🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889

Radius: 14.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.69 AU - 0.71 AU

Year: 397 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,718,433 km

• M1: 180,415 km (0.039 R)
• M2: 640,129 km (0.089 R)
• M3: 1,234,332 km (0.06 R)
• M4: 1,692,700 km (0.07 R)
• M5: 2,642,347 km (0.085 R)
• M6: 3,460,947 km (0.075 R)
• M7: 4,205,495 km (0.034 R)
• M8: 4,931,344 km (0.064 R)
• M9: 5,389,712 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.9

Radius: 8.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.03 AU - 1.05 AU

Year: 719 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,718,433 km

• M1: 102,325 km (0.105 R)
• M2: 398,678 km (0.083 R)
• M3: 806,632 km (0.097 R)
• M4: 1,133,054 km (0.082 R)
• M5: 2,172,909 km (0.102 R)
• M6: 2,433,209 km (0.056 R)
• M7: 2,921,796 km (0.105 R)
• M8: 3,265,572 km (0.072 R)
• M9: 5,444,764 km (0.106 R)
• M10: 7,048,304 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 12.7

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.91 AU - 1.31 AU

Year: 793 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,718,433 km

• M1: 157,975 km (0.056 R)
• M2: 633,996 km (0.104 R)
• M3: 1,050,027 km (0.074 R)
• M4: 1,590,674 km (0.085 R)
• M5: 2,018,973 km (0.031 R)
• M6: 2,748,262 km (0.07 R)
• M7: 3,249,565 km (0.044 R)
• M8: 4,472,079 km (0.111 R)
• M9: 5,076,604 km (0.094 R)
• M10: 5,775,375 km (0.05 R)
• M11: 6,828,844 km (0.082 R)
• M12: 7,318,029 km (0.081 R)
• M13: 7,730,919 km (0.046 R)
• M14: 8,288,620 km (0.111 R)
• M15: 8,684,007 km (0.117 R)
• M16: 9,147,461 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 10.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.42 AU - 2.78 AU

Year: 2843 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,718,433 km

• M1: 128,056 km (0.076 R)
• M2: 459,116 km (0.085 R)
• M3: 912,697 km (0.105 R)
• M4: 1,352,664 km (0.071 R)
• M5: 1,688,212 km (0.045 R)
• M6: 2,178,743 km (0.063 R)
• M7: 2,632,923 km (0.047 R)
• M8: 3,106,549 km (0.116 R)
• M9: 4,497,062 km (0.108 R)
• M10: 5,095,603 km (0.118 R)
• M11: 6,126,182 km (0.098 R)
• M12: 6,475,344 km (0.054 R)
• M13: 7,550,653 km (0.108 R)
• M14: 11,914,722 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246

Radius: 5.9

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.37 AU - 7.59 AU

Year: 11188 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,718,433 km

• M1: 73,602 km (0.07 R)
• M2: 266,434 km (0.104 R)
• M3: 502,050 km (0.111 R)
• M4: 786,735 km (0.046 R)
• M5: 976,425 km (0.081 R)
• M6: 1,855,313 km (0.118 R)
• M7: 2,401,046 km (0.111 R)
• M8: 3,302,523 km (0.117 R)
• M9: 3,805,620 km (0.092 R)
• M10: 4,518,005 km (0.054 R)
• M11: 4,764,842 km (0.115 R)
• M12: 5,811,728 km (0.094 R)
• M13: 6,136,953 km (0.074 R)
• M14: 6,371,972 km (0.03 R)
• M15: 6,682,686 km (0.105 R)
• M16: 8,309,563 km (0.076 R)
• M17: 8,849,312 km (0.052 R)
• M18: 9,280,005 km (0.088 R)
• M19: 9,500,662 km (0.034 R)
• M20: 9,860,893 km (0.055 R)
• M21: 10,608,733 km (0.103 R)
• M22: 13,188,997 km (0.087 R)
• M23: 13,694,189 km (0.119 R)
• M24: 14,387,575 km (0.113 R)
• M25: 17,197,173 km (0.05 R)
• M26: 17,732,284 km (0.1 R)
• M27: 19,404,190 km (0.095 R)
• M28: 24,791,359 km (0.112 R)
• M29: 25,907,060 km (0.118 R)
• M30: 29,454,175 km (0.064 R)
• M31: 33,621,822 km (0.1 R)
• M32: 34,457,925 km (0.058 R)
• M33: 34,987,501 km (0.072 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 13,873 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit