🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 12.2

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.2 AU - 1.22 AU

Year: 873 Days

Day: 6.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,021,309 km

• M1: 152,291 km (0.049 R)
• M2: 575,204 km (0.046 R)
• M3: 1,702,873 km (0.066 R)
• M4: 2,231,103 km (0.111 R)
• M5: 3,485,032 km (0.069 R)
• M6: 4,298,096 km (0.11 R)
• M7: 5,127,467 km (0.091 R)
• M8: 5,750,243 km (0.108 R)
• M9: 6,260,072 km (0.085 R)
• M10: 6,928,925 km (0.08 R)
• M11: 7,484,082 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 10.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.22 AU - 1.52 AU

Year: 1052 Days

Day: 13.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,021,309 km

• M1: 132,693 km (0.104 R)
• M2: 746,344 km (0.118 R)
• M3: 1,103,434 km (0.1 R)
• M4: 1,698,085 km (0.084 R)
• M5: 2,100,803 km (0.097 R)
• M6: 2,688,124 km (0.082 R)
• M7: 3,088,298 km (0.044 R)
• M8: 3,513,456 km (0.078 R)
• M9: 3,865,609 km (0.109 R)
• M10: 4,464,599 km (0.109 R)
• M11: 5,260,160 km (0.104 R)
• M12: 6,847,095 km (0.088 R)
• M13: 8,485,640 km (0.119 R)
• M14: 9,209,245 km (0.107 R)
• M15: 10,371,172 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.3

Radius: 9.8

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.44 AU - 1.85 AU

Year: 1378 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,021,309 km

• M1: 219,460 km (0.108 R)
• M2: 572,212 km (0.04 R)
• M3: 1,191,697 km (0.081 R)
• M4: 2,249,354 km (0.105 R)
• M5: 2,662,094 km (0.094 R)
• M6: 3,260,336 km (0.082 R)
• M7: 3,624,607 km (0.085 R)
• M8: 4,803,887 km (0.05 R)
• M9: 5,758,920 km (0.074 R)
• M10: 6,462,778 km (0.085 R)
• M11: 6,886,439 km (0.08 R)
• M12: 7,435,463 km (0.051 R)
• M13: 7,762,035 km (0.108 R)
• M14: 9,765,599 km (0.11 R)
• M15: 11,943,595 km (0.069 R)
• M16: 12,316,991 km (0.076 R)
• M17: 13,284,441 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 9.5

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.61 AU - 1.75 AU

Year: 1428 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,021,309 km

• M1: 120,127 km (0.105 R)
• M2: 488,736 km (0.096 R)
• M3: 884,871 km (0.067 R)
• M4: 1,389,914 km (0.096 R)
• M5: 1,749,098 km (0.09 R)
• M6: 2,158,847 km (0.104 R)
• M7: 2,500,977 km (0.09 R)
• M8: 2,865,248 km (0.109 R)
• M9: 3,264,824 km (0.066 R)
• M10: 3,752,363 km (0.084 R)
• M11: 4,672,390 km (0.107 R)
• M12: 6,179,738 km (0.082 R)
• M13: 6,571,236 km (0.099 R)
• M14: 8,512,268 km (0.119 R)
• M15: 8,813,559 km (0.089 R)
• M16: 9,437,382 km (0.08 R)
• M17: 11,632,730 km (0.094 R)
• M18: 12,230,823 km (0.1 R)
• M19: 13,086,373 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.5

Radius: 9.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.22 AU - 2.26 AU

Year: 2199 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,021,309 km

• M1: 131,048 km (0.075 R)
• M2: 524,939 km (0.074 R)
• M3: 915,689 km (0.077 R)
• M4: 1,637,797 km (0.097 R)
• M5: 2,329,987 km (0.083 R)
• M6: 2,761,577 km (0.118 R)
• M7: 3,152,775 km (0.076 R)
• M8: 4,639,329 km (0.097 R)
• M9: 4,974,578 km (0.114 R)
• M10: 5,773,580 km (0.049 R)
• M11: 7,601,367 km (0.083 R)
• M12: 9,170,200 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 9.9

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.15 AU - 5.93 AU

Year: 7423 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,021,309 km

• M1: 123,119 km (0.064 R)
• M2: 468,391 km (0.07 R)
• M3: 1,092,962 km (0.087 R)
• M4: 1,615,208 km (0.082 R)
• M5: 2,013,438 km (0.081 R)
• M6: 3,339,473 km (0.116 R)
• M7: 4,227,935 km (0.1 R)
• M8: 4,844,129 km (0.051 R)
• M9: 5,328,975 km (0.074 R)
• M10: 6,014,283 km (0.115 R)
• M11: 6,539,073 km (0.102 R)
• M12: 8,130,046 km (0.065 R)
• M13: 9,082,984 km (0.096 R)
• M14: 11,896,920 km (0.116 R)
• M15: 16,355,386 km (0.076 R)
• M16: 18,226,556 km (0.103 R)
• M17: 19,777,437 km (0.043 R)
• M18: 26,865,833 km (0.052 R)
• M19: 28,968,580 km (0.114 R)
• M20: 29,959,666 km (0.102 R)
• M21: 31,696,348 km (0.064 R)
• M22: 35,145,626 km (0.111 R)
• M23: 36,960,697 km (0.107 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: 382 - 20,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit