🌌 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: 43.3

Radius: 8.1

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.62 AU - 1.02 AU

Year: 495 Days

Day: 14.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,646,790 km

• M1: 100,679 km (0.115 R)
• M2: 568,622 km (0.065 R)
• M3: 848,220 km (0.059 R)
• M4: 1,127,818 km (0.1 R)
• M5: 1,444,966 km (0.099 R)
• M6: 1,983,518 km (0.073 R)
• M7: 2,537,778 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 13.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 10.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,646,790 km

• M1: 166,652 km (0.051 R)
• M2: 731,534 km (0.087 R)
• M3: 1,234,033 km (0.046 R)
• M4: 1,808,937 km (0.032 R)
• M5: 2,581,311 km (0.052 R)
• M6: 3,342,166 km (0.109 R)
• M7: 4,010,869 km (0.072 R)
• M8: 4,494,518 km (0.084 R)
• M9: 5,119,838 km (0.052 R)
• M10: 5,653,902 km (0.098 R)
• M11: 6,688,820 km (0.076 R)
• M12: 7,132,378 km (0.077 R)
• M13: 7,754,406 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.4

Radius: 8.7

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.38 AU - 1.46 AU

Year: 1128 Days

Day: 12.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,646,790 km

• M1: 108,309 km (0.094 R)
• M2: 416,032 km (0.108 R)
• M3: 775,067 km (0.108 R)
• M4: 1,047,634 km (0.088 R)
• M5: 1,325,736 km (0.12 R)
• M6: 1,602,792 km (0.064 R)
• M7: 1,977,085 km (0.099 R)
• M8: 2,298,422 km (0.083 R)
• M9: 2,654,465 km (0.078 R)
• M10: 3,250,911 km (0.107 R)
• M11: 4,143,412 km (0.058 R)
• M12: 4,497,660 km (0.095 R)
• M13: 4,872,253 km (0.088 R)
• M14: 7,233,207 km (0.079 R)
• M15: 8,131,243 km (0.099 R)
• M16: 8,852,005 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.8

Radius: 9.3

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.85 AU - 1.91 AU

Year: 1719 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,646,790 km

• M1: 115,639 km (0.058 R)
• M2: 414,386 km (0.108 R)
• M3: 714,629 km (0.052 R)
• M4: 1,101,788 km (0.081 R)
• M5: 1,736,831 km (0.068 R)
• M6: 2,178,893 km (0.058 R)
• M7: 2,585,350 km (0.098 R)
• M8: 3,057,182 km (0.116 R)
• M9: 3,551,753 km (0.1 R)
• M10: 4,402,815 km (0.102 R)
• M11: 5,937,988 km (0.068 R)
• M12: 6,606,392 km (0.099 R)
• M13: 7,687,535 km (0.119 R)
• M14: 8,572,856 km (0.119 R)
• M15: 9,040,349 km (0.114 R)
• M16: 9,756,624 km (0.101 R)
• M17: 10,865,293 km (0.095 R)
• M18: 12,802,885 km (0.093 R)
• M19: 13,538,458 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.8

Radius: 14.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.04 AU - 2.06 AU

Year: 1957 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,646,790 km

• M1: 181,612 km (0.099 R)
• M2: 802,144 km (0.03 R)
• M3: 1,363,734 km (0.073 R)
• M4: 1,987,857 km (0.118 R)
• M5: 2,876,019 km (0.103 R)
• M6: 3,362,362 km (0.081 R)
• M7: 4,399,673 km (0.119 R)
• M8: 5,300,851 km (0.116 R)
• M9: 5,827,286 km (0.119 R)
• M10: 6,798,176 km (0.113 R)
• M11: 8,134,384 km (0.035 R)
• M12: 9,061,592 km (0.11 R)
• M13: 9,817,360 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 11.4

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.05 AU - 4.59 AU

Year: 4979 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,646,790 km

• M1: 143,614 km (0.101 R)
• M2: 756,068 km (0.068 R)
• M3: 1,295,069 km (0.113 R)
• M4: 2,111,125 km (0.106 R)
• M5: 2,809,149 km (0.106 R)
• M6: 3,444,641 km (0.107 R)
• M7: 4,896,937 km (0.101 R)
• M8: 6,120,946 km (0.076 R)
• M9: 7,225,278 km (0.025 R)
• M10: 7,680,953 km (0.094 R)
• M11: 11,664,744 km (0.055 R)
• M12: 21,696,927 km (0.085 R)
• M13: 23,095,817 km (0.069 R)
• M14: 23,855,774 km (0.092 R)
• M15: 25,909,902 km (0.098 R)
• M16: 28,596,680 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.1

Radius: 5.3

Gravity: 27.45 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.35 AU - 10.15 AU

Year: 15802 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,646,790 km

• M1: 65,973 km (0.1 R)
• M2: 466,596 km (0.071 R)
• M3: 805,285 km (0.114 R)
• M4: 1,134,550 km (0.104 R)
• M5: 1,471,445 km (0.114 R)
• M6: 2,138,202 km (0.111 R)
• M7: 3,166,688 km (0.094 R)
• M8: 4,522,194 km (0.111 R)
• M9: 5,108,767 km (0.109 R)
• M10: 6,021,165 km (0.112 R)
• M11: 9,083,433 km (0.11 R)
• M12: 9,404,769 km (0.116 R)
• M13: 10,826,099 km (0.12 R)
• M14: 12,254,908 km (0.116 R)
• M15: 13,735,029 km (0.086 R)
• M16: 15,031,295 km (0.073 R)
• M17: 18,200,376 km (0.096 R)
• M18: 19,672,270 km (0.098 R)
• M19: 20,300,880 km (0.025 R)
• M20: 21,692,738 km (0.071 R)
• M21: 23,345,645 km (0.031 R)
• M22: 29,849,562 km (0.116 R)
• M23: 36,785,219 km (0.083 R)
• M24: 37,464,393 km (0.101 R)
• M25: 48,678,399 km (0.107 R)
• M26: 55,483,905 km (0.087 R)
• M27: 60,231,693 km (0.078 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: 429 - 19,956 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit