🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.34 AU - 1.62 AU

Year: 658 Days

Day: 26.9 Hours

Environment

Temp: -29 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.49 AU - 2.29 AU

Year: 949 Days

Day: 35.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,373,194 km

• M1: 140,622 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.93 AU - 4.57 AU

Year: 2652 Days

Day: 19.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.15 AU - 4.45 AU

Year: 3257 Days

Day: 20.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,373,194 km

• M1: 39,943 km (0.093 R)
• M2: 109,805 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 9.4

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.52 AU - 6.5 AU

Year: 5381 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,373,194 km

• M1: 118,332 km (0.107 R)
• M2: 469,289 km (0.083 R)
• M3: 769,232 km (0.072 R)
• M4: 1,522,607 km (0.04 R)
• M5: 1,898,098 km (0.082 R)
• M6: 2,285,257 km (0.094 R)
• M7: 3,157,413 km (0.039 R)
• M8: 3,500,441 km (0.102 R)
• M9: 4,037,497 km (0.067 R)
• M10: 4,364,667 km (0.036 R)
• M11: 4,682,563 km (0.097 R)
• M12: 5,335,258 km (0.103 R)
• M13: 5,668,114 km (0.041 R)
• M14: 6,476,989 km (0.085 R)
• M15: 7,033,793 km (0.076 R)
• M16: 7,397,764 km (0.09 R)
• M17: 7,889,792 km (0.081 R)
• M18: 11,915,470 km (0.067 R)
• M19: 13,293,865 km (0.113 R)
• M20: 15,556,383 km (0.115 R)
• M21: 15,988,123 km (0.079 R)
• M22: 17,996,923 km (0.104 R)
• M23: 18,679,239 km (0.097 R)
• M24: 27,452,855 km (0.029 R)
• M25: 28,908,891 km (0.058 R)
• M26: 30,034,166 km (0.116 R)
• M27: 32,172,668 km (0.086 R)
• M28: 32,974,961 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 12.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.7 AU - 11.38 AU

Year: 13398 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,373,194 km

• M1: 151,991 km (0.045 R)
• M2: 538,253 km (0.059 R)
• M3: 1,046,886 km (0.101 R)
• M4: 1,645,277 km (0.067 R)
• M5: 2,093,921 km (0.097 R)
• M6: 2,749,310 km (0.077 R)
• M7: 3,986,035 km (0.025 R)
• M8: 4,838,444 km (0.052 R)
• M9: 5,773,281 km (0.091 R)
• M10: 7,480,791 km (0.084 R)
• M11: 7,867,950 km (0.089 R)
• M12: 10,061,055 km (0.108 R)
• M13: 10,533,635 km (0.119 R)
• M14: 11,694,365 km (0.119 R)
• M15: 14,933,757 km (0.047 R)
• M16: 15,411,273 km (0.079 R)
• M17: 16,396,974 km (0.075 R)
• M18: 17,877,544 km (0.049 R)
• M19: 18,807,444 km (0.105 R)
• M20: 20,015,148 km (0.112 R)
• M21: 22,673,502 km (0.077 R)
• M22: 30,825,688 km (0.072 R)
• M23: 38,277,009 km (0.104 R)
• M24: 38,659,082 km (0.117 R)
• M25: 42,349,212 km (0.06 R)
• M26: 42,757,914 km (0.077 R)
• M27: 46,701,463 km (0.04 R)
• M28: 47,430,304 km (0.095 R)
• M29: 49,813,697 km (0.099 R)
• M30: 50,574,552 km (0.107 R)
• M31: 52,119,599 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845.4

Radius: 6.1

Gravity: 22.72 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 11.58 AU - 14.5 AU

Year: 17199 Days

Day: 20.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,373,194 km

• M1: 75,846 km (0.088 R)
• M2: 296,054 km (0.111 R)
• M3: 520,301 km (0.102 R)
• M4: 1,120,787 km (0.085 R)
• M5: 2,066,545 km (0.12 R)
• M6: 2,446,823 km (0.094 R)
• M7: 2,973,706 km (0.063 R)
• M8: 3,236,999 km (0.099 R)
• M9: 3,430,578 km (0.098 R)
• M10: 3,780,338 km (0.117 R)
• M11: 4,153,585 km (0.037 R)
• M12: 4,619,881 km (0.055 R)
• M13: 8,910,498 km (0.03 R)
• M14: 9,856,256 km (0.056 R)
• M15: 10,205,567 km (0.107 R)
• M16: 11,114,972 km (0.1 R)
• M17: 12,544,679 km (0.087 R)
• M18: 13,093,703 km (0.12 R)
• M19: 13,374,050 km (0.054 R)
• M20: 13,587,077 km (0.076 R)
• M21: 14,461,626 km (0.057 R)
• M22: 15,065,104 km (0.048 R)
• M23: 19,313,534 km (0.085 R)
• M24: 21,081,033 km (0.059 R)
• M25: 23,361,652 km (0.109 R)
• M26: 24,934,375 km (0.099 R)
• M27: 26,576,511 km (0.115 R)
• M28: 27,253,142 km (0.096 R)
• M29: 28,056,931 km (0.086 R)
• M30: 29,232,471 km (0.036 R)
• M31: 29,711,783 km (0.113 R)
• M32: 30,685,964 km (0.096 R)
• M33: 38,252,325 km (0.094 R)
• M34: 41,326,412 km (0.116 R)
• M35: 53,289,903 km (0.077 R)
• M36: 55,454,285 km (0.092 R)
• M37: 64,294,173 km (0.082 R)
• M38: 65,921,499 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.3

Radius: 3.8

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 10.45 AU - 16.21 AU

Year: 17776 Days

Day: 21.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,373,194 km

• M1: 47,273 km (0.099 R)
• M2: 177,124 km (0.068 R)
• M3: 406,906 km (0.084 R)
• M4: 527,183 km (0.066 R)
• M5: 1,224,459 km (0.112 R)
• M6: 2,337,168 km (0.07 R)
• M7: 2,470,758 km (0.077 R)
• M8: 2,589,240 km (0.106 R)
• M9: 7,881,564 km (0.118 R)
• M10: 21,196,522 km (0.112 R)
• M11: 21,361,828 km (0.047 R)
• M12: 22,628,473 km (0.066 R)
• M13: 22,974,643 km (0.089 R)
• M14: 33,482,247 km (0.114 R)
• M15: 44,454,653 km (0.091 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 440 - 17,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit