🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.5

Radius: 9.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.82 AU - 1.16 AU

Year: 646 Days

Day: 13.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,530,097 km

• M1: 121,324 km (0.11 R)
• M2: 302,337 km (0.108 R)
• M3: 558,150 km (0.067 R)
• M4: 754,123 km (0.098 R)
• M5: 945,608 km (0.106 R)
• M6: 1,172,399 km (0.096 R)
• M7: 1,448,855 km (0.093 R)
• M8: 1,677,291 km (0.101 R)
• M9: 1,859,053 km (0.117 R)
• M10: 2,064,151 km (0.102 R)
• M11: 2,266,557 km (0.039 R)
• M12: 2,677,802 km (0.103 R)
• M13: 2,966,376 km (0.107 R)
• M14: 3,499,693 km (0.104 R)
• M15: 3,820,879 km (0.036 R)
• M16: 4,295,104 km (0.113 R)
• M17: 4,507,085 km (0.11 R)
• M18: 5,108,767 km (0.085 R)
• M19: 5,396,145 km (0.083 R)
• M20: 5,760,864 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567

Radius: 14

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.21 AU - 1.61 AU

Year: 1098 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,530,097 km

• M1: 174,730 km (0.074 R)
• M2: 588,219 km (0.107 R)
• M3: 975,378 km (0.111 R)
• M4: 1,306,139 km (0.074 R)
• M5: 1,789,639 km (0.072 R)
• M6: 2,085,544 km (0.081 R)
• M7: 2,368,284 km (0.092 R)
• M8: 3,067,804 km (0.089 R)
• M9: 3,925,299 km (0.098 R)
• M10: 4,201,755 km (0.081 R)
• M11: 4,474,772 km (0.062 R)
• M12: 4,949,595 km (0.111 R)
• M13: 5,776,123 km (0.114 R)
• M14: 6,128,277 km (0.06 R)
• M15: 6,443,330 km (0.117 R)
• M16: 6,733,699 km (0.109 R)
• M17: 7,097,671 km (0.109 R)
• M18: 7,557,684 km (0.12 R)
• M19: 8,393,787 km (0.066 R)
• M20: 9,007,587 km (0.119 R)
• M21: 9,390,408 km (0.041 R)
• M22: 10,220,527 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635

Radius: 11.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.52 AU - 2.42 AU

Year: 1814 Days

Day: 9.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,530,097 km

• M1: 224,846 km (0.046 R)
• M2: 586,723 km (0.093 R)
• M3: 973,882 km (0.111 R)
• M4: 1,491,491 km (0.064 R)
• M5: 1,714,242 km (0.114 R)
• M6: 1,954,047 km (0.105 R)
• M7: 2,763,671 km (0.111 R)
• M8: 4,065,472 km (0.07 R)
• M9: 4,520,100 km (0.043 R)
• M10: 4,764,991 km (0.106 R)
• M11: 5,432,946 km (0.086 R)
• M12: 5,996,032 km (0.1 R)
• M13: 9,031,223 km (0.093 R)
• M14: 10,021,412 km (0.077 R)
• M15: 10,536,178 km (0.09 R)
• M16: 12,052,352 km (0.066 R)
• M17: 14,359,900 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 13.2

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.08 AU - 4.54 AU

Year: 5870 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,530,097 km

• M1: 165,006 km (0.073 R)
• M2: 466,147 km (0.111 R)
• M3: 1,842,298 km (0.12 R)
• M4: 2,288,099 km (0.111 R)
• M5: 2,980,438 km (0.108 R)
• M6: 3,319,427 km (0.039 R)
• M7: 3,604,561 km (0.094 R)
• M8: 5,083,485 km (0.037 R)
• M9: 5,758,172 km (0.064 R)
• M10: 6,851,433 km (0.081 R)
• M11: 7,959,804 km (0.049 R)
• M12: 9,182,616 km (0.119 R)
• M13: 12,302,031 km (0.052 R)
• M14: 15,191,514 km (0.081 R)
• M15: 15,497,292 km (0.093 R)
• M16: 16,314,994 km (0.101 R)
• M17: 16,871,797 km (0.064 R)
• M18: 17,683,815 km (0.097 R)
• M19: 18,221,769 km (0.117 R)
• M20: 18,895,258 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 13.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.35 AU - 5.66 AU

Year: 7334 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,530,097 km

• M1: 175,478 km (0.026 R)
• M2: 465,698 km (0.08 R)
• M3: 773,122 km (0.072 R)
• M4: 1,471,445 km (0.069 R)
• M5: 1,773,333 km (0.096 R)
• M6: 2,073,426 km (0.092 R)
• M7: 2,656,110 km (0.084 R)
• M8: 3,274,099 km (0.051 R)
• M9: 3,731,719 km (0.086 R)
• M10: 4,973,980 km (0.101 R)
• M11: 5,484,258 km (0.104 R)
• M12: 6,165,676 km (0.075 R)
• M13: 6,431,811 km (0.059 R)
• M14: 7,296,487 km (0.063 R)
• M15: 7,782,829 km (0.031 R)
• M16: 9,777,118 km (0.12 R)
• M17: 10,340,504 km (0.109 R)
• M18: 12,044,274 km (0.097 R)
• M19: 14,325,791 km (0.118 R)
• M20: 14,733,146 km (0.1 R)
• M21: 15,146,186 km (0.07 R)
• M22: 19,228,263 km (0.117 R)
• M23: 21,316,051 km (0.116 R)
• M24: 21,702,313 km (0.089 R)
• M25: 22,825,045 km (0.113 R)
• M26: 23,918,007 km (0.104 R)
• M27: 26,242,309 km (0.114 R)
• M28: 27,041,162 km (0.118 R)
• M29: 29,704,452 km (0.077 R)
• M30: 31,483,021 km (0.074 R)
• M31: 32,493,555 km (0.068 R)
• M32: 33,935,379 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.2

Radius: 4.3

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.08 AU - 8.76 AU

Year: 16028 Days

Day: 19.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,530,097 km

• M1: 104,120 km (0.054 R)
• M2: 598,990 km (0.089 R)
• M3: 838,945 km (0.065 R)
• M4: 1,023,249 km (0.06 R)
• M5: 1,368,073 km (0.04 R)
• M6: 2,426,477 km (0.107 R)
• M7: 3,687,139 km (0.109 R)
• M8: 3,767,922 km (0.11 R)
• M9: 4,072,204 km (0.107 R)
• M10: 4,214,471 km (0.077 R)
• M11: 4,656,084 km (0.064 R)
• M12: 5,151,552 km (0.115 R)
• M13: 7,085,554 km (0.08 R)
• M14: 7,969,677 km (0.034 R)
• M15: 9,588,625 km (0.06 R)
• M16: 9,763,206 km (0.096 R)
• M17: 15,624,750 km (0.113 R)
• M18: 17,101,580 km (0.12 R)
• M19: 17,217,967 km (0.1 R)
• M20: 17,746,496 km (0.053 R)
• M21: 18,584,693 km (0.107 R)
• M22: 20,509,569 km (0.094 R)
• M23: 21,021,792 km (0.056 R)
• M24: 23,336,969 km (0.108 R)
• M25: 26,709,353 km (0.115 R)
• M26: 26,927,617 km (0.109 R)
• M27: 29,617,237 km (0.116 R)
• M28: 34,549,778 km (0.102 R)
• M29: 35,884,490 km (0.073 R)
• M30: 42,845,877 km (0.096 R)
• M31: 43,307,237 km (0.079 R)
• M32: 43,678,090 km (0.105 R)
• M33: 48,349,733 km (0.107 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: 168 - 10,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit