,105 km (0.12 R)
• M20: 23,688,673 km (0.054 R)
• M21: 24,165,142 km (0.094 R)
• M22: 28,925,047 km (0.078 R)
• M23: 31,143,734 km (0.088 R)
• M24: 32,586,605 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.7

Radius: 3.5

Gravity: 66.75 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.69 AU - 11.15 AU

Year: 15642 Days

Day: 19.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,516,939 km

• M1: 45,328 km (0.116 R)
• M2: 164,857 km (0.104 R)
• M3: 404,213 km (0.109 R)
• M4: 686,804 km (0.085 R)
• M5: 943,514 km (0.054 R)
• M6: 1,062,893 km (0.098 R)
• M7: 1,376,300 km (0.084 R)
• M8: 2,287,202 km (0.099 R)
• M9: 2,572,036 km (0.067 R)
• M10: 2,929,276 km (0.078 R)
• M11: 3,456,010 km (0.095 R)
• M12: 4,491,826 km (0.081 R)
• M13: 5,563,994 km (0.112 R)
• M14: 7,428,432 km (0.113 R)
• M15: 7,903,704 km (0.114 R)
• M16: 8,099,378 km (0.103 R)
• M17: 8,449,587 km (0.098 R)
• M18: 11,189,023 km (0.058 R)
• M19: 12,133,135 km (0.038 R)
• M20: 12,393,585 km (0.111 R)
• M21: 21,008,927 km (0.113 R)
• M22: 23,833,185 km (0.087 R)
• M23: 24,550,955 km (0.092 R)
• M24: 27,010,644 km (0.057 R)
• M25: 29,395,383 km (0.096 R)
• M26: 30,698,829 km (0.109 R)
• M27: 34,060,593 km (0.118 R)
• M28: 37,935,926 km (0.112 R)
• M29: 49,133,326 km (0.081 R)
• M30: 52,498,381 km (0.109 R)
• M31: 54,412,934 km (0.081 R)
• M32: 54,943,109 km (0.067 R)
• M33: 56,373,714 km (0.103 R)
• M34: 59,495,672 km (0.09 R)
• M35: 61,194,206 km (0.095 R)
• M36: 65,282,566 km (0.12 R)
• M37: 65,881,107 km (0.114 R)
• M38: 67,291,815 km (0.07 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 11,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit