🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.6 AU - 0.82 AU

Year: 213 Days

Day: 45.7 Hours

Environment

Temp: 133 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.98 AU - 1.18 AU

Year: 400 Days

Day: 36.7 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.03 AU - 1.53 AU

Year: 516 Days

Day: 22.3 Hours

Environment

Temp: 12 °C

Axial Tilt: 171 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.3 AU - 3.84 AU

Year: 2404 Days

Day: 29 Hours

Environment

Temp: -118 °C

Axial Tilt: 11 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.75 AU - 4.81 AU

Year: 3156 Days

Day: 34.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,408,974 km

• M1: 585,077 km (0.114 R)

Asteroid Belt

Center: 5.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.1

Radius: 12.7

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.12 AU - 6.56 AU

Year: 5031 Days

Day: 6.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,408,974 km

• M1: 157,975 km (0.053 R)
• M2: 719,566 km (0.109 R)
• M3: 1,328,429 km (0.046 R)
• M4: 1,752,389 km (0.079 R)
• M5: 2,161,839 km (0.054 R)
• M6: 3,256,446 km (0.1 R)
• M7: 4,997,766 km (0.112 R)
• M8: 5,905,825 km (0.117 R)
• M9: 6,362,547 km (0.096 R)
• M10: 7,456,706 km (0.076 R)
• M11: 9,169,003 km (0.107 R)
• M12: 10,185,072 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.7

Radius: 11.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.4 AU - 7.42 AU

Year: 7190 Days

Day: 14.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,408,974 km

• M1: 139,425 km (0.049 R)
• M2: 836,701 km (0.104 R)
• M3: 1,787,844 km (0.119 R)
• M4: 2,325,349 km (0.096 R)
• M5: 3,187,781 km (0.056 R)
• M6: 4,251,422 km (0.069 R)
• M7: 5,657,791 km (0.079 R)
• M8: 6,125,285 km (0.106 R)
• M9: 6,584,700 km (0.084 R)
• M10: 8,697,770 km (0.117 R)
• M11: 9,623,033 km (0.105 R)
• M12: 11,325,307 km (0.083 R)
• M13: 24,526,870 km (0.077 R)
• M14: 27,674,559 km (0.115 R)
• M15: 31,273,884 km (0.057 R)
• M16: 33,235,561 km (0.118 R)

Asteroid Belt

Center: 8.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.5

Radius: 12.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.58 AU - 9.4 AU

Year: 9608 Days

Day: 8.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,408,974 km

• M1: 150,495 km (0.119 R)
• M2: 572,511 km (0.115 R)
• M3: 1,087,577 km (0.098 R)
• M4: 2,015,383 km (0.08 R)
• M5: 2,412,565 km (0.073 R)
• M6: 2,803,314 km (0.083 R)
• M7: 3,550,257 km (0.1 R)
• M8: 4,757,212 km (0.075 R)
• M9: 6,085,492 km (0.115 R)
• M10: 7,186,831 km (0.061 R)
• M11: 9,461,467 km (0.101 R)
• M12: 11,807,910 km (0.065 R)
• M13: 12,780,445 km (0.101 R)
• M14: 13,864,132 km (0.071 R)
• M15: 18,318,259 km (0.047 R)
• M16: 21,688,699 km (0.116 R)
• M17: 22,816,518 km (0.069 R)
• M18: 24,494,707 km (0.111 R)
• M19: 26,434,393 km (0.105 R)
• M20: 27,627,585 km (0.031 R)
• M21: 35,331,726 km (0.073 R)
• M22: 37,574,198 km (0.099 R)
• M23: 38,613,754 km (0.118 R)
• M24: 39,435,345 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 12.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 8.31 AU - 10.69 AU

Year: 10437 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,408,974 km

• M1: 153,039 km (0.112 R)
• M2: 584,030 km (0.107 R)
• M3: 1,075,010 km (0.073 R)
• M4: 1,922,482 km (0.067 R)
• M5: 2,454,003 km (0.104 R)
• M6: 3,082,763 km (0.086 R)
• M7: 3,610,096 km (0.087 R)
• M8: 4,847,270 km (0.083 R)
• M9: 5,361,438 km (0.093 R)
• M10: 6,055,273 km (0.117 R)
• M11: 6,729,959 km (0.102 R)
• M12: 7,248,166 km (0.036 R)
• M13: 13,429,550 km (0.079 R)
• M14: 14,059,806 km (0.113 R)
• M15: 14,908,325 km (0.091 R)
• M16: 17,511,179 km (0.082 R)
• M17: 18,570,631 km (0.098 R)
• M18: 19,353,177 km (0.07 R)
• M19: 23,509,305 km (0.087 R)
• M20: 29,155,727 km (0.086 R)
• M21: 33,308,863 km (0.081 R)
• M22: 34,230,985 km (0.115 R)
• M23: 35,288,492 km (0.03 R)
• M24: 40,253,795 km (0.086 R)
• M25: 50,180,511 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.5

Radius: 6.5

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.66 AU - 15.58 AU

Year: 19926 Days

Day: 17.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,408,974 km

• M1: 80,783 km (0.113 R)
• M2: 316,100 km (0.088 R)
• M3: 543,639 km (0.077 R)
• M4: 1,009,038 km (0.115 R)
• M5: 1,545,047 km (0.049 R)
• M6: 2,123,841 km (0.072 R)
• M7: 2,952,164 km (0.063 R)
• M8: 3,213,661 km (0.103 R)
• M9: 4,761,850 km (0.115 R)
• M10: 6,199,635 km (0.067 R)
• M11: 7,506,821 km (0.092 R)
• M12: 8,086,962 km (0.119 R)
• M13: 10,599,159 km (0.119 R)
• M14: 11,560,026 km (0.083 R)
• M15: 13,523,947 km (0.068 R)
• M16: 15,557,580 km (0.12 R)
• M17: 15,915,269 km (0.064 R)
• M18: 16,351,646 km (0.062 R)
• M19: 17,709,097 km (0.103 R)
• M20: 18,734,889 km (0.118 R)
• M21: 21,516,063 km (0.077 R)
• M22: 26,336,855 km (0.085 R)
• M23: 28,302,720 km (0.109 R)
• M24: 29,812,462 km (0.051 R)
• M25: 30,923,077 km (0.084 R)
• M26: 31,716,693 km (0.119 R)
• M27: 37,146,348 km (0.058 R)
• M28: 40,146,683 km (0.064 R)
• M29: 40,415,062 km (0.081 R)
• M30: 43,023,899 km (0.12 R)
• M31: 45,306,014 km (0.11 R)
• M32: 48,878,860 km (0.11 R)
• M33: 53,928,536 km (0.117 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 13,134 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit