🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.65 AU - 0.99 AU

Year: 265 Days

Day: 37.5 Hours

Environment

Temp: 120 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.36 AU - 1.86 AU

Year: 728 Days

Day: 14.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,027,492 km

• M1: 1,141,881 km (0.047 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.93

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.84 AU - 2.28 AU

Year: 1054 Days

Day: 35 Hours

Environment

Temp: -66 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 11.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 9.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.5 AU - 14.04 AU

Year: 13486 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,027,492 km

• M1: 121,025 km (0.089 R)
• M2: 1,004,998 km (0.072 R)
• M3: 1,378,096 km (0.088 R)
• M4: 2,026,303 km (0.073 R)
• M5: 7,262,677 km (0.103 R)
• M6: 8,580,186 km (0.109 R)
• M7: 9,149,406 km (0.112 R)
• M8: 9,493,032 km (0.104 R)
• M9: 13,046,879 km (0.104 R)
• M10: 22,194,938 km (0.112 R)
• M11: 25,612,053 km (0.088 R)
• M12: 28,316,483 km (0.095 R)
• M13: 32,098,168 km (0.102 R)
• M14: 38,445,456 km (0.084 R)
• M15: 43,341,346 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 7.9

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.49 AU - 14.87 AU

Year: 18035 Days

Day: 23.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,027,492 km

• M1: 98,286 km (0.115 R)
• M2: 492,027 km (0.105 R)
• M3: 783,743 km (0.103 R)
• M4: 1,203,664 km (0.038 R)
• M5: 2,458,491 km (0.08 R)
• M6: 3,226,078 km (0.113 R)
• M7: 3,752,962 km (0.065 R)
• M8: 4,010,869 km (0.099 R)
• M9: 7,365,302 km (0.11 R)
• M10: 9,078,945 km (0.109 R)
• M11: 17,229,486 km (0.112 R)
• M12: 18,017,717 km (0.072 R)
• M13: 20,132,732 km (0.096 R)
• M14: 21,989,690 km (0.108 R)
• M15: 22,916,898 km (0.1 R)
• M16: 24,223,037 km (0.09 R)
• M17: 25,670,097 km (0.106 R)
• M18: 27,366,088 km (0.096 R)
• M19: 30,459,622 km (0.11 R)
• M20: 31,399,546 km (0.062 R)
• M21: 34,447,752 km (0.079 R)
• M22: 34,785,694 km (0.094 R)
• M23: 35,812,533 km (0.086 R)
• M24: 39,504,310 km (0.119 R)
• M25: 40,621,806 km (0.072 R)
• M26: 41,251,762 km (0.089 R)
• M27: 42,402,020 km (0.102 R)
• M28: 43,311,276 km (0.11 R)
• M29: 44,499,233 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.5

Radius: 7.6

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 14.94 AU - 16.32 AU

Year: 22026 Days

Day: 20.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,027,492 km

• M1: 95,743 km (0.119 R)
• M2: 490,531 km (0.083 R)
• M3: 761,154 km (0.114 R)
• M4: 1,033,123 km (0.103 R)
• M5: 1,657,694 km (0.074 R)
• M6: 1,908,719 km (0.068 R)
• M7: 2,164,831 km (0.093 R)
• M8: 3,932,778 km (0.084 R)
• M9: 5,087,674 km (0.105 R)
• M10: 5,743,212 km (0.059 R)
• M11: 6,028,944 km (0.069 R)
• M12: 6,717,992 km (0.096 R)
• M13: 11,284,766 km (0.088 R)
• M14: 12,668,247 km (0.115 R)
• M15: 13,507,790 km (0.118 R)
• M16: 14,383,835 km (0.095 R)
• M17: 16,329,954 km (0.037 R)
• M18: 16,656,825 km (0.091 R)
• M19: 20,357,727 km (0.087 R)
• M20: 22,802,455 km (0.1 R)
• M21: 29,696,524 km (0.089 R)
• M22: 31,174,401 km (0.026 R)
• M23: 39,744,564 km (0.111 R)
• M24: 49,080,069 km (0.079 R)
• M25: 50,794,611 km (0.078 R)
• M26: 53,261,629 km (0.059 R)
• M27: 55,992,389 km (0.092 R)
• M28: 58,815,001 km (0.056 R)
• M29: 61,730,963 km (0.113 R)
• M30: 68,694,744 km (0.041 R)
• M31: 72,145,668 km (0.099 R)
• M32: 73,247,306 km (0.116 R)
• M33: 74,360,165 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.3

Radius: 3.7

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 12.75 AU - 19.21 AU

Year: 22770 Days

Day: 16 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,027,492 km

• M1: 84,074 km (0.099 R)
• M2: 350,508 km (0.082 R)
• M3: 1,542,055 km (0.106 R)
• M4: 2,273,439 km (0.074 R)
• M5: 3,501,039 km (0.116 R)
• M6: 6,277,875 km (0.072 R)
• M7: 6,730,707 km (0.11 R)
• M8: 7,701,149 km (0.118 R)
• M9: 10,527,801 km (0.079 R)
• M10: 10,699,389 km (0.093 R)
• M11: 12,582,527 km (0.114 R)
• M12: 19,023,613 km (0.107 R)
• M13: 32,019,180 km (0.104 R)
• M14: 35,358,205 km (0.119 R)
• M15: 38,922,224 km (0.079 R)
• M16: 42,718,121 km (0.12 R)
• M17: 48,310,239 km (0.066 R)
• M18: 48,625,741 km (0.063 R)
• M19: 52,685,528 km (0.119 R)

Kuiper Belt

Range: 30.8 - 52.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 18,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit