🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.43 AU - 0.71 AU

Year: 181 Days

Day: 26.5 Hours

Environment

Temp: 143 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 75,376,523 km

• M1: 41,588 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.66 AU - 0.98 AU

Year: 313 Days

Day: 21.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.94 AU - 1.22 AU

Year: 473 Days

Day: 17 Hours

Environment

Temp: -47 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.12 AU - 1.58 AU

Year: 662 Days

Day: 13.8 Hours

Environment

Temp: -78 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 75,376,523 km

• M1: 496,067 km (0.079 R)
• M2: 1,000,660 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.33 AU - 1.65 AU

Year: 767 Days

Day: 20.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.5

Radius: 9.3

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.07 AU - 4.05 AU

Year: 2833 Days

Day: 9.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,376,523 km

• M1: 115,639 km (0.064 R)
• M2: 495,917 km (0.1 R)
• M3: 1,197,531 km (0.044 R)
• M4: 1,855,762 km (0.116 R)
• M5: 2,190,861 km (0.092 R)
• M6: 4,679,571 km (0.032 R)
• M7: 5,034,716 km (0.086 R)
• M8: 5,331,818 km (0.07 R)
• M9: 5,666,917 km (0.108 R)
• M10: 7,305,612 km (0.113 R)
• M11: 8,183,004 km (0.102 R)
• M12: 8,525,283 km (0.09 R)
• M13: 9,129,210 km (0.066 R)
• M14: 12,539,892 km (0.074 R)
• M15: 13,509,286 km (0.109 R)
• M16: 14,979,983 km (0.089 R)
• M17: 15,441,193 km (0.106 R)
• M18: 17,158,427 km (0.114 R)
• M19: 17,663,469 km (0.108 R)
• M20: 18,939,988 km (0.047 R)
• M21: 19,844,756 km (0.086 R)
• M22: 21,675,535 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.4

Radius: 11.1

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.2 AU - 4.52 AU

Year: 3840 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,376,523 km

• M1: 138,228 km (0.085 R)
• M2: 519,703 km (0.049 R)
• M3: 991,535 km (0.025 R)
• M4: 1,346,082 km (0.119 R)
• M5: 1,998,777 km (0.074 R)
• M6: 2,513,543 km (0.115 R)
• M7: 2,923,890 km (0.104 R)
• M8: 4,280,294 km (0.083 R)
• M9: 4,707,247 km (0.092 R)
• M10: 5,141,080 km (0.068 R)
• M11: 9,801,952 km (0.093 R)
• M12: 10,933,061 km (0.092 R)
• M13: 13,008,582 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.8

Radius: 12

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.87 AU - 6.17 AU

Year: 4744 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,376,523 km

• M1: 149,448 km (0.118 R)
• M2: 562,787 km (0.119 R)
• M3: 967,150 km (0.046 R)
• M4: 1,403,976 km (0.096 R)
• M5: 2,016,131 km (0.065 R)
• M6: 2,729,712 km (0.054 R)
• M7: 3,605,159 km (0.051 R)
• M8: 4,027,474 km (0.075 R)
• M9: 4,761,999 km (0.111 R)
• M10: 5,384,177 km (0.053 R)
• M11: 7,025,116 km (0.093 R)
• M12: 8,240,150 km (0.088 R)
• M13: 8,897,932 km (0.057 R)
• M14: 9,342,088 km (0.111 R)
• M15: 10,274,831 km (0.073 R)
• M16: 12,030,810 km (0.075 R)
• M17: 14,304,698 km (0.032 R)
• M18: 18,361,643 km (0.116 R)
• M19: 19,551,993 km (0.094 R)
• M20: 20,933,978 km (0.054 R)
• M21: 22,380,290 km (0.097 R)
• M22: 22,901,938 km (0.079 R)
• M23: 24,358,572 km (0.094 R)
• M24: 25,794,862 km (0.119 R)
• M25: 29,990,035 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.2

Radius: 3.6

Gravity: 68.23 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 11.26 AU - 12.58 AU

Year: 17357 Days

Day: 24.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,376,523 km

• M1: 45,029 km (0.107 R)
• M2: 226,042 km (0.091 R)
• M3: 414,835 km (0.12 R)
• M4: 620,682 km (0.105 R)
• M5: 846,874 km (0.076 R)
• M6: 1,099,245 km (0.108 R)
• M7: 1,368,821 km (0.077 R)
• M8: 1,920,238 km (0.093 R)
• M9: 2,376,961 km (0.09 R)
• M10: 2,752,002 km (0.088 R)
• M11: 2,953,660 km (0.117 R)
• M12: 3,274,548 km (0.107 R)
• M13: 3,472,316 km (0.063 R)
• M14: 4,211,030 km (0.095 R)
• M15: 4,617,338 km (0.09 R)
• M16: 6,034,180 km (0.107 R)
• M17: 6,863,700 km (0.116 R)
• M18: 8,169,241 km (0.114 R)
• M19: 9,237,070 km (0.078 R)
• M20: 12,306,669 km (0.078 R)
• M21: 13,345,177 km (0.102 R)
• M22: 15,281,572 km (0.057 R)
• M23: 20,447,635 km (0.04 R)
• M24: 25,007,678 km (0.054 R)
• M25: 26,893,060 km (0.091 R)
• M26: 27,350,081 km (0.045 R)
• M27: 29,350,055 km (0.119 R)
• M28: 35,110,471 km (0.093 R)
• M29: 39,196,138 km (0.096 R)
• M30: 44,534,987 km (0.102 R)
• M31: 45,013,850 km (0.086 R)
• M32: 46,799,450 km (0.085 R)
• M33: 58,896,233 km (0.071 R)
• M34: 64,632,264 km (0.062 R)
• M35: 67,530,124 km (0.039 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 17,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit