🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.39 AU - 0.61 AU

Year: 225 Days

Day: 15 Hours

Environment

Temp: -115 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,132,876 km

• M1: 125,662 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 14.9 Hours

Environment

Temp: -113 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.93

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.54 AU - 0.56 AU

Year: 259 Days

Day: 27.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,132,876 km

• M1: 536,907 km (0.079 R)

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 8.6

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1 AU - 1.22 AU

Year: 744 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 90,132,876 km

• M1: 106,962 km (0.086 R)
• M2: 403,017 km (0.098 R)
• M3: 750,981 km (0.087 R)
• M4: 1,034,768 km (0.105 R)
• M5: 1,320,949 km (0.079 R)
• M6: 1,628,074 km (0.089 R)
• M7: 2,030,043 km (0.077 R)
• M8: 2,664,188 km (0.096 R)
• M9: 3,109,541 km (0.093 R)
• M10: 3,789,613 km (0.074 R)
• M11: 4,499,754 km (0.095 R)
• M12: 4,817,650 km (0.078 R)
• M13: 5,480,368 km (0.119 R)
• M14: 5,941,878 km (0.083 R)
• M15: 7,740,044 km (0.059 R)
• M16: 8,371,048 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.2

Radius: 9.3

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.29 AU - 2.61 AU

Year: 2438 Days

Day: 6.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 90,132,876 km

• M1: 115,639 km (0.091 R)
• M2: 466,297 km (0.118 R)
• M3: 1,546,393 km (0.087 R)
• M4: 2,342,852 km (0.089 R)
• M5: 3,427,736 km (0.106 R)
• M6: 4,019,396 km (0.091 R)
• M7: 4,693,184 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.8

Radius: 13.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.51 AU - 2.61 AU

Year: 2604 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,132,876 km

• M1: 172,935 km (0.117 R)
• M2: 1,245,851 km (0.119 R)
• M3: 1,757,476 km (0.091 R)
• M4: 2,707,123 km (0.099 R)
• M5: 3,252,557 km (0.038 R)
• M6: 4,339,086 km (0.117 R)
• M7: 5,928,863 km (0.084 R)
• M8: 7,518,490 km (0.084 R)
• M9: 10,193,001 km (0.067 R)
• M10: 12,771,918 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 11.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.57 AU - 5.25 AU

Year: 5888 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,132,876 km

• M1: 141,819 km (0.041 R)
• M2: 566,677 km (0.086 R)
• M3: 936,632 km (0.111 R)
• M4: 1,451,548 km (0.048 R)
• M5: 1,964,968 km (0.073 R)
• M6: 2,690,368 km (0.094 R)
• M7: 4,041,686 km (0.118 R)
• M8: 4,535,059 km (0.083 R)
• M9: 4,924,164 km (0.118 R)
• M10: 5,396,145 km (0.095 R)
• M11: 6,261,269 km (0.04 R)
• M12: 6,780,673 km (0.114 R)
• M13: 8,225,938 km (0.06 R)
• M14: 8,978,116 km (0.092 R)
• M15: 9,959,029 km (0.11 R)
• M16: 11,359,565 km (0.051 R)
• M17: 11,923,698 km (0.112 R)
• M18: 14,847,888 km (0.095 R)
• M19: 17,943,666 km (0.091 R)
• M20: 20,009,613 km (0.117 R)
• M21: 23,031,490 km (0.032 R)
• M22: 24,949,484 km (0.103 R)
• M23: 27,608,586 km (0.118 R)
• M24: 30,061,243 km (0.109 R)
• M25: 34,007,486 km (0.109 R)
• M26: 34,750,538 km (0.119 R)
• M27: 37,944,902 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.9

Radius: 3.6

Gravity: 32.4 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.79 AU - 9.35 AU

Year: 14576 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 90,132,876 km

• M1: 44,730 km (0.047 R)
• M2: 162,314 km (0.118 R)
• M3: 482,304 km (0.107 R)
• M4: 609,312 km (0.031 R)
• M5: 758,760 km (0.084 R)
• M6: 953,387 km (0.107 R)
• M7: 1,320,351 km (0.091 R)
• M8: 1,456,934 km (0.055 R)
• M9: 1,907,223 km (0.117 R)
• M10: 2,672,566 km (0.073 R)
• M11: 2,825,006 km (0.034 R)
• M12: 2,983,131 km (0.089 R)
• M13: 3,099,668 km (0.109 R)
• M14: 4,232,124 km (0.11 R)
• M15: 5,168,756 km (0.084 R)
• M16: 6,982,481 km (0.119 R)
• M17: 7,875,281 km (0.112 R)
• M18: 8,280,242 km (0.067 R)
• M19: 8,557,896 km (0.044 R)
• M20: 9,528,038 km (0.048 R)
• M21: 9,935,842 km (0.087 R)
• M22: 10,677,398 km (0.103 R)
• M23: 11,117,366 km (0.098 R)
• M24: 11,684,042 km (0.071 R)
• M25: 14,741,973 km (0.061 R)
• M26: 15,774,946 km (0.116 R)
• M27: 17,451,190 km (0.06 R)
• M28: 17,678,280 km (0.105 R)
• M29: 21,410,597 km (0.118 R)
• M30: 26,923,428 km (0.044 R)
• M31: 30,933,100 km (0.109 R)
• M32: 32,505,373 km (0.111 R)
• M33: 33,311,107 km (0.119 R)
• M34: 41,037,089 km (0.099 R)
• M35: 41,977,761 km (0.115 R)
• M36: 45,884,808 km (0.113 R)
• M37: 47,630,915 km (0.102 R)
• M38: 48,669,722 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954

Radius: 3.6

Gravity: 73.61 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.04 AU - 11.1 AU

Year: 21850 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,132,876 km

• M1: 44,730 km (0.061 R)
• M2: 561,441 km (0.103 R)
• M3: 965,355 km (0.111 R)
• M4: 1,259,315 km (0.06 R)
• M5: 1,959,433 km (0.073 R)
• M6: 5,347,675 km (0.088 R)
• M7: 5,554,868 km (0.068 R)
• M8: 6,029,393 km (0.061 R)
• M9: 7,876,926 km (0.117 R)
• M10: 8,474,869 km (0.109 R)
• M11: 10,258,973 km (0.06 R)
• M12: 10,905,236 km (0.075 R)
• M13: 11,578,277 km (0.096 R)
• M14: 14,628,129 km (0.105 R)
• M15: 14,870,328 km (0.088 R)
• M16: 16,293,302 km (0.072 R)
• M17: 17,622,031 km (0.084 R)
• M18: 26,062,642 km (0.081 R)
• M19: 26,537,914 km (0.118 R)
• M20: 33,390,544 km (0.037 R)
• M21: 39,435,345 km (0.084 R)
• M22: 47,921,284 km (0.056 R)
• M23: 48,813,336 km (0.095 R)
• M24: 61,646,889 km (0.066 R)
• M25: 66,377,922 km (0.113 R)
• M26: 74,870,443 km (0.036 R)
• M27: 84,058,744 km (0.061 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 17,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit