🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 10

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.62 AU - 1 AU

Year: 478 Days

Day: 9.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,504,030 km

• M1: 124,316 km (0.119 R)
• M2: 514,317 km (0.05 R)
• M3: 825,481 km (0.085 R)
• M4: 1,173,745 km (0.09 R)
• M5: 1,536,520 km (0.084 R)
• M6: 1,960,330 km (0.086 R)
• M7: 2,950,519 km (0.111 R)
• M8: 3,567,909 km (0.102 R)
• M9: 4,017,900 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 11.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.7 AU - 1.16 AU

Year: 588 Days

Day: 11.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,504,030 km

• M1: 143,464 km (0.103 R)
• M2: 512,522 km (0.095 R)
• M3: 913,744 km (0.112 R)
• M4: 1,398,291 km (0.065 R)
• M5: 1,838,259 km (0.1 R)
• M6: 3,682,052 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 10.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.39 AU - 1.89 AU

Year: 1378 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,504,030 km

• M1: 129,851 km (0.045 R)
• M2: 470,485 km (0.102 R)
• M3: 980,614 km (0.051 R)
• M4: 1,402,031 km (0.114 R)
• M5: 1,915,900 km (0.107 R)
• M6: 2,846,548 km (0.116 R)
• M7: 3,324,364 km (0.06 R)
• M8: 3,735,608 km (0.085 R)
• M9: 4,424,806 km (0.092 R)
• M10: 4,906,212 km (0.119 R)
• M11: 5,441,174 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 14.3

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.37 AU - 5.39 AU

Year: 7072 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,504,030 km

• M1: 178,021 km (0.03 R)
• M2: 633,397 km (0.12 R)
• M3: 1,135,897 km (0.051 R)
• M4: 1,928,466 km (0.078 R)
• M5: 2,490,505 km (0.095 R)
• M6: 3,255,998 km (0.064 R)
• M7: 3,951,329 km (0.104 R)
• M8: 4,869,411 km (0.08 R)
• M9: 5,725,410 km (0.12 R)
• M10: 6,279,819 km (0.115 R)
• M11: 6,837,969 km (0.069 R)
• M12: 7,702,794 km (0.102 R)
• M13: 8,306,871 km (0.051 R)
• M14: 11,313,638 km (0.089 R)
• M15: 11,908,589 km (0.082 R)
• M16: 13,160,873 km (0.03 R)
• M17: 13,716,479 km (0.113 R)
• M18: 14,713,250 km (0.103 R)
• M19: 15,422,493 km (0.083 R)
• M20: 17,688,303 km (0.09 R)
• M21: 20,035,643 km (0.084 R)
• M22: 22,015,571 km (0.106 R)
• M23: 22,655,700 km (0.11 R)
• M24: 24,499,194 km (0.04 R)
• M25: 25,186,896 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 221.3

Radius: 5.6

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.48 AU - 6.58 AU

Year: 10947 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,504,030 km

• M1: 69,713 km (0.1 R)
• M2: 425,905 km (0.067 R)
• M3: 778,956 km (0.103 R)
• M4: 1,180,178 km (0.109 R)
• M5: 2,455,051 km (0.048 R)
• M6: 2,919,702 km (0.1 R)
• M7: 3,162,649 km (0.078 R)
• M8: 3,353,685 km (0.105 R)
• M9: 5,965,664 km (0.096 R)
• M10: 9,822,147 km (0.082 R)
• M11: 10,230,400 km (0.062 R)
• M12: 12,442,803 km (0.09 R)
• M13: 12,653,736 km (0.093 R)
• M14: 16,110,793 km (0.114 R)
• M15: 16,870,451 km (0.106 R)
• M16: 20,004,676 km (0.111 R)
• M17: 28,294,492 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.5

Radius: 3.9

Gravity: 53.55 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.56 AU - 10.48 AU

Year: 17771 Days

Day: 22 Hours

Environment

Temp: -234 °C

Axial Tilt: 114.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,504,030 km

• M1: 62,981 km (0.118 R)
• M2: 186,997 km (0.092 R)
• M3: 644,168 km (0.086 R)
• M4: 1,700,479 km (0.103 R)
• M5: 2,353,623 km (0.041 R)
• M6: 3,580,475 km (0.104 R)
• M7: 4,885,418 km (0.096 R)
• M8: 6,009,646 km (0.115 R)
• M9: 6,743,274 km (0.102 R)
• M10: 6,878,660 km (0.05 R)
• M11: 9,467,600 km (0.061 R)
• M12: 15,732,161 km (0.111 R)
• M13: 20,590,352 km (0.075 R)
• M14: 25,806,231 km (0.042 R)
• M15: 32,091,885 km (0.028 R)
• M16: 35,245,857 km (0.111 R)
• M17: 57,273,246 km (0.062 R)
• M18: 60,908,474 km (0.114 R)
• M19: 62,682,854 km (0.113 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: 268 - 13,615 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit