🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.3

Radius: 13.7

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,029,401 km

• M1: 170,542 km (0.102 R)
• M2: 797,506 km (0.106 R)
• M3: 1,486,704 km (0.091 R)
• M4: 1,932,804 km (0.058 R)
• M5: 2,606,294 km (0.064 R)
• M6: 3,165,641 km (0.106 R)
• M7: 3,604,411 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.7

Radius: 8.1

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,029,401 km

• M1: 100,679 km (0.039 R)
• M2: 584,180 km (0.083 R)
• M3: 861,534 km (0.097 R)
• M4: 1,289,234 km (0.073 R)
• M5: 1,574,218 km (0.099 R)
• M6: 1,975,440 km (0.037 R)
• M7: 2,237,087 km (0.101 R)
• M8: 2,885,145 km (0.102 R)
• M9: 3,342,615 km (0.108 R)
• M10: 3,794,999 km (0.115 R)
• M11: 4,316,198 km (0.086 R)
• M12: 5,400,334 km (0.114 R)
• M13: 5,775,824 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.7

Radius: 10

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.03 AU

Year: 532 Days

Day: 12.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,029,401 km

• M1: 124,465 km (0.091 R)
• M2: 801,994 km (0.032 R)
• M3: 1,311,824 km (0.105 R)
• M4: 1,796,072 km (0.076 R)
• M5: 2,446,075 km (0.105 R)
• M6: 2,965,329 km (0.116 R)
• M7: 3,673,675 km (0.109 R)
• M8: 4,110,650 km (0.112 R)
• M9: 4,445,899 km (0.118 R)
• M10: 5,040,102 km (0.1 R)
• M11: 5,407,813 km (0.069 R)
• M12: 5,829,380 km (0.079 R)
• M13: 6,483,422 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 11.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.27 AU - 1.49 AU

Year: 1100 Days

Day: 9.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,029,401 km

• M1: 138,079 km (0.062 R)
• M2: 485,445 km (0.027 R)
• M3: 896,989 km (0.071 R)
• M4: 1,562,550 km (0.097 R)
• M5: 1,954,197 km (0.087 R)
• M6: 2,452,208 km (0.057 R)
• M7: 2,804,212 km (0.068 R)
• M8: 3,492,961 km (0.06 R)
• M9: 4,693,783 km (0.099 R)
• M10: 6,306,597 km (0.067 R)
• M11: 7,185,635 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 14

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.11 AU - 1.73 AU

Year: 1148 Days

Day: 8.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,029,401 km

• M1: 174,132 km (0.087 R)
• M2: 616,642 km (0.09 R)
• M3: 1,096,253 km (0.058 R)
• M4: 2,013,288 km (0.108 R)
• M5: 2,548,400 km (0.053 R)
• M6: 3,424,744 km (0.063 R)
• M7: 4,195,472 km (0.056 R)
• M8: 4,753,772 km (0.036 R)
• M9: 5,266,294 km (0.076 R)
• M10: 6,210,107 km (0.082 R)
• M11: 6,689,269 km (0.105 R)
• M12: 7,382,655 km (0.086 R)
• M13: 8,021,887 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.3

Radius: 12.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.56 AU - 2.5 AU

Year: 1962 Days

Day: 5.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,029,401 km

• M1: 155,432 km (0.038 R)
• M2: 642,972 km (0.11 R)
• M3: 1,068,727 km (0.111 R)
• M4: 1,690,007 km (0.116 R)
• M5: 2,115,613 km (0.048 R)
• M6: 2,876,019 km (0.119 R)
• M7: 4,191,284 km (0.086 R)
• M8: 5,581,796 km (0.114 R)
• M9: 7,033,643 km (0.085 R)
• M10: 7,847,755 km (0.048 R)
• M11: 9,085,228 km (0.081 R)
• M12: 10,932,313 km (0.085 R)
• M13: 12,105,609 km (0.052 R)
• M14: 14,020,462 km (0.082 R)
• M15: 15,885,499 km (0.091 R)
• M16: 16,575,743 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.3

Radius: 11.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2 AU - 2.14 AU

Year: 2020 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,029,401 km

• M1: 148,251 km (0.105 R)
• M2: 646,263 km (0.054 R)
• M3: 1,761,814 km (0.076 R)
• M4: 2,198,790 km (0.104 R)
• M5: 2,597,617 km (0.114 R)
• M6: 2,969,518 km (0.032 R)
• M7: 3,426,689 km (0.088 R)
• M8: 4,078,337 km (0.087 R)
• M9: 4,584,427 km (0.11 R)
• M10: 5,045,188 km (0.113 R)
• M11: 7,179,052 km (0.042 R)
• M12: 9,687,360 km (0.068 R)
• M13: 10,132,862 km (0.116 R)
• M14: 10,627,882 km (0.076 R)
• M15: 11,213,408 km (0.088 R)
• M16: 11,975,459 km (0.1 R)
• M17: 12,609,605 km (0.113 R)
• M18: 13,816,111 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.6

Radius: 12.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.06 AU - 3.26 AU

Year: 3810 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,029,401 km

• M1: 150,495 km (0.065 R)
• M2: 535,860 km (0.062 R)
• M3: 918,381 km (0.105 R)
• M4: 1,366,427 km (0.114 R)
• M5: 2,477,042 km (0.093 R)
• M6: 2,881,853 km (0.065 R)
• M7: 3,656,322 km (0.106 R)
• M8: 4,994,175 km (0.07 R)
• M9: 6,142,339 km (0.095 R)
• M10: 6,762,721 km (0.106 R)
• M11: 8,202,002 km (0.094 R)
• M12: 10,002,712 km (0.114 R)
• M13: 11,175,111 km (0.087 R)
• M14: 12,053,549 km (0.103 R)
• M15: 13,077,547 km (0.102 R)
• M16: 14,317,713 km (0.05 R)
• M17: 15,691,321 km (0.061 R)
• M18: 16,556,744 km (0.11 R)
• M19: 17,332,110 km (0.092 R)
• M20: 21,159,272 km (0.095 R)
• M21: 21,577,548 km (0.103 R)
• M22: 22,865,735 km (0.086 R)
• M23: 26,069,972 km (0.069 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 15,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit