🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.2

Radius: 11

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.59 AU - 0.85 AU

Year: 401 Days

Day: 9.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 18,134,980 km

• M1: 137,032 km (0.112 R)
• M2: 499,806 km (0.104 R)
• M3: 875,297 km (0.067 R)
• M4: 1,322,894 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.4

Radius: 9.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.01 AU - 1.05 AU

Year: 686 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,134,980 km

• M1: 121,922 km (0.101 R)
• M2: 714,031 km (0.061 R)
• M3: 1,162,076 km (0.117 R)
• M4: 1,518,269 km (0.095 R)
• M5: 1,895,106 km (0.092 R)
• M6: 3,101,912 km (0.07 R)
• M7: 3,927,542 km (0.098 R)
• M8: 4,423,310 km (0.113 R)
• M9: 4,793,116 km (0.055 R)
• M10: 5,236,075 km (0.064 R)
• M11: 6,793,838 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 8.9

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.18 AU - 1.52 AU

Year: 1029 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,134,980 km

• M1: 110,852 km (0.106 R)
• M2: 395,836 km (0.047 R)
• M3: 686,205 km (0.102 R)
• M4: 1,088,773 km (0.114 R)
• M5: 1,413,251 km (0.093 R)
• M6: 1,941,332 km (0.105 R)
• M7: 3,039,380 km (0.089 R)
• M8: 3,432,673 km (0.088 R)
• M9: 4,078,337 km (0.029 R)
• M10: 4,438,868 km (0.037 R)
• M11: 4,802,690 km (0.1 R)
• M12: 5,669,759 km (0.103 R)
• M13: 6,310,637 km (0.082 R)
• M14: 6,771,548 km (0.099 R)
• M15: 7,785,672 km (0.09 R)
• M16: 8,342,026 km (0.106 R)
• M17: 9,143,272 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 10.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.67 AU - 2.59 AU

Year: 2039 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,134,980 km

• M1: 135,536 km (0.099 R)
• M2: 526,884 km (0.044 R)
• M3: 1,092,962 km (0.079 R)
• M4: 1,662,780 km (0.093 R)
• M5: 2,089,433 km (0.064 R)
• M6: 2,689,321 km (0.08 R)
• M7: 3,435,216 km (0.111 R)
• M8: 4,233,769 km (0.028 R)
• M9: 5,597,504 km (0.086 R)
• M10: 5,942,476 km (0.104 R)
• M11: 6,327,691 km (0.103 R)
• M12: 6,839,764 km (0.12 R)
• M13: 8,101,024 km (0.105 R)
• M14: 8,968,692 km (0.096 R)
• M15: 10,550,988 km (0.063 R)
• M16: 13,944,766 km (0.04 R)
• M17: 14,489,152 km (0.091 R)
• M18: 15,912,426 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.3

Radius: 9.3

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.03 AU - 2.47 AU

Year: 2214 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 18,134,980 km

• M1: 115,789 km (0.113 R)
• M2: 483,201 km (0.097 R)
• M3: 806,033 km (0.115 R)
• M4: 1,564,195 km (0.099 R)
• M5: 2,003,415 km (0.064 R)
• M6: 2,432,910 km (0.117 R)
• M7: 3,238,644 km (0.087 R)
• M8: 3,661,109 km (0.111 R)
• M9: 6,625,390 km (0.034 R)
• M10: 7,254,150 km (0.03 R)
• M11: 10,974,201 km (0.11 R)
• M12: 11,481,936 km (0.064 R)
• M13: 12,740,951 km (0.116 R)
• M14: 13,963,316 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 14.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.1 AU - 2.74 AU

Year: 2470 Days

Day: 5.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,134,980 km

• M1: 179,069 km (0.055 R)
• M2: 809,175 km (0.106 R)
• M3: 1,346,979 km (0.03 R)
• M4: 1,822,551 km (0.112 R)
• M5: 2,439,492 km (0.105 R)
• M6: 3,079,921 km (0.05 R)
• M7: 3,756,253 km (0.111 R)
• M8: 4,240,800 km (0.102 R)
• M9: 4,745,244 km (0.101 R)
• M10: 6,133,363 km (0.089 R)
• M11: 6,837,371 km (0.096 R)
• M12: 8,936,229 km (0.099 R)
• M13: 9,628,269 km (0.118 R)
• M14: 10,133,760 km (0.051 R)
• M15: 11,435,560 km (0.072 R)
• M16: 12,085,563 km (0.087 R)
• M17: 13,728,746 km (0.102 R)
• M18: 15,031,594 km (0.091 R)
• M19: 15,516,441 km (0.087 R)
• M20: 18,703,923 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.4

Radius: 8.3

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.65 AU - 4.17 AU

Year: 4131 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,134,980 km

• M1: 105,018 km (0.072 R)
• M2: 431,291 km (0.074 R)
• M3: 1,038,957 km (0.109 R)
• M4: 1,327,831 km (0.102 R)
• M5: 1,790,537 km (0.111 R)
• M6: 2,537,629 km (0.105 R)
• M7: 3,513,306 km (0.09 R)
• M8: 4,135,932 km (0.105 R)
• M9: 5,599,747 km (0.07 R)
• M10: 6,182,730 km (0.076 R)
• M11: 6,918,004 km (0.101 R)
• M12: 7,292,298 km (0.078 R)
• M13: 8,207,687 km (0.057 R)
• M14: 9,650,559 km (0.025 R)
• M15: 11,733,260 km (0.033 R)
• M16: 12,644,461 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 20,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit