🌌 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: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764

Radius: 9.9

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.82 AU - 0.82 AU

Year: 479 Days

Day: 13 Hours

Environment

Temp: -148 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,621,669 km

• M1: 123,119 km (0.097 R)
• M2: 476,320 km (0.084 R)
• M3: 1,548,637 km (0.08 R)
• M4: 1,858,454 km (0.118 R)
• M5: 2,219,434 km (0.078 R)
• M6: 2,838,769 km (0.052 R)
• M7: 3,248,967 km (0.075 R)
• M8: 3,633,583 km (0.088 R)
• M9: 4,189,040 km (0.07 R)
• M10: 4,600,284 km (0.115 R)
• M11: 5,152,001 km (0.114 R)
• M12: 6,052,879 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 13

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.78 AU - 1.02 AU

Year: 551 Days

Day: 10.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,621,669 km

• M1: 161,715 km (0.057 R)
• M2: 787,782 km (0.093 R)
• M3: 1,199,476 km (0.076 R)
• M4: 1,793,230 km (0.083 R)
• M5: 2,353,025 km (0.094 R)
• M6: 2,842,360 km (0.077 R)
• M7: 3,247,471 km (0.107 R)
• M8: 3,857,680 km (0.087 R)
• M9: 5,362,036 km (0.08 R)
• M10: 6,886,439 km (0.116 R)
• M11: 7,490,964 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997

Radius: 11.7

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.86 AU - 1.14 AU

Year: 646 Days

Day: 9.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,621,669 km

• M1: 145,708 km (0.065 R)
• M2: 651,499 km (0.108 R)
• M3: 1,066,932 km (0.114 R)
• M4: 1,454,690 km (0.075 R)
• M5: 2,087,339 km (0.08 R)
• M6: 2,463,129 km (0.098 R)
• M7: 3,786,920 km (0.108 R)
• M8: 4,209,684 km (0.075 R)
• M9: 4,663,863 km (0.092 R)
• M10: 5,241,161 km (0.115 R)
• M11: 7,127,890 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 9

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.95 AU - 1.23 AU

Year: 735 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,621,669 km

• M1: 112,946 km (0.1 R)
• M2: 482,902 km (0.117 R)
• M3: 823,686 km (0.078 R)
• M4: 1,159,084 km (0.069 R)
• M5: 1,684,921 km (0.082 R)
• M6: 2,608,089 km (0.108 R)
• M7: 3,248,518 km (0.085 R)
• M8: 3,780,937 km (0.046 R)
• M9: 4,162,710 km (0.073 R)
• M10: 4,554,507 km (0.1 R)
• M11: 4,987,144 km (0.076 R)
• M12: 5,273,624 km (0.073 R)
• M13: 6,731,755 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 8

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.57 AU - 2.23 AU

Year: 1691 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,621,669 km

• M1: 99,483 km (0.066 R)
• M2: 386,262 km (0.048 R)
• M3: 771,775 km (0.069 R)
• M4: 1,190,051 km (0.116 R)
• M5: 1,653,505 km (0.116 R)
• M6: 2,067,592 km (0.119 R)
• M7: 2,419,147 km (0.089 R)
• M8: 3,196,308 km (0.104 R)
• M9: 3,754,159 km (0.088 R)
• M10: 4,730,883 km (0.025 R)
• M11: 5,020,654 km (0.114 R)
• M12: 5,500,115 km (0.103 R)
• M13: 8,161,013 km (0.119 R)
• M14: 8,458,114 km (0.114 R)
• M15: 9,360,638 km (0.055 R)
• M16: 10,533,784 km (0.118 R)
• M17: 11,915,171 km (0.095 R)
• M18: 13,869,817 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 11.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.03 AU - 3.21 AU

Year: 2738 Days

Day: 12.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,621,669 km

• M1: 138,079 km (0.049 R)
• M2: 497,862 km (0.098 R)
• M3: 1,497,774 km (0.053 R)
• M4: 2,349,584 km (0.117 R)
• M5: 3,543,375 km (0.114 R)
• M6: 4,510,376 km (0.037 R)
• M7: 6,048,541 km (0.044 R)
• M8: 6,960,939 km (0.038 R)
• M9: 9,029,727 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 12.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.47 AU - 4.39 AU

Year: 5030 Days

Day: 8.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,621,669 km

• M1: 157,975 km (0.071 R)
• M2: 739,313 km (0.105 R)
• M3: 1,544,000 km (0.106 R)
• M4: 2,220,332 km (0.102 R)
• M5: 2,619,608 km (0.066 R)
• M6: 3,928,590 km (0.101 R)
• M7: 4,493,322 km (0.091 R)
• M8: 5,196,581 km (0.085 R)
• M9: 6,034,778 km (0.091 R)
• M10: 7,030,651 km (0.104 R)
• M11: 7,791,057 km (0.088 R)
• M12: 8,605,318 km (0.116 R)
• M13: 9,263,399 km (0.094 R)
• M14: 10,403,934 km (0.044 R)
• M15: 13,069,169 km (0.045 R)
• M16: 14,789,844 km (0.11 R)
• M17: 16,283,728 km (0.08 R)
• M18: 22,962,525 km (0.113 R)
• M19: 23,590,088 km (0.095 R)
• M20: 24,553,050 km (0.094 R)
• M21: 25,961,663 km (0.079 R)
• M22: 28,308,704 km (0.072 R)
• M23: 29,487,835 km (0.111 R)
• M24: 31,174,102 km (0.095 R)
• M25: 31,846,993 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 12,842 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit