🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.07 AU - 1.51 AU

Year: 543 Days

Day: 46.6 Hours

Environment

Temp: -8 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.3 AU - 1.58 AU

Year: 641 Days

Day: 29.5 Hours

Environment

Temp: -39 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,809,811 km

• M1: 69,264 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.05 AU - 2.53 AU

Year: 1285 Days

Day: 18.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,809,811 km

• M1: 91,554 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.82 AU - 2.86 AU

Year: 1775 Days

Day: 33.7 Hours

Environment

Temp: -97 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 14

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.02 AU - 6.54 AU

Year: 5153 Days

Day: 12.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,809,811 km

• M1: 174,132 km (0.119 R)
• M2: 664,514 km (0.045 R)
• M3: 1,200,224 km (0.114 R)
• M4: 1,770,042 km (0.085 R)
• M5: 2,257,581 km (0.114 R)
• M6: 2,986,273 km (0.081 R)
• M7: 3,746,230 km (0.077 R)
• M8: 5,365,477 km (0.084 R)
• M9: 6,317,967 km (0.091 R)
• M10: 8,107,008 km (0.054 R)
• M11: 10,094,266 km (0.116 R)
• M12: 11,719,048 km (0.097 R)
• M13: 12,297,693 km (0.084 R)
• M14: 13,083,082 km (0.088 R)
• M15: 13,950,899 km (0.088 R)
• M16: 15,115,219 km (0.074 R)
• M17: 17,350,211 km (0.092 R)
• M18: 20,812,505 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 8.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.77 AU - 11.83 AU

Year: 11377 Days

Day: 6.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,809,811 km

• M1: 111,002 km (0.059 R)
• M2: 406,607 km (0.044 R)
• M3: 894,894 km (0.052 R)
• M4: 1,278,015 km (0.071 R)
• M5: 2,044,405 km (0.043 R)
• M6: 2,665,984 km (0.08 R)
• M7: 3,597,829 km (0.099 R)
• M8: 4,862,679 km (0.099 R)
• M9: 5,269,286 km (0.062 R)
• M10: 11,503,478 km (0.095 R)
• M11: 12,775,808 km (0.046 R)
• M12: 13,551,174 km (0.076 R)
• M13: 15,309,696 km (0.092 R)
• M14: 17,652,250 km (0.076 R)
• M15: 29,865,719 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.6

Radius: 5.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.92 AU - 16.66 AU

Year: 18991 Days

Day: 21.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,809,811 km

• M1: 70,760 km (0.104 R)
• M2: 399,426 km (0.102 R)
• M3: 949,498 km (0.111 R)
• M4: 1,398,441 km (0.111 R)
• M5: 2,458,043 km (0.101 R)
• M6: 6,282,213 km (0.113 R)
• M7: 6,718,291 km (0.075 R)
• M8: 13,687,756 km (0.042 R)
• M9: 14,103,040 km (0.09 R)
• M10: 14,633,813 km (0.071 R)
• M11: 19,047,848 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.8

Radius: 4.9

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 16.68 AU - 18.1 AU

Year: 26894 Days

Day: 18.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,809,811 km

• M1: 62,382 km (0.112 R)
• M2: 234,420 km (0.117 R)
• M3: 463,005 km (0.099 R)
• M4: 642,074 km (0.105 R)
• M5: 804,089 km (0.11 R)
• M6: 969,993 km (0.025 R)
• M7: 1,213,239 km (0.038 R)
• M8: 1,732,493 km (0.1 R)
• M9: 1,935,048 km (0.057 R)
• M10: 4,075,794 km (0.097 R)
• M11: 4,368,707 km (0.119 R)
• M12: 4,710,388 km (0.118 R)
• M13: 8,578,989 km (0.114 R)
• M14: 9,334,907 km (0.114 R)
• M15: 9,843,839 km (0.117 R)
• M16: 15,752,955 km (0.032 R)
• M17: 16,392,336 km (0.077 R)
• M18: 16,965,745 km (0.066 R)
• M19: 20,407,842 km (0.055 R)
• M20: 23,661,596 km (0.039 R)
• M21: 23,869,238 km (0.113 R)
• M22: 24,393,578 km (0.086 R)
• M23: 26,905,177 km (0.095 R)
• M24: 29,463,749 km (0.06 R)
• M25: 29,704,153 km (0.116 R)
• M26: 32,948,781 km (0.042 R)
• M27: 35,328,584 km (0.054 R)
• M28: 38,964,561 km (0.112 R)
• M29: 39,837,614 km (0.051 R)
• M30: 41,925,551 km (0.093 R)
• M31: 45,351,941 km (0.118 R)
• M32: 49,976,909 km (0.106 R)
• M33: 52,755,689 km (0.1 R)
• M34: 61,315,530 km (0.03 R)
• M35: 67,577,996 km (0.096 R)
• M36: 71,402,764 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 18,996 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit