🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 9

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.9 AU - 0.9 AU

Year: 589 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 81.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,030,543 km

• M1: 111,899 km (0.117 R)
• M2: 461,061 km (0.113 R)
• M3: 864,676 km (0.097 R)
• M4: 1,202,617 km (0.04 R)
• M5: 1,506,002 km (0.104 R)
• M6: 1,869,824 km (0.105 R)
• M7: 2,302,162 km (0.048 R)
• M8: 2,881,704 km (0.102 R)
• M9: 3,212,764 km (0.093 R)
• M10: 3,501,338 km (0.116 R)
• M11: 3,893,584 km (0.05 R)
• M12: 4,783,542 km (0.038 R)
• M13: 5,161,276 km (0.051 R)
• M14: 6,193,202 km (0.059 R)
• M15: 6,517,830 km (0.098 R)
• M16: 7,492,460 km (0.096 R)
• M17: 7,908,342 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.5

Radius: 10.3

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.84 AU - 1.08 AU

Year: 649 Days

Day: 5.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,030,543 km

• M1: 129,552 km (0.087 R)
• M2: 519,254 km (0.067 R)
• M3: 1,394,851 km (0.093 R)
• M4: 1,874,461 km (0.117 R)
• M5: 2,276,730 km (0.119 R)
• M6: 2,624,246 km (0.093 R)
• M7: 2,946,928 km (0.116 R)
• M8: 3,701,500 km (0.059 R)
• M9: 5,334,810 km (0.11 R)
• M10: 6,495,091 km (0.088 R)
• M11: 6,831,237 km (0.084 R)
• M12: 7,179,052 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 12.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.35 AU - 1.59 AU

Year: 1230 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,030,543 km

• M1: 152,291 km (0.109 R)
• M2: 539,300 km (0.113 R)
• M3: 1,315,264 km (0.092 R)
• M4: 3,139,162 km (0.079 R)
• M5: 4,590,261 km (0.108 R)
• M6: 5,109,665 km (0.087 R)
• M7: 5,972,097 km (0.082 R)
• M8: 6,551,040 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.9

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.1 AU - 3.38 AU

Year: 3131 Days

Day: 5.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,030,543 km

• M1: 188,344 km (0.117 R)
• M2: 874,400 km (0.093 R)
• M3: 1,474,137 km (0.095 R)
• M4: 1,948,213 km (0.113 R)
• M5: 2,938,551 km (0.045 R)
• M6: 4,314,702 km (0.048 R)
• M7: 5,582,693 km (0.102 R)
• M8: 6,246,309 km (0.095 R)
• M9: 7,443,691 km (0.056 R)
• M10: 8,731,280 km (0.074 R)
• M11: 9,627,969 km (0.072 R)
• M12: 10,323,899 km (0.098 R)
• M13: 11,155,364 km (0.056 R)
• M14: 11,640,210 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.5

Radius: 11.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.49 AU - 2.99 AU

Year: 3131 Days

Day: 5.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,030,543 km

• M1: 138,976 km (0.07 R)
• M2: 711,787 km (0.069 R)
• M3: 1,181,674 km (0.072 R)
• M4: 1,892,413 km (0.095 R)
• M5: 2,852,981 km (0.081 R)
• M6: 3,631,339 km (0.095 R)
• M7: 4,029,419 km (0.111 R)
• M8: 4,412,688 km (0.11 R)
• M9: 4,843,530 km (0.052 R)
• M10: 5,203,612 km (0.069 R)
• M11: 6,886,140 km (0.093 R)
• M12: 8,048,665 km (0.101 R)
• M13: 10,519,722 km (0.094 R)
• M14: 13,086,822 km (0.074 R)
• M15: 13,980,071 km (0.081 R)
• M16: 15,783,323 km (0.114 R)
• M17: 20,275,448 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.7

Radius: 6.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.35 AU - 6.99 AU

Year: 10579 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,030,543 km

• M1: 82,129 km (0.107 R)
• M2: 624,571 km (0.11 R)
• M3: 989,291 km (0.071 R)
• M4: 1,839,455 km (0.087 R)
• M5: 2,918,954 km (0.108 R)
• M6: 4,213,424 km (0.101 R)
• M7: 9,020,752 km (0.116 R)
• M8: 10,415,453 km (0.076 R)
• M9: 11,948,382 km (0.068 R)
• M10: 15,763,576 km (0.111 R)
• M11: 16,977,563 km (0.076 R)
• M12: 20,099,072 km (0.071 R)
• M13: 20,916,475 km (0.107 R)
• M14: 22,538,266 km (0.088 R)
• M15: 26,117,245 km (0.11 R)
• M16: 31,421,387 km (0.053 R)
• M17: 34,271,825 km (0.071 R)

Asteroid Belt

Center: 8.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.5

Radius: 4.5

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.05 AU - 11.89 AU

Year: 21730 Days

Day: 15.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,030,543 km

• M1: 58,792 km (0.067 R)
• M2: 338,839 km (0.086 R)
• M3: 1,092,663 km (0.113 R)
• M4: 5,173,693 km (0.03 R)
• M5: 5,612,164 km (0.102 R)
• M6: 8,996,218 km (0.1 R)
• M7: 9,399,833 km (0.11 R)
• M8: 12,514,610 km (0.038 R)
• M9: 14,003,707 km (0.069 R)
• M10: 16,518,746 km (0.033 R)
• M11: 21,143,116 km (0.113 R)
• M12: 23,161,640 km (0.074 R)
• M13: 26,927,766 km (0.115 R)
• M14: 29,981,508 km (0.052 R)
• M15: 30,179,575 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit