🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.5 AU - 0.52 AU

Year: 136 Days

Day: 21.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 33.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,511,394 km

• M1: 61,934 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.48 AU - 0.64 AU

Year: 156 Days

Day: 39.2 Hours

Environment

Temp: 177 °C

Axial Tilt: 3.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,511,394 km

• M1: 24,983 km (0.04 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.95 AU - 0.97 AU

Year: 351 Days

Day: 36.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 37.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,511,394 km

• M1: 452,384 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.96 AU - 1.16 AU

Year: 407 Days

Day: 16.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 11

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.5 AU - 6.68 AU

Year: 4927 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,511,394 km

• M1: 136,732 km (0.075 R)
• M2: 536,009 km (0.098 R)
• M3: 1,676,543 km (0.079 R)
• M4: 2,816,778 km (0.049 R)
• M5: 3,404,100 km (0.077 R)
• M6: 4,326,969 km (0.095 R)
• M7: 5,614,558 km (0.115 R)
• M8: 6,178,990 km (0.117 R)
• M9: 7,643,703 km (0.084 R)
• M10: 8,823,432 km (0.101 R)
• M11: 11,246,918 km (0.119 R)
• M12: 13,557,307 km (0.114 R)
• M13: 16,274,304 km (0.111 R)
• M14: 17,366,667 km (0.112 R)
• M15: 18,859,205 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.9

Radius: 10.6

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 6.04 AU - 9.46 AU

Year: 8043 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,511,394 km

• M1: 131,796 km (0.12 R)
• M2: 913,594 km (0.077 R)
• M3: 1,357,152 km (0.11 R)
• M4: 3,289,657 km (0.099 R)
• M5: 5,042,495 km (0.08 R)
• M6: 5,571,324 km (0.1 R)
• M7: 7,278,086 km (0.042 R)
• M8: 7,664,647 km (0.089 R)
• M9: 8,364,615 km (0.097 R)
• M10: 9,514,574 km (0.051 R)
• M11: 10,455,096 km (0.096 R)
• M12: 11,740,291 km (0.099 R)
• M13: 12,570,260 km (0.045 R)
• M14: 14,677,346 km (0.077 R)
• M15: 19,646,539 km (0.073 R)
• M16: 20,956,418 km (0.115 R)
• M17: 21,668,653 km (0.116 R)
• M18: 24,134,176 km (0.104 R)
• M19: 26,697,984 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.5

Radius: 10.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 7.39 AU - 9.35 AU

Year: 9027 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 76,511,394 km

• M1: 254,466 km (0.107 R)
• M2: 752,028 km (0.065 R)
• M3: 1,725,761 km (0.103 R)
• M4: 3,289,358 km (0.086 R)
• M5: 3,673,376 km (0.113 R)
• M6: 5,064,636 km (0.106 R)
• M7: 12,598,983 km (0.077 R)
• M8: 21,974,431 km (0.081 R)
• M9: 23,033,734 km (0.111 R)
• M10: 31,611,975 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.5

Radius: 8.7

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.56 AU - 12.26 AU

Year: 11630 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,511,394 km

• M1: 108,758 km (0.085 R)
• M2: 458,517 km (0.105 R)
• M3: 874,848 km (0.068 R)
• M4: 1,207,554 km (0.061 R)
• M5: 1,851,274 km (0.092 R)
• M6: 2,389,527 km (0.117 R)
• M7: 4,392,044 km (0.091 R)
• M8: 5,709,852 km (0.117 R)
• M9: 7,058,626 km (0.115 R)
• M10: 7,581,919 km (0.027 R)
• M11: 8,084,119 km (0.112 R)
• M12: 12,427,544 km (0.101 R)
• M13: 13,320,942 km (0.036 R)
• M14: 16,183,198 km (0.096 R)
• M15: 19,013,889 km (0.094 R)
• M16: 24,832,798 km (0.105 R)
• M17: 30,583,489 km (0.092 R)
• M18: 37,423,553 km (0.105 R)
• M19: 45,069,351 km (0.057 R)
• M20: 52,213,397 km (0.112 R)
• M21: 53,528,362 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 9.4

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.88 AU - 12.68 AU

Year: 13194 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 95.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,511,394 km

• M1: 117,135 km (0.111 R)
• M2: 463,305 km (0.114 R)
• M3: 5,078,249 km (0.05 R)
• M4: 7,783,278 km (0.081 R)
• M5: 11,269,208 km (0.06 R)
• M6: 12,777,005 km (0.101 R)
• M7: 14,144,030 km (0.096 R)
• M8: 15,678,006 km (0.037 R)
• M9: 21,294,958 km (0.071 R)
• M10: 23,588,293 km (0.098 R)
• M11: 24,258,940 km (0.097 R)
• M12: 27,910,026 km (0.047 R)
• M13: 33,326,516 km (0.103 R)
• M14: 33,928,049 km (0.108 R)
• M15: 34,536,912 km (0.092 R)
• M16: 38,475,525 km (0.113 R)
• M17: 46,480,507 km (0.084 R)
• M18: 47,838,108 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.8

Radius: 7.8

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.25 AU - 13.93 AU

Year: 17655 Days

Day: 19.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,511,394 km

• M1: 97,089 km (0.03 R)
• M2: 381,624 km (0.053 R)
• M3: 717,471 km (0.066 R)
• M4: 1,865,934 km (0.078 R)
• M5: 2,969,817 km (0.092 R)
• M6: 3,429,681 km (0.086 R)
• M7: 3,967,635 km (0.085 R)
• M8: 4,806,430 km (0.108 R)
• M9: 5,210,943 km (0.067 R)
• M10: 7,632,334 km (0.106 R)
• M11: 8,814,606 km (0.099 R)
• M12: 9,365,126 km (0.077 R)
• M13: 9,938,235 km (0.04 R)
• M14: 10,656,604 km (0.047 R)
• M15: 11,154,466 km (0.117 R)
• M16: 12,949,640 km (0.048 R)
• M17: 14,852,675 km (0.116 R)
• M18: 17,441,616 km (0.055 R)
• M19: 25,971,537 km (0.05 R)
• M20: 32,334,383 km (0.088 R)
• M21: 33,773,664 km (0.109 R)
• M22: 34,576,556 km (0.084 R)
• M23: 36,359,613 km (0.113 R)
• M24: 38,637,240 km (0.112 R)
• M25: 46,529,875 km (0.082 R)
• M26: 48,025,853 km (0.06 R)
• M27: 49,382,257 km (0.075 R)
• M28: 51,464,360 km (0.1 R)
• M29: 52,348,932 km (0.082 R)
• M30: 53,785,371 km (0.05 R)
• M31: 54,148,595 km (0.115 R)
• M32: 57,301,819 km (0.036 R)
• M33: 57,680,601 km (0.053 R)
• M34: 60,575,469 km (0.037 R)
• M35: 66,235,355 km (0.058 R)
• M36: 74,241,833 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 18,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit