🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 8.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.55 AU - 0.69 AU

Year: 331 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,695,223 km

• M1: 103,223 km (0.074 R)
• M2: 366,066 km (0.091 R)
• M3: 729,888 km (0.046 R)
• M4: 1,369,718 km (0.11 R)
• M5: 1,752,838 km (0.118 R)
• M6: 2,039,617 km (0.078 R)
• M7: 2,366,190 km (0.109 R)
• M8: 2,629,332 km (0.102 R)
• M9: 2,959,495 km (0.095 R)
• M10: 3,235,503 km (0.092 R)
• M11: 3,507,023 km (0.119 R)
• M12: 3,862,318 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 9.9

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.84 AU - 1.24 AU

Year: 719 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,695,223 km

• M1: 123,119 km (0.102 R)
• M2: 530,175 km (0.05 R)
• M3: 972,386 km (0.084 R)
• M4: 1,371,214 km (0.104 R)
• M5: 2,631,427 km (0.108 R)
• M6: 3,339,024 km (0.117 R)
• M7: 3,803,825 km (0.027 R)
• M8: 4,327,418 km (0.05 R)
• M9: 5,257,318 km (0.084 R)
• M10: 6,028,196 km (0.082 R)
• M11: 7,841,920 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.4

Radius: 13.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.33 AU - 1.51 AU

Year: 1148 Days

Day: 8.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,695,223 km

• M1: 164,109 km (0.081 R)
• M2: 696,528 km (0.067 R)
• M3: 1,184,217 km (0.103 R)
• M4: 2,066,844 km (0.096 R)
• M5: 2,521,323 km (0.113 R)
• M6: 3,364,905 km (0.106 R)
• M7: 3,785,125 km (0.077 R)
• M8: 4,856,994 km (0.089 R)
• M9: 5,319,700 km (0.099 R)
• M10: 6,957,199 km (0.054 R)
• M11: 8,196,168 km (0.051 R)
• M12: 8,936,229 km (0.091 R)
• M13: 9,435,287 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.7

Radius: 14.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.77 AU - 2.81 AU

Year: 2350 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,695,223 km

• M1: 179,069 km (0.082 R)
• M2: 679,025 km (0.078 R)
• M3: 1,529,189 km (0.068 R)
• M4: 2,190,861 km (0.1 R)
• M5: 3,253,754 km (0.07 R)
• M6: 3,826,714 km (0.11 R)
• M7: 4,279,696 km (0.072 R)
• M8: 5,130,908 km (0.116 R)
• M9: 5,585,237 km (0.067 R)
• M10: 6,686,127 km (0.118 R)
• M11: 8,504,041 km (0.113 R)
• M12: 9,599,097 km (0.081 R)
• M13: 10,292,483 km (0.074 R)
• M14: 11,255,744 km (0.089 R)
• M15: 11,861,914 km (0.091 R)
• M16: 15,373,276 km (0.112 R)
• M17: 16,943,904 km (0.072 R)
• M18: 18,563,600 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.6

Radius: 9.7

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.83 AU - 2.85 AU

Year: 3246 Days

Day: 6.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 91,695,223 km

• M1: 122,820 km (0.117 R)
• M2: 435,629 km (0.093 R)
• M3: 753,674 km (0.113 R)
• M4: 1,142,180 km (0.072 R)
• M5: 2,311,287 km (0.118 R)
• M6: 2,655,811 km (0.113 R)
• M7: 3,134,973 km (0.1 R)
• M8: 3,902,111 km (0.068 R)
• M9: 4,458,316 km (0.077 R)
• M10: 4,812,115 km (0.099 R)
• M11: 5,184,913 km (0.051 R)
• M12: 5,909,714 km (0.069 R)
• M13: 7,255,946 km (0.111 R)
• M14: 7,747,075 km (0.094 R)
• M15: 8,129,896 km (0.106 R)
• M16: 9,679,581 km (0.103 R)
• M17: 10,698,791 km (0.085 R)
• M18: 11,913,675 km (0.114 R)
• M19: 13,904,823 km (0.087 R)
• M20: 14,954,850 km (0.075 R)
• M21: 15,549,502 km (0.118 R)
• M22: 16,418,815 km (0.066 R)
• M23: 17,975,979 km (0.095 R)
• M24: 18,648,272 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.8

Radius: 14.7

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.55 AU - 3.73 AU

Year: 4710 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,695,223 km

• M1: 182,809 km (0.12 R)
• M2: 683,812 km (0.084 R)
• M3: 1,221,766 km (0.047 R)
• M4: 1,683,275 km (0.118 R)
• M5: 2,563,509 km (0.098 R)
• M6: 3,918,866 km (0.104 R)
• M7: 6,742,825 km (0.026 R)
• M8: 8,494,317 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.2

Radius: 6.1

Gravity: 25.56 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.89 AU - 10.73 AU

Year: 22453 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,695,223 km

• M1: 88,712 km (0.064 R)
• M2: 355,145 km (0.043 R)
• M3: 819,796 km (0.075 R)
• M4: 1,311,076 km (0.116 R)
• M5: 1,939,985 km (0.106 R)
• M6: 2,287,351 km (0.081 R)
• M7: 3,645,251 km (0.064 R)
• M8: 5,345,132 km (0.061 R)
• M9: 5,983,616 km (0.092 R)
• M10: 7,259,087 km (0.075 R)
• M11: 8,258,850 km (0.113 R)
• M12: 11,666,240 km (0.114 R)
• M13: 12,086,910 km (0.07 R)
• M14: 12,810,215 km (0.062 R)
• M15: 13,793,223 km (0.119 R)
• M16: 16,252,013 km (0.075 R)
• M17: 24,206,132 km (0.111 R)
• M18: 25,005,284 km (0.118 R)
• M19: 31,771,446 km (0.119 R)
• M20: 34,415,289 km (0.115 R)
• M21: 35,571,082 km (0.071 R)
• M22: 53,415,117 km (0.073 R)
• M23: 54,573,154 km (0.081 R)
• M24: 57,541,475 km (0.111 R)
• M25: 59,167,903 km (0.114 R)
• M26: 59,785,443 km (0.094 R)
• M27: 64,664,727 km (0.055 R)
• M28: 68,663,328 km (0.089 R)
• M29: 71,186,446 km (0.095 R)
• M30: 71,651,695 km (0.057 R)
• M31: 75,688,743 km (0.092 R)
• M32: 76,660,232 km (0.092 R)
• M33: 86,307,200 km (0.111 R)
• M34: 89,243,657 km (0.11 R)
• M35: 90,600,210 km (0.038 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 17,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit