🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 10.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.81 AU - 1.21 AU

Year: 655 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,434,796 km

• M1: 130,599 km (0.066 R)
• M2: 532,718 km (0.112 R)
• M3: 968,796 km (0.047 R)
• M4: 1,388,268 km (0.12 R)
• M5: 1,961,378 km (0.057 R)
• M6: 2,446,224 km (0.101 R)
• M7: 3,089,046 km (0.087 R)
• M8: 3,469,175 km (0.109 R)
• M9: 4,182,457 km (0.113 R)
• M10: 4,710,388 km (0.063 R)
• M11: 5,533,924 km (0.094 R)
• M12: 5,882,039 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.4

Radius: 11.9

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.96 AU - 1.32 AU

Year: 786 Days

Day: 14.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,434,796 km

• M1: 148,102 km (0.083 R)
• M2: 805,136 km (0.043 R)
• M3: 1,265,448 km (0.086 R)
• M4: 1,757,625 km (0.118 R)
• M5: 2,343,899 km (0.051 R)
• M6: 3,216,953 km (0.072 R)
• M7: 3,714,066 km (0.099 R)
• M8: 4,328,166 km (0.118 R)
• M9: 4,936,131 km (0.084 R)
• M10: 5,560,702 km (0.104 R)
• M11: 6,696,150 km (0.114 R)
• M12: 7,414,519 km (0.061 R)
• M13: 8,209,333 km (0.107 R)
• M14: 8,654,087 km (0.09 R)
• M15: 9,337,600 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.1

Radius: 10.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.27 AU - 1.51 AU

Year: 1058 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,434,796 km

• M1: 133,142 km (0.093 R)
• M2: 532,269 km (0.106 R)
• M3: 962,961 km (0.116 R)
• M4: 1,371,812 km (0.064 R)
• M5: 1,809,386 km (0.042 R)
• M6: 2,158,248 km (0.057 R)
• M7: 2,767,561 km (0.1 R)
• M8: 3,196,458 km (0.108 R)
• M9: 3,529,612 km (0.115 R)
• M10: 4,425,853 km (0.087 R)
• M11: 4,824,382 km (0.117 R)
• M12: 5,210,793 km (0.088 R)
• M13: 5,907,470 km (0.088 R)
• M14: 6,329,785 km (0.032 R)
• M15: 7,371,435 km (0.107 R)
• M16: 8,151,438 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373

Radius: 8.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.37 AU - 1.59 AU

Year: 1163 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,434,796 km

• M1: 104,419 km (0.104 R)
• M2: 438,771 km (0.091 R)
• M3: 797,357 km (0.093 R)
• M4: 1,291,778 km (0.063 R)
• M5: 1,613,263 km (0.104 R)
• M6: 2,238,433 km (0.094 R)
• M7: 3,016,043 km (0.102 R)
• M8: 4,009,373 km (0.081 R)
• M9: 4,547,027 km (0.096 R)
• M10: 5,490,990 km (0.119 R)
• M11: 5,766,100 km (0.085 R)
• M12: 6,408,474 km (0.108 R)
• M13: 6,691,662 km (0.099 R)
• M14: 7,330,146 km (0.104 R)
• M15: 7,810,654 km (0.111 R)
• M16: 8,209,931 km (0.096 R)
• M17: 8,754,767 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.2

Radius: 9.2

Gravity: 10.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.4 AU - 1.88 AU

Year: 1356 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,434,796 km

• M1: 115,340 km (0.098 R)
• M2: 459,265 km (0.06 R)
• M3: 803,191 km (0.094 R)
• M4: 1,122,732 km (0.117 R)
• M5: 1,574,218 km (0.036 R)
• M6: 2,120,699 km (0.109 R)
• M7: 2,679,747 km (0.066 R)
• M8: 3,225,779 km (0.091 R)
• M9: 4,001,893 km (0.073 R)
• M10: 4,481,803 km (0.073 R)
• M11: 5,316,559 km (0.101 R)
• M12: 5,897,298 km (0.106 R)
• M13: 7,811,552 km (0.119 R)
• M14: 8,651,993 km (0.102 R)
• M15: 9,551,674 km (0.108 R)
• M16: 10,444,175 km (0.111 R)
• M17: 10,753,693 km (0.112 R)
• M18: 11,645,745 km (0.047 R)
• M19: 11,978,750 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.1

Radius: 9.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.6 AU - 2.2 AU

Year: 1691 Days

Day: 13.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 120.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,434,796 km

• M1: 149,747 km (0.08 R)
• M2: 446,550 km (0.074 R)
• M3: 1,087,427 km (0.109 R)
• M4: 1,781,112 km (0.064 R)
• M5: 2,704,730 km (0.113 R)
• M6: 3,055,686 km (0.103 R)
• M7: 3,485,032 km (0.111 R)
• M8: 4,222,549 km (0.075 R)
• M9: 4,716,821 km (0.063 R)
• M10: 5,821,302 km (0.11 R)
• M11: 6,631,524 km (0.09 R)
• M12: 6,934,759 km (0.074 R)
• M13: 7,985,235 km (0.042 R)
• M14: 8,954,181 km (0.055 R)
• M15: 9,578,452 km (0.07 R)
• M16: 11,699,002 km (0.073 R)
• M17: 12,946,948 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 9.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.13 AU - 4.35 AU

Year: 4670 Days

Day: 12.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,434,796 km

• M1: 122,371 km (0.104 R)
• M2: 538,852 km (0.074 R)
• M3: 1,350,270 km (0.082 R)
• M4: 1,872,367 km (0.118 R)
• M5: 2,267,605 km (0.102 R)
• M6: 2,652,819 km (0.064 R)
• M7: 2,974,454 km (0.117 R)
• M8: 3,341,268 km (0.063 R)
• M9: 4,034,804 km (0.08 R)
• M10: 4,580,088 km (0.078 R)
• M11: 4,895,441 km (0.091 R)
• M12: 6,159,543 km (0.115 R)
• M13: 6,514,688 km (0.085 R)
• M14: 8,792,316 km (0.12 R)
• M15: 9,167,058 km (0.091 R)
• M16: 9,788,787 km (0.06 R)
• M17: 10,150,814 km (0.041 R)
• M18: 12,420,363 km (0.088 R)
• M19: 13,873,407 km (0.032 R)
• M20: 15,544,864 km (0.045 R)
• M21: 18,602,046 km (0.116 R)
• M22: 19,853,133 km (0.107 R)
• M23: 21,360,182 km (0.1 R)
• M24: 21,765,593 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 10.1

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.96 AU - 5.9 AU

Year: 7068 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,434,796 km

• M1: 126,560 km (0.105 R)
• M2: 540,796 km (0.055 R)
• M3: 964,308 km (0.099 R)
• M4: 1,949,260 km (0.064 R)
• M5: 3,939,510 km (0.117 R)
• M6: 4,801,194 km (0.107 R)
• M7: 5,365,776 km (0.114 R)
• M8: 6,167,771 km (0.043 R)
• M9: 7,486,326 km (0.111 R)
• M10: 7,942,749 km (0.11 R)
• M11: 8,452,429 km (0.119 R)
• M12: 9,202,513 km (0.057 R)
• M13: 9,688,706 km (0.12 R)
• M14: 12,113,837 km (0.091 R)
• M15: 17,159,773 km (0.098 R)
• M16: 20,298,337 km (0.117 R)
• M17: 21,641,277 km (0.095 R)
• M18: 22,434,744 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 19,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit