🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.83 AU - 1.01 AU

Year: 334 Days

Day: 41.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.19 AU - 1.73 AU

Year: 668 Days

Day: 45.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.43 AU - 1.63 AU

Year: 717 Days

Day: 17.3 Hours

Environment

Temp: -62 °C

Axial Tilt: 64.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.77 AU - 1.91 AU

Year: 945 Days

Day: 24.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.44 AU - 3.34 AU

Year: 1861 Days

Day: 42.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,499,668 km

• M1: 911,949 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.5

Radius: 10.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.16 AU - 6.94 AU

Year: 6349 Days

Day: 11.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,499,668 km

• M1: 133,142 km (0.101 R)
• M2: 575,653 km (0.119 R)
• M3: 1,198,728 km (0.111 R)
• M4: 2,006,407 km (0.099 R)
• M5: 3,025,767 km (0.104 R)
• M6: 3,454,963 km (0.053 R)
• M7: 5,805,893 km (0.086 R)
• M8: 6,406,379 km (0.082 R)
• M9: 7,584,163 km (0.091 R)
• M10: 8,263,487 km (0.117 R)
• M11: 9,315,609 km (0.118 R)
• M12: 10,318,962 km (0.11 R)
• M13: 10,823,556 km (0.11 R)
• M14: 12,746,487 km (0.036 R)
• M15: 18,034,921 km (0.083 R)
• M16: 20,795,151 km (0.097 R)
• M17: 23,353,125 km (0.092 R)
• M18: 25,280,544 km (0.099 R)
• M19: 26,283,000 km (0.116 R)
• M20: 29,176,222 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 9.9

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 10.84 AU - 12.14 AU

Year: 14751 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,499,668 km

• M1: 123,119 km (0.114 R)
• M2: 447,896 km (0.117 R)
• M3: 790,924 km (0.046 R)
• M4: 1,684,622 km (0.108 R)
• M5: 2,217,040 km (0.106 R)
• M6: 2,698,446 km (0.108 R)
• M7: 4,509,179 km (0.05 R)
• M8: 6,030,739 km (0.078 R)
• M9: 8,104,614 km (0.078 R)
• M10: 9,095,102 km (0.086 R)
• M11: 9,835,013 km (0.066 R)
• M12: 11,137,113 km (0.038 R)
• M13: 14,499,026 km (0.032 R)
• M14: 18,400,837 km (0.101 R)
• M15: 19,843,110 km (0.099 R)
• M16: 21,086,418 km (0.043 R)
• M17: 25,743,849 km (0.093 R)
• M18: 32,596,478 km (0.103 R)
• M19: 34,956,534 km (0.081 R)
• M20: 41,994,217 km (0.112 R)
• M21: 45,236,451 km (0.116 R)
• M22: 45,691,079 km (0.107 R)
• M23: 48,800,471 km (0.109 R)
• M24: 53,049,948 km (0.084 R)
• M25: 53,555,589 km (0.1 R)
• M26: 55,437,381 km (0.077 R)
• M27: 57,362,705 km (0.094 R)
• M28: 58,970,733 km (0.09 R)
• M29: 62,089,848 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 753.6

Radius: 5

Gravity: 30.14 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 15.3 AU - 15.7 AU

Year: 23112 Days

Day: 20.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 86,499,668 km

• M1: 127,308 km (0.11 R)
• M2: 299,345 km (0.054 R)
• M3: 486,791 km (0.095 R)
• M4: 796,010 km (0.108 R)
• M5: 957,726 km (0.077 R)
• M6: 1,183,918 km (0.094 R)
• M7: 1,478,625 km (0.107 R)
• M8: 1,980,077 km (0.088 R)
• M9: 2,514,591 km (0.069 R)
• M10: 2,815,582 km (0.118 R)
• M11: 4,028,222 km (0.107 R)
• M12: 4,656,982 km (0.077 R)
• M13: 5,308,780 km (0.106 R)
• M14: 7,730,620 km (0.08 R)
• M15: 7,886,351 km (0.089 R)
• M16: 8,258,102 km (0.067 R)
• M17: 10,356,511 km (0.095 R)
• M18: 10,997,089 km (0.082 R)
• M19: 15,160,847 km (0.032 R)
• M20: 15,487,269 km (0.093 R)
• M21: 20,365,057 km (0.086 R)
• M22: 21,063,979 km (0.058 R)
• M23: 21,266,534 km (0.072 R)
• M24: 23,364,495 km (0.065 R)
• M25: 27,723,328 km (0.117 R)
• M26: 34,805,441 km (0.056 R)
• M27: 36,820,524 km (0.103 R)
• M28: 42,517,660 km (0.103 R)
• M29: 45,153,125 km (0.048 R)
• M30: 49,486,078 km (0.063 R)
• M31: 51,477,226 km (0.066 R)
• M32: 52,029,391 km (0.059 R)
• M33: 52,585,596 km (0.106 R)
• M34: 52,771,846 km (0.068 R)
• M35: 53,333,137 km (0.104 R)
• M36: 53,898,617 km (0.118 R)
• M37: 56,394,807 km (0.108 R)
• M38: 65,845,353 km (0.071 R)
• M39: 70,943,200 km (0.056 R)
• M40: 76,297,756 km (0.081 R)
• M41: 80,177,577 km (0.067 R)
• M42: 82,668,083 km (0.112 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 14,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit