🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.9

Radius: 9.6

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.74 AU - 0.98 AU

Year: 551 Days

Day: 7.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,488,076 km

• M1: 119,379 km (0.092 R)
• M2: 426,803 km (0.074 R)
• M3: 844,929 km (0.07 R)
• M4: 1,156,840 km (0.069 R)
• M5: 1,577,061 km (0.062 R)
• M6: 1,937,891 km (0.048 R)
• M7: 2,515,937 km (0.053 R)
• M8: 3,144,098 km (0.083 R)
• M9: 3,614,285 km (0.059 R)
• M10: 4,145,357 km (0.112 R)
• M11: 4,507,085 km (0.119 R)
• M12: 5,139,884 km (0.112 R)
• M13: 5,793,926 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 10.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.93 AU - 0.93 AU

Year: 619 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 158.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,488,076 km

• M1: 133,142 km (0.049 R)
• M2: 487,988 km (0.054 R)
• M3: 857,196 km (0.095 R)
• M4: 1,792,781 km (0.096 R)
• M5: 2,309,642 km (0.062 R)
• M6: 3,008,264 km (0.069 R)
• M7: 3,616,977 km (0.116 R)
• M8: 4,399,973 km (0.07 R)
• M9: 5,203,313 km (0.046 R)
• M10: 6,382,294 km (0.048 R)
• M11: 7,918,365 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.9

Radius: 12.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.17 AU - 1.65 AU

Year: 1156 Days

Day: 10 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,488,076 km

• M1: 155,432 km (0.092 R)
• M2: 556,953 km (0.052 R)
• M3: 1,047,933 km (0.096 R)
• M4: 1,536,370 km (0.086 R)
• M5: 1,951,953 km (0.049 R)
• M6: 2,407,479 km (0.12 R)
• M7: 2,906,836 km (0.103 R)
• M8: 4,029,867 km (0.108 R)
• M9: 4,475,071 km (0.094 R)
• M10: 5,381,185 km (0.115 R)
• M11: 6,405,781 km (0.101 R)
• M12: 7,609,146 km (0.095 R)
• M13: 8,839,888 km (0.116 R)
• M14: 9,410,604 km (0.073 R)
• M15: 9,846,831 km (0.108 R)
• M16: 11,237,194 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.4

Radius: 10.1

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.84 AU - 1.94 AU

Year: 1794 Days

Day: 8.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,488,076 km

• M1: 125,662 km (0.106 R)
• M2: 502,050 km (0.099 R)
• M3: 952,639 km (0.111 R)
• M4: 1,812,079 km (0.088 R)
• M5: 2,201,482 km (0.116 R)
• M6: 2,622,301 km (0.086 R)
• M7: 3,890,891 km (0.112 R)
• M8: 4,669,997 km (0.1 R)
• M9: 6,673,262 km (0.069 R)
• M10: 7,386,993 km (0.098 R)
• M11: 8,938,323 km (0.064 R)
• M12: 9,452,042 km (0.086 R)
• M13: 9,775,622 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830

Radius: 14.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.62 AU - 2.32 AU

Year: 1909 Days

Day: 5.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,488,076 km

• M1: 183,407 km (0.115 R)
• M2: 648,956 km (0.066 R)
• M3: 1,207,704 km (0.025 R)
• M4: 2,178,444 km (0.065 R)
• M5: 2,836,076 km (0.108 R)
• M6: 3,351,890 km (0.074 R)
• M7: 4,176,473 km (0.106 R)
• M8: 4,827,224 km (0.091 R)
• M9: 5,474,983 km (0.044 R)
• M10: 6,154,905 km (0.11 R)
• M11: 6,918,154 km (0.104 R)
• M12: 8,257,802 km (0.096 R)
• M13: 9,660,582 km (0.111 R)
• M14: 11,485,676 km (0.086 R)
• M15: 12,562,182 km (0.067 R)
• M16: 13,273,669 km (0.107 R)
• M17: 14,731,950 km (0.098 R)
• M18: 15,241,031 km (0.119 R)
• M19: 15,857,823 km (0.036 R)
• M20: 16,639,771 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 10.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.6 AU - 2.46 AU

Year: 1996 Days

Day: 9.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,488,076 km

• M1: 133,142 km (0.103 R)
• M2: 476,170 km (0.097 R)
• M3: 1,050,027 km (0.086 R)
• M4: 1,872,367 km (0.068 R)
• M5: 2,302,760 km (0.114 R)
• M6: 2,734,799 km (0.092 R)
• M7: 3,135,721 km (0.084 R)
• M8: 3,637,771 km (0.079 R)
• M9: 4,278,948 km (0.085 R)
• M10: 4,728,489 km (0.025 R)
• M11: 7,317,131 km (0.073 R)
• M12: 7,725,683 km (0.091 R)
• M13: 9,072,363 km (0.095 R)
• M14: 9,574,264 km (0.1 R)
• M15: 10,441,483 km (0.111 R)
• M16: 10,861,553 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 5.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.64 AU - 6.6 AU

Year: 10451 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,488,076 km

• M1: 68,516 km (0.078 R)
• M2: 424,260 km (0.101 R)
• M3: 818,001 km (0.03 R)
• M4: 1,285,195 km (0.115 R)
• M5: 1,596,808 km (0.112 R)
• M6: 2,226,914 km (0.067 R)
• M7: 3,647,196 km (0.075 R)
• M8: 4,345,669 km (0.093 R)
• M9: 5,212,738 km (0.113 R)
• M10: 5,439,229 km (0.078 R)
• M11: 6,316,022 km (0.106 R)
• M12: 7,248,316 km (0.052 R)
• M13: 8,460,956 km (0.076 R)
• M14: 11,756,897 km (0.04 R)
• M15: 16,174,821 km (0.116 R)
• M16: 17,969,846 km (0.105 R)
• M17: 19,081,508 km (0.082 R)
• M18: 20,238,348 km (0.101 R)
• M19: 23,910,676 km (0.107 R)
• M20: 28,699,155 km (0.087 R)
• M21: 29,943,809 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 13,431 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit