🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.45 AU - 0.61 AU

Year: 143 Days

Day: 19.4 Hours

Environment

Temp: 223 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.48 AU - 0.7 AU

Year: 168 Days

Day: 31.7 Hours

Environment

Temp: 169 °C

Axial Tilt: 34.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.8 AU - 1.18 AU

Year: 365 Days

Day: 16.2 Hours

Environment

Temp: 38 °C

Axial Tilt: 25.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.89 AU - 1.17 AU

Year: 388 Days

Day: 17.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.7 AU - 1.82 AU

Year: 866 Days

Day: 14.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,200,395 km

• M1: 82,728 km (0.091 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.85 AU - 3.27 AU

Year: 1985 Days

Day: 46.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466

Radius: 11.6

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 6.89 AU - 10.87 AU

Year: 9813 Days

Day: 9.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,200,395 km

• M1: 144,362 km (0.108 R)
• M2: 574,007 km (0.096 R)
• M3: 1,124,976 km (0.067 R)
• M4: 1,568,384 km (0.105 R)
• M5: 2,015,981 km (0.066 R)
• M6: 2,643,245 km (0.106 R)
• M7: 4,103,918 km (0.032 R)
• M8: 4,935,982 km (0.066 R)
• M9: 5,392,554 km (0.091 R)
• M10: 6,532,789 km (0.081 R)
• M11: 7,469,122 km (0.11 R)
• M12: 9,285,839 km (0.08 R)
• M13: 9,700,524 km (0.119 R)
• M14: 10,419,342 km (0.102 R)
• M15: 10,918,101 km (0.107 R)
• M16: 11,802,374 km (0.114 R)
• M17: 13,131,551 km (0.1 R)
• M18: 13,595,903 km (0.1 R)
• M19: 16,819,588 km (0.037 R)
• M20: 17,367,864 km (0.035 R)
• M21: 17,998,718 km (0.04 R)
• M22: 19,907,587 km (0.047 R)
• M23: 20,443,746 km (0.12 R)
• M24: 24,470,920 km (0.065 R)
• M25: 25,086,366 km (0.066 R)
• M26: 25,983,505 km (0.078 R)
• M27: 26,440,077 km (0.119 R)
• M28: 27,181,634 km (0.057 R)
• M29: 27,936,954 km (0.083 R)
• M30: 31,613,920 km (0.115 R)
• M31: 32,449,274 km (0.078 R)
• M32: 40,398,606 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 10.6

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.09 AU - 10.63 AU

Year: 12366 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,200,395 km

• M1: 131,945 km (0.07 R)
• M2: 537,655 km (0.059 R)
• M3: 1,523,056 km (0.08 R)
• M4: 2,004,611 km (0.115 R)
• M5: 2,940,645 km (0.12 R)
• M6: 3,943,699 km (0.119 R)
• M7: 6,063,351 km (0.092 R)
• M8: 8,179,862 km (0.098 R)
• M9: 9,353,457 km (0.106 R)
• M10: 11,261,578 km (0.096 R)
• M11: 11,911,431 km (0.033 R)
• M12: 14,079,104 km (0.077 R)
• M13: 16,125,753 km (0.119 R)
• M14: 17,648,061 km (0.086 R)
• M15: 19,098,113 km (0.085 R)
• M16: 19,598,667 km (0.113 R)
• M17: 24,701,451 km (0.069 R)
• M18: 25,697,473 km (0.118 R)
• M19: 26,205,358 km (0.097 R)
• M20: 33,192,177 km (0.096 R)
• M21: 34,159,627 km (0.1 R)
• M22: 35,270,540 km (0.062 R)
• M23: 36,788,959 km (0.107 R)
• M24: 42,588,270 km (0.114 R)
• M25: 47,583,941 km (0.12 R)
• M26: 48,042,758 km (0.092 R)
• M27: 48,658,951 km (0.112 R)
• M28: 49,593,190 km (0.081 R)
• M29: 50,857,292 km (0.076 R)
• M30: 56,984,522 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.3

Radius: 4.5

Gravity: 36.36 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 10.53 AU - 14.45 AU

Year: 16370 Days

Day: 17.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,200,395 km

• M1: 55,950 km (0.106 R)
• M2: 223,649 km (0.108 R)
• M3: 1,082,789 km (0.109 R)
• M4: 1,551,928 km (0.069 R)
• M5: 2,288,847 km (0.114 R)
• M6: 4,160,766 km (0.056 R)
• M7: 4,384,564 km (0.104 R)
• M8: 4,684,209 km (0.107 R)
• M9: 5,068,675 km (0.029 R)
• M10: 7,830,102 km (0.077 R)
• M11: 8,371,198 km (0.057 R)
• M12: 10,966,122 km (0.112 R)
• M13: 12,742,298 km (0.057 R)
• M14: 16,612,993 km (0.091 R)
• M15: 17,752,630 km (0.117 R)
• M16: 18,512,138 km (0.063 R)
• M17: 22,344,836 km (0.107 R)
• M18: 23,329,489 km (0.115 R)
• M19: 23,934,014 km (0.057 R)
• M20: 28,689,580 km (0.03 R)
• M21: 29,035,002 km (0.106 R)
• M22: 38,181,117 km (0.116 R)
• M23: 39,444,022 km (0.079 R)
• M24: 45,239,443 km (0.064 R)
• M25: 45,707,385 km (0.109 R)
• M26: 49,238,194 km (0.088 R)
• M27: 49,567,908 km (0.088 R)
• M28: 50,398,625 km (0.069 R)
• M29: 53,465,980 km (0.118 R)
• M30: 54,691,785 km (0.062 R)
• M31: 61,674,265 km (0.033 R)
• M32: 62,828,413 km (0.097 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 13,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit