🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.96 AU - 1.3 AU

Year: 428 Days

Day: 47.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.4

Radius: 0.69

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.33 AU - 1.79 AU

Year: 695 Days

Day: 24.1 Hours

Environment

Temp: -32 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.57 AU - 1.73 AU

Year: 755 Days

Day: 19.2 Hours

Environment

Temp: -36 °C

Axial Tilt: 66.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,839,981 km

• M1: 579,542 km (0.056 R)
• M2: 764,296 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.79 AU - 2.05 AU

Year: 948 Days

Day: 40.1 Hours

Environment

Temp: -59 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.61 AU - 4.43 AU

Year: 2873 Days

Day: 47.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 11.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.07 AU - 6.41 AU

Year: 4902 Days

Day: 8.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,839,981 km

• M1: 167,250 km (0.105 R)
• M2: 575,952 km (0.046 R)
• M3: 1,006,644 km (0.051 R)
• M4: 1,469,201 km (0.087 R)
• M5: 1,886,878 km (0.096 R)
• M6: 2,356,017 km (0.05 R)
• M7: 2,902,647 km (0.06 R)
• M8: 3,840,925 km (0.093 R)
• M9: 4,900,377 km (0.118 R)
• M10: 5,360,241 km (0.08 R)
• M11: 5,928,713 km (0.093 R)
• M12: 6,451,558 km (0.105 R)
• M13: 7,527,017 km (0.083 R)
• M14: 8,858,139 km (0.107 R)
• M15: 11,767,518 km (0.113 R)
• M16: 13,046,430 km (0.05 R)
• M17: 13,743,108 km (0.088 R)
• M18: 15,568,202 km (0.099 R)
• M19: 18,862,945 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 14.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.28 AU - 12.82 AU

Year: 14910 Days

Day: 11 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,839,981 km

• M1: 181,612 km (0.105 R)
• M2: 818,450 km (0.071 R)
• M3: 1,640,939 km (0.106 R)
• M4: 2,438,595 km (0.12 R)
• M5: 4,139,373 km (0.113 R)
• M6: 5,310,575 km (0.092 R)
• M7: 5,807,689 km (0.076 R)
• M8: 7,844,015 km (0.107 R)
• M9: 11,098,816 km (0.101 R)
• M10: 12,035,747 km (0.111 R)
• M11: 15,235,346 km (0.09 R)
• M12: 16,318,884 km (0.1 R)
• M13: 19,710,267 km (0.085 R)
• M14: 21,615,696 km (0.058 R)
• M15: 22,705,366 km (0.12 R)
• M16: 26,194,587 km (0.057 R)
• M17: 27,119,850 km (0.104 R)
• M18: 34,584,036 km (0.107 R)
• M19: 35,323,947 km (0.092 R)
• M20: 39,449,258 km (0.05 R)
• M21: 39,986,464 km (0.113 R)
• M22: 41,489,324 km (0.113 R)
• M23: 42,605,623 km (0.111 R)
• M24: 45,926,846 km (0.093 R)
• M25: 50,988,340 km (0.077 R)
• M26: 57,435,260 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.1

Radius: 3.8

Gravity: 56.17 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 12.19 AU - 13.97 AU

Year: 16862 Days

Day: 24.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,839,981 km

• M1: 47,273 km (0.096 R)
• M2: 171,290 km (0.101 R)
• M3: 445,353 km (0.114 R)
• M4: 702,661 km (0.094 R)
• M5: 2,186,074 km (0.108 R)
• M6: 2,511,748 km (0.112 R)
• M7: 3,596,034 km (0.108 R)
• M8: 3,924,850 km (0.102 R)
• M9: 5,835,364 km (0.095 R)
• M10: 6,459,337 km (0.057 R)
• M11: 7,888,146 km (0.112 R)
• M12: 9,183,813 km (0.117 R)
• M13: 9,459,073 km (0.112 R)
• M14: 10,495,338 km (0.086 R)
• M15: 11,478,046 km (0.065 R)
• M16: 11,605,055 km (0.048 R)
• M17: 15,554,439 km (0.12 R)
• M18: 18,691,356 km (0.098 R)
• M19: 23,021,916 km (0.102 R)
• M20: 23,940,746 km (0.089 R)
• M21: 24,252,358 km (0.106 R)
• M22: 24,461,645 km (0.089 R)
• M23: 28,553,596 km (0.076 R)
• M24: 32,314,935 km (0.047 R)
• M25: 33,079,081 km (0.08 R)
• M26: 34,379,386 km (0.072 R)
• M27: 37,359,226 km (0.095 R)
• M28: 39,342,594 km (0.095 R)
• M29: 47,486,254 km (0.071 R)
• M30: 49,979,601 km (0.065 R)
• M31: 56,867,835 km (0.079 R)
• M32: 58,167,542 km (0.111 R)
• M33: 59,677,134 km (0.117 R)
• M34: 66,793,953 km (0.071 R)
• M35: 66,999,351 km (0.042 R)
• M36: 67,617,938 km (0.028 R)
• M37: 70,130,734 km (0.096 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 17,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit