🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.6

Radius: 10.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.73 AU - 0.95 AU

Year: 497 Days

Day: 13.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,396,957 km

• M1: 128,056 km (0.111 R)
• M2: 472,280 km (0.059 R)
• M3: 830,119 km (0.094 R)
• M4: 1,335,011 km (0.108 R)
• M5: 1,662,481 km (0.103 R)
• M6: 2,810,794 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 12.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.03 AU - 1.37 AU

Year: 849 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,396,957 km

• M1: 156,479 km (0.119 R)
• M2: 665,262 km (0.053 R)
• M3: 1,574,218 km (0.093 R)
• M4: 2,317,271 km (0.062 R)
• M5: 2,983,430 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 9.7

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.34 AU - 1.58 AU

Year: 1139 Days

Day: 12.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,396,957 km

• M1: 121,025 km (0.075 R)
• M2: 440,267 km (0.065 R)
• M3: 841,039 km (0.057 R)
• M4: 1,184,965 km (0.112 R)
• M5: 1,857,706 km (0.109 R)
• M6: 2,224,371 km (0.109 R)
• M7: 3,366,102 km (0.103 R)
• M8: 3,736,656 km (0.039 R)
• M9: 4,134,287 km (0.105 R)
• M10: 4,541,941 km (0.106 R)
• M11: 5,274,223 km (0.101 R)
• M12: 6,378,255 km (0.088 R)
• M13: 6,972,757 km (0.064 R)
• M14: 7,577,731 km (0.105 R)
• M15: 8,355,041 km (0.12 R)
• M16: 9,634,701 km (0.044 R)
• M17: 9,973,989 km (0.116 R)
• M18: 11,378,115 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 11.7

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.49 AU - 1.85 AU

Year: 1393 Days

Day: 11.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,396,957 km

• M1: 150,495 km (0.067 R)
• M2: 686,953 km (0.101 R)
• M3: 1,089,671 km (0.078 R)
• M4: 2,117,109 km (0.1 R)
• M5: 2,707,123 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.3

Radius: 10.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.93 AU - 2.15 AU

Year: 1881 Days

Day: 14.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,396,957 km

• M1: 162,164 km (0.073 R)
• M2: 1,491,790 km (0.083 R)
• M3: 1,855,612 km (0.093 R)
• M4: 2,791,646 km (0.114 R)
• M5: 4,407,004 km (0.108 R)
• M6: 4,750,929 km (0.107 R)
• M7: 5,670,507 km (0.084 R)
• M8: 6,099,255 km (0.082 R)
• M9: 9,338,497 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.4

Radius: 10.1

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.35 AU - 2.67 AU

Year: 2568 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,396,957 km

• M1: 125,662 km (0.07 R)
• M2: 459,864 km (0.098 R)
• M3: 915,689 km (0.048 R)
• M4: 1,529,189 km (0.064 R)
• M5: 2,878,861 km (0.117 R)
• M6: 3,193,615 km (0.113 R)
• M7: 3,513,306 km (0.038 R)
• M8: 4,033,159 km (0.078 R)
• M9: 4,625,716 km (0.081 R)
• M10: 5,251,184 km (0.033 R)
• M11: 6,362,697 km (0.034 R)
• M12: 8,199,160 km (0.099 R)
• M13: 10,713,900 km (0.115 R)
• M14: 12,275,104 km (0.103 R)
• M15: 12,666,153 km (0.055 R)
• M16: 13,245,545 km (0.045 R)
• M17: 13,935,790 km (0.07 R)
• M18: 14,942,434 km (0.082 R)
• M19: 16,939,416 km (0.099 R)
• M20: 18,253,334 km (0.09 R)
• M21: 18,877,755 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 11.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.98 AU - 4.76 AU

Year: 5898 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,396,957 km

• M1: 146,756 km (0.115 R)
• M2: 563,236 km (0.109 R)
• M3: 1,018,612 km (0.104 R)
• M4: 1,417,440 km (0.102 R)
• M5: 1,820,905 km (0.037 R)
• M6: 3,089,196 km (0.12 R)
• M7: 3,779,291 km (0.11 R)
• M8: 4,199,960 km (0.078 R)
• M9: 5,106,823 km (0.104 R)
• M10: 5,781,060 km (0.114 R)
• M11: 8,083,371 km (0.098 R)
• M12: 9,349,867 km (0.058 R)
• M13: 10,550,839 km (0.064 R)
• M14: 13,426,409 km (0.032 R)
• M15: 15,569,548 km (0.076 R)
• M16: 18,487,604 km (0.111 R)
• M17: 18,983,222 km (0.081 R)
• M18: 20,448,383 km (0.077 R)
• M19: 21,673,889 km (0.069 R)
• M20: 23,028,947 km (0.119 R)
• M21: 24,694,420 km (0.102 R)
• M22: 27,341,255 km (0.069 R)
• M23: 28,639,016 km (0.03 R)
• M24: 36,408,980 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 12.8

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.98 AU - 5.94 AU

Year: 8238 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,396,957 km

• M1: 159,172 km (0.102 R)
• M2: 715,676 km (0.054 R)
• M3: 1,946,867 km (0.1 R)
• M4: 2,359,009 km (0.099 R)
• M5: 3,987,830 km (0.083 R)
• M6: 5,785,548 km (0.046 R)
• M7: 6,586,645 km (0.064 R)
• M8: 7,460,446 km (0.055 R)
• M9: 9,813,770 km (0.108 R)
• M10: 11,697,805 km (0.078 R)
• M11: 12,327,014 km (0.05 R)
• M12: 15,185,680 km (0.118 R)
• M13: 18,460,527 km (0.072 R)
• M14: 19,314,132 km (0.081 R)
• M15: 22,033,373 km (0.096 R)
• M16: 28,913,977 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 8.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.9 AU - 6.74 AU

Year: 9066 Days

Day: 9.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,396,957 km

• M1: 109,655 km (0.097 R)
• M2: 445,203 km (0.057 R)
• M3: 990,188 km (0.116 R)
• M4: 1,857,856 km (0.057 R)
• M5: 2,150,320 km (0.106 R)
• M6: 2,473,451 km (0.078 R)
• M7: 3,090,991 km (0.082 R)
• M8: 4,536,705 km (0.092 R)
• M9: 4,848,168 km (0.09 R)
• M10: 5,568,182 km (0.097 R)
• M11: 6,067,540 km (0.11 R)
• M12: 6,446,471 km (0.111 R)
• M13: 7,123,851 km (0.113 R)
• M14: 7,446,982 km (0.117 R)
• M15: 9,174,688 km (0.059 R)
• M16: 10,396,753 km (0.067 R)
• M17: 13,796,963 km (0.11 R)
• M18: 16,660,715 km (0.085 R)
• M19: 18,837,364 km (0.062 R)
• M20: 20,153,825 km (0.116 R)
• M21: 21,530,425 km (0.094 R)
• M22: 23,179,292 km (0.105 R)
• M23: 24,034,394 km (0.08 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 15,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit