🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 11.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.41 AU - 0.65 AU

Year: 266 Days

Day: 10.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,823,733 km

• M1: 148,401 km (0.113 R)
• M2: 547,229 km (0.078 R)
• M3: 1,050,626 km (0.066 R)
• M4: 1,421,329 km (0.089 R)
• M5: 2,006,107 km (0.092 R)
• M6: 2,528,354 km (0.069 R)
• M7: 3,515,400 km (0.1 R)
• M8: 3,980,949 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.6

Radius: 14.6

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.76 AU - 0.78 AU

Year: 466 Days

Day: 11.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,823,733 km

• M1: 181,612 km (0.073 R)
• M2: 644,468 km (0.104 R)
• M3: 1,198,129 km (0.084 R)
• M4: 1,853,667 km (0.099 R)
• M5: 2,344,947 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 12.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.55 AU - 1.79 AU

Year: 1490 Days

Day: 5.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,823,733 km

• M1: 150,495 km (0.081 R)
• M2: 530,923 km (0.091 R)
• M3: 979,866 km (0.115 R)
• M4: 1,443,021 km (0.103 R)
• M5: 1,911,861 km (0.087 R)
• M6: 2,829,345 km (0.08 R)
• M7: 3,270,808 km (0.115 R)
• M8: 3,809,809 km (0.06 R)
• M9: 5,587,181 km (0.094 R)
• M10: 6,558,371 km (0.069 R)
• M11: 7,694,566 km (0.045 R)
• M12: 9,525,644 km (0.088 R)
• M13: 10,084,093 km (0.039 R)
• M14: 10,980,334 km (0.056 R)
• M15: 11,631,384 km (0.063 R)
• M16: 12,041,881 km (0.093 R)
• M17: 13,331,713 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.9

Radius: 10.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.45 AU - 1.91 AU

Year: 1503 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,823,733 km

• M1: 129,552 km (0.099 R)
• M2: 595,848 km (0.1 R)
• M3: 923,617 km (0.105 R)
• M4: 1,467,854 km (0.099 R)
• M5: 2,138,352 km (0.111 R)
• M6: 2,488,710 km (0.086 R)
• M7: 3,521,833 km (0.109 R)
• M8: 3,862,019 km (0.116 R)
• M9: 4,277,602 km (0.073 R)
• M10: 4,937,478 km (0.07 R)
• M11: 5,449,252 km (0.052 R)
• M12: 6,109,876 km (0.098 R)
• M13: 6,897,210 km (0.026 R)
• M14: 8,301,784 km (0.066 R)
• M15: 8,878,334 km (0.106 R)
• M16: 9,206,851 km (0.086 R)
• M17: 10,111,769 km (0.103 R)
• M18: 11,212,660 km (0.079 R)
• M19: 12,098,429 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.7

Radius: 12.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.79 AU - 1.87 AU

Year: 1709 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,823,733 km

• M1: 203,603 km (0.088 R)
• M2: 631,901 km (0.106 R)
• M3: 1,270,834 km (0.111 R)
• M4: 1,690,905 km (0.115 R)
• M5: 2,166,177 km (0.05 R)
• M6: 3,978,406 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.3

Radius: 8.9

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.39 AU - 3.39 AU

Year: 3391 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,823,733 km

• M1: 112,348 km (0.074 R)
• M2: 478,115 km (0.105 R)
• M3: 783,743 km (0.078 R)
• M4: 1,252,733 km (0.108 R)
• M5: 1,586,186 km (0.109 R)
• M6: 2,005,509 km (0.105 R)
• M7: 2,544,660 km (0.074 R)
• M8: 2,823,361 km (0.093 R)
• M9: 3,621,465 km (0.086 R)
• M10: 4,705,900 km (0.099 R)
• M11: 5,283,797 km (0.114 R)
• M12: 5,576,560 km (0.069 R)
• M13: 6,795,782 km (0.095 R)
• M14: 7,239,191 km (0.12 R)
• M15: 7,634,578 km (0.085 R)
• M16: 8,079,033 km (0.103 R)
• M17: 8,540,692 km (0.065 R)
• M18: 9,285,091 km (0.091 R)
• M19: 13,423,417 km (0.055 R)
• M20: 17,394,193 km (0.088 R)
• M21: 18,527,547 km (0.056 R)
• M22: 18,833,774 km (0.053 R)
• M23: 20,157,266 km (0.11 R)
• M24: 20,546,370 km (0.112 R)
• M25: 21,006,832 km (0.094 R)
• M26: 22,847,634 km (0.119 R)
• M27: 23,627,488 km (0.111 R)
• M28: 24,719,552 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 10.2

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.02 AU - 5.16 AU

Year: 6788 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 178.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,823,733 km

• M1: 126,859 km (0.086 R)
• M2: 536,458 km (0.096 R)
• M3: 958,623 km (0.093 R)
• M4: 1,783,955 km (0.11 R)
• M5: 2,882,601 km (0.09 R)
• M6: 3,403,501 km (0.087 R)
• M7: 3,935,172 km (0.118 R)
• M8: 4,301,836 km (0.115 R)
• M9: 6,454,999 km (0.071 R)
• M10: 7,080,018 km (0.069 R)
• M11: 8,238,953 km (0.06 R)
• M12: 9,153,894 km (0.111 R)
• M13: 13,094,451 km (0.088 R)
• M14: 15,790,803 km (0.028 R)
• M15: 19,807,207 km (0.111 R)
• M16: 23,338,764 km (0.112 R)
• M17: 24,808,862 km (0.118 R)
• M18: 26,339,847 km (0.092 R)
• M19: 34,507,442 km (0.053 R)
• M20: 37,101,768 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 973.1

Radius: 7.9

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.04 AU - 8.7 AU

Year: 13811 Days

Day: 23.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,823,733 km

• M1: 98,286 km (0.116 R)
• M2: 707,448 km (0.101 R)
• M3: 1,009,187 km (0.103 R)
• M4: 1,354,160 km (0.095 R)
• M5: 1,881,941 km (0.107 R)
• M6: 2,203,726 km (0.115 R)
• M7: 4,179,316 km (0.086 R)
• M8: 5,112,806 km (0.084 R)
• M9: 6,260,072 km (0.112 R)
• M10: 7,340,020 km (0.103 R)
• M11: 7,616,776 km (0.047 R)
• M12: 7,996,605 km (0.119 R)
• M13: 8,742,799 km (0.096 R)
• M14: 9,698,580 km (0.085 R)
• M15: 10,605,143 km (0.105 R)
• M16: 10,899,701 km (0.078 R)
• M17: 12,983,001 km (0.094 R)
• M18: 13,525,443 km (0.05 R)
• M19: 24,284,073 km (0.08 R)
• M20: 33,372,742 km (0.075 R)
• M21: 35,296,870 km (0.043 R)
• M22: 37,702,104 km (0.12 R)
• M23: 50,546,577 km (0.095 R)
• M24: 51,887,273 km (0.093 R)
• M25: 54,990,382 km (0.093 R)
• M26: 55,873,907 km (0.074 R)
• M27: 58,764,437 km (0.115 R)
• M28: 60,059,955 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 11,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit