🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.3

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.51 AU - 0.79 AU

Year: 355 Days

Day: 9.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,223,621 km

• M1: 184,305 km (0.064 R)
• M2: 658,231 km (0.097 R)
• M3: 1,120,189 km (0.08 R)
• M4: 1,713,344 km (0.089 R)
• M5: 2,686,329 km (0.029 R)
• M6: 3,372,086 km (0.049 R)
• M7: 3,863,215 km (0.116 R)
• M8: 5,067,478 km (0.115 R)
• M9: 5,552,774 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 9.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 14.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,223,621 km

• M1: 116,986 km (0.102 R)
• M2: 550,371 km (0.084 R)
• M3: 941,419 km (0.088 R)
• M4: 1,990,100 km (0.095 R)
• M5: 2,328,940 km (0.069 R)
• M6: 2,647,134 km (0.116 R)
• M7: 3,621,316 km (0.074 R)
• M8: 4,024,781 km (0.107 R)
• M9: 4,319,489 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 10.2

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.1 AU - 1.82 AU

Year: 1197 Days

Day: 7.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,223,621 km

• M1: 128,654 km (0.065 R)
• M2: 699,071 km (0.109 R)
• M3: 1,154,148 km (0.064 R)
• M4: 1,637,349 km (0.081 R)
• M5: 3,535,596 km (0.094 R)
• M6: 3,894,631 km (0.108 R)
• M7: 5,464,810 km (0.074 R)
• M8: 6,369,728 km (0.038 R)
• M9: 7,371,734 km (0.066 R)
• M10: 7,986,133 km (0.099 R)
• M11: 8,607,712 km (0.063 R)
• M12: 9,150,004 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.6

Radius: 11.4

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.58 AU - 1.98 AU

Year: 1611 Days

Day: 9.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 143.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,223,621 km

• M1: 154,834 km (0.091 R)
• M2: 594,352 km (0.049 R)
• M3: 8,078,734 km (0.081 R)
• M4: 9,206,403 km (0.026 R)
• M5: 9,808,384 km (0.067 R)
• M6: 10,579,412 km (0.052 R)
• M7: 11,240,036 km (0.119 R)
• M8: 12,242,491 km (0.089 R)
• M9: 13,261,702 km (0.09 R)
• M10: 15,283,666 km (0.09 R)
• M11: 15,796,189 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 10.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.75 AU - 2.07 AU

Year: 1790 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,223,621 km

• M1: 134,339 km (0.076 R)
• M2: 530,923 km (0.078 R)
• M3: 1,717,982 km (0.094 R)
• M4: 2,230,654 km (0.059 R)
• M5: 2,881,105 km (0.103 R)
• M6: 3,405,895 km (0.057 R)
• M7: 4,700,664 km (0.118 R)
• M8: 5,709,852 km (0.087 R)
• M9: 6,518,428 km (0.092 R)
• M10: 8,362,671 km (0.081 R)
• M11: 8,983,502 km (0.108 R)
• M12: 10,076,613 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.7

Radius: 8.3

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.22 AU - 3.86 AU

Year: 4517 Days

Day: 10.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,223,621 km

• M1: 103,821 km (0.107 R)
• M2: 834,008 km (0.102 R)
• M3: 1,355,357 km (0.059 R)
• M4: 2,387,432 km (0.085 R)
• M5: 3,543,076 km (0.089 R)
• M6: 4,640,825 km (0.1 R)
• M7: 5,116,247 km (0.095 R)
• M8: 5,711,497 km (0.086 R)
• M9: 7,349,295 km (0.112 R)
• M10: 7,995,707 km (0.088 R)
• M11: 8,332,901 km (0.11 R)
• M12: 8,640,474 km (0.092 R)
• M13: 9,693,044 km (0.093 R)
• M14: 10,828,642 km (0.12 R)
• M15: 11,149,081 km (0.092 R)
• M16: 13,571,968 km (0.056 R)
• M17: 14,378,749 km (0.105 R)
• M18: 16,686,446 km (0.097 R)
• M19: 20,178,658 km (0.102 R)
• M20: 21,443,209 km (0.118 R)
• M21: 23,210,409 km (0.068 R)
• M22: 23,974,704 km (0.058 R)
• M23: 27,963,732 km (0.089 R)
• M24: 29,268,075 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 13.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.67 AU - 5.25 AU

Year: 6388 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,223,621 km

• M1: 171,738 km (0.113 R)
• M2: 1,114,205 km (0.048 R)
• M3: 1,831,676 km (0.083 R)
• M4: 2,435,154 km (0.116 R)
• M5: 3,023,822 km (0.084 R)
• M6: 3,801,880 km (0.091 R)
• M7: 5,568,182 km (0.101 R)
• M8: 7,290,203 km (0.081 R)
• M9: 8,151,438 km (0.058 R)
• M10: 8,776,757 km (0.08 R)
• M11: 9,389,062 km (0.116 R)
• M12: 10,456,891 km (0.104 R)
• M13: 12,559,489 km (0.093 R)
• M14: 13,797,412 km (0.107 R)
• M15: 14,506,057 km (0.066 R)
• M16: 15,932,323 km (0.098 R)
• M17: 17,655,092 km (0.099 R)
• M18: 20,241,340 km (0.099 R)
• M19: 27,609,334 km (0.054 R)
• M20: 29,697,272 km (0.11 R)
• M21: 30,284,443 km (0.094 R)
• M22: 34,614,404 km (0.103 R)
• M23: 37,834,498 km (0.08 R)
• M24: 38,640,831 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 19,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit