🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.51 AU - 0.65 AU

Year: 157 Days

Day: 30.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.77 AU - 1.99 AU

Year: 919 Days

Day: 32.5 Hours

Environment

Temp: -42 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.18 AU - 2.34 AU

Year: 1211 Days

Day: 15.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.43 AU - 3.73 AU

Year: 1927 Days

Day: 38.8 Hours

Environment

Temp: -107 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 117,252,935 km

• M1: 18,700 km (0.107 R)
• M2: 30,668 km (0.116 R)

Asteroid Belt

Center: 4.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 14.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.8 AU - 6.5 AU

Year: 4787 Days

Day: 14.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 117,252,935 km

• M1: 184,305 km (0.116 R)
• M2: 652,696 km (0.117 R)
• M3: 1,141,731 km (0.118 R)
• M4: 1,875,957 km (0.105 R)
• M5: 2,337,766 km (0.095 R)
• M6: 2,858,666 km (0.081 R)
• M7: 3,887,600 km (0.056 R)
• M8: 4,427,199 km (0.118 R)
• M9: 5,658,240 km (0.117 R)
• M10: 6,229,405 km (0.106 R)
• M11: 7,209,720 km (0.098 R)
• M12: 8,404,408 km (0.072 R)
• M13: 12,784,784 km (0.059 R)
• M14: 14,148,667 km (0.036 R)
• M15: 15,262,424 km (0.117 R)
• M16: 16,918,921 km (0.09 R)
• M17: 17,981,365 km (0.112 R)
• M18: 18,757,927 km (0.044 R)
• M19: 19,489,311 km (0.059 R)
• M20: 21,222,253 km (0.053 R)
• M21: 22,016,468 km (0.116 R)
• M22: 27,970,763 km (0.106 R)
• M23: 28,925,795 km (0.111 R)
• M24: 29,902,520 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.5

Radius: 4.9

Gravity: 24.55 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 15.38 AU - 17.18 AU

Year: 23414 Days

Day: 15.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 117,252,935 km

• M1: 61,335 km (0.12 R)
• M2: 300,841 km (0.071 R)
• M3: 469,737 km (0.095 R)
• M4: 893,249 km (0.09 R)
• M5: 1,116,898 km (0.117 R)
• M6: 1,301,053 km (0.112 R)
• M7: 1,607,280 km (0.087 R)
• M8: 2,081,654 km (0.087 R)
• M9: 3,027,263 km (0.12 R)
• M10: 3,359,669 km (0.103 R)
• M11: 5,011,828 km (0.116 R)
• M12: 5,557,112 km (0.065 R)
• M13: 7,381,159 km (0.115 R)
• M14: 8,190,035 km (0.066 R)
• M15: 8,724,697 km (0.113 R)
• M16: 10,345,291 km (0.065 R)
• M17: 10,717,042 km (0.089 R)
• M18: 11,161,796 km (0.094 R)
• M19: 12,293,355 km (0.102 R)
• M20: 13,353,405 km (0.086 R)
• M21: 14,017,919 km (0.116 R)
• M22: 18,655,752 km (0.119 R)
• M23: 24,329,999 km (0.043 R)
• M24: 27,261,968 km (0.108 R)
• M25: 27,614,720 km (0.084 R)
• M26: 31,311,283 km (0.096 R)
• M27: 32,745,328 km (0.112 R)
• M28: 49,394,674 km (0.059 R)
• M29: 54,061,529 km (0.074 R)
• M30: 59,013,966 km (0.063 R)
• M31: 60,796,275 km (0.12 R)
• M32: 63,023,040 km (0.084 R)
• M33: 64,884,935 km (0.031 R)
• M34: 70,028,558 km (0.113 R)
• M35: 71,355,641 km (0.111 R)
• M36: 76,132,301 km (0.074 R)
• M37: 79,432,430 km (0.072 R)

Asteroid Belt

Center: 16.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 902.8

Radius: 3.2

Gravity: 88.16 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 15.39 AU - 19.95 AU

Year: 26476 Days

Day: 18 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 117,252,935 km

• M1: 43,084 km (0.072 R)
• M2: 143,315 km (0.103 R)
• M3: 245,789 km (0.1 R)
• M4: 666,159 km (0.095 R)
• M5: 2,130,722 km (0.069 R)
• M6: 2,294,383 km (0.092 R)
• M7: 2,647,134 km (0.1 R)
• M8: 2,920,450 km (0.119 R)
• M9: 3,122,706 km (0.092 R)
• M10: 4,350,306 km (0.104 R)
• M11: 4,575,900 km (0.104 R)
• M12: 4,888,559 km (0.088 R)
• M13: 5,912,257 km (0.09 R)
• M14: 6,283,111 km (0.102 R)
• M15: 8,372,544 km (0.095 R)
• M16: 9,635,449 km (0.108 R)
• M17: 10,018,420 km (0.109 R)
• M18: 10,746,662 km (0.071 R)
• M19: 12,911,044 km (0.045 R)
• M20: 20,064,515 km (0.108 R)
• M21: 22,636,252 km (0.084 R)
• M22: 23,769,606 km (0.068 R)
• M23: 24,000,734 km (0.093 R)
• M24: 26,026,290 km (0.087 R)
• M25: 32,072,287 km (0.077 R)
• M26: 33,500,050 km (0.045 R)
• M27: 36,328,347 km (0.088 R)
• M28: 37,409,192 km (0.117 R)
• M29: 37,878,929 km (0.065 R)
• M30: 41,444,295 km (0.112 R)
• M31: 42,284,736 km (0.097 R)
• M32: 46,657,631 km (0.102 R)
• M33: 58,361,121 km (0.111 R)
• M34: 62,658,320 km (0.076 R)
• M35: 64,883,888 km (0.114 R)
• M36: 72,116,945 km (0.108 R)
• M37: 75,303,679 km (0.091 R)
• M38: 76,805,492 km (0.068 R)
• M39: 90,105,640 km (0.072 R)
• M40: 94,375,612 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.1

Radius: 3.7

Gravity: 71.52 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 15.54 AU - 24.56 AU

Year: 32001 Days

Day: 19.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 97.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 117,252,935 km

• M1: 48,320 km (0.108 R)
• M2: 642,373 km (0.113 R)
• M3: 837,299 km (0.105 R)
• M4: 969,693 km (0.037 R)
• M5: 2,106,039 km (0.116 R)
• M6: 3,306,562 km (0.097 R)
• M7: 4,571,861 km (0.058 R)
• M8: 5,652,256 km (0.115 R)
• M9: 5,982,868 km (0.088 R)
• M10: 9,429,902 km (0.107 R)
• M11: 10,374,463 km (0.115 R)
• M12: 12,686,797 km (0.096 R)
• M13: 13,417,433 km (0.115 R)
• M14: 14,175,745 km (0.089 R)
• M15: 21,981,163 km (0.084 R)
• M16: 22,444,617 km (0.063 R)
• M17: 24,859,725 km (0.08 R)
• M18: 42,708,696 km (0.043 R)
• M19: 45,641,562 km (0.088 R)
• M20: 54,815,502 km (0.053 R)
• M21: 97,085,877 km (0.12 R)
• M22: 101,491,384 km (0.113 R)
• M23: 102,774,036 km (0.094 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 17,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit