🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.9

Radius: 12.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.61 AU - 0.79 AU

Year: 404 Days

Day: 5.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,794,805 km

• M1: 152,141 km (0.089 R)
• M2: 593,904 km (0.103 R)
• M3: 1,153,400 km (0.099 R)
• M4: 1,650,663 km (0.079 R)
• M5: 2,960,542 km (0.066 R)
• M6: 3,369,542 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.3

Radius: 10.8

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,794,805 km

• M1: 134,339 km (0.11 R)
• M2: 489,035 km (0.119 R)
• M3: 1,057,208 km (0.09 R)
• M4: 1,781,561 km (0.055 R)
• M5: 2,371,425 km (0.092 R)
• M6: 3,382,557 km (0.083 R)
• M7: 4,874,347 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.4

Radius: 12.3

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.5 AU - 2.18 AU

Year: 1723 Days

Day: 9.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,794,805 km

• M1: 153,039 km (0.107 R)
• M2: 659,876 km (0.026 R)
• M3: 1,137,393 km (0.028 R)
• M4: 1,774,081 km (0.1 R)
• M5: 2,793,441 km (0.077 R)
• M6: 3,327,206 km (0.069 R)
• M7: 4,323,229 km (0.119 R)
• M8: 4,786,234 km (0.091 R)
• M9: 5,304,591 km (0.088 R)
• M10: 8,177,319 km (0.092 R)
• M11: 9,877,947 km (0.063 R)
• M12: 11,272,050 km (0.104 R)
• M13: 11,687,932 km (0.113 R)
• M14: 12,470,628 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498

Radius: 15

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.67 AU - 4.69 AU

Year: 5899 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,794,805 km

• M1: 186,549 km (0.097 R)
• M2: 657,333 km (0.119 R)
• M3: 1,155,344 km (0.111 R)
• M4: 1,879,248 km (0.082 R)
• M5: 2,450,712 km (0.045 R)
• M6: 4,672,091 km (0.089 R)
• M7: 6,694,355 km (0.092 R)
• M8: 7,332,390 km (0.063 R)
• M9: 8,158,918 km (0.062 R)
• M10: 8,887,909 km (0.115 R)
• M11: 11,199,495 km (0.104 R)
• M12: 11,715,608 km (0.092 R)
• M13: 12,296,795 km (0.112 R)
• M14: 13,153,094 km (0.054 R)
• M15: 18,429,410 km (0.092 R)
• M16: 20,999,801 km (0.089 R)
• M17: 22,077,355 km (0.094 R)
• M18: 23,800,872 km (0.106 R)
• M19: 25,291,016 km (0.104 R)
• M20: 28,111,833 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927

Radius: 5.8

Gravity: 27.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.28 AU - 7.38 AU

Year: 13698 Days

Day: 20.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,794,805 km

• M1: 75,248 km (0.109 R)
• M2: 259,104 km (0.109 R)
• M3: 506,239 km (0.089 R)
• M4: 786,885 km (0.098 R)
• M5: 1,180,926 km (0.101 R)
• M6: 1,616,405 km (0.085 R)
• M7: 1,835,865 km (0.097 R)
• M8: 3,301,027 km (0.079 R)
• M9: 5,674,546 km (0.074 R)
• M10: 6,897,509 km (0.105 R)
• M11: 7,478,398 km (0.1 R)
• M12: 7,804,371 km (0.08 R)
• M13: 9,204,159 km (0.08 R)
• M14: 9,797,165 km (0.116 R)
• M15: 10,131,217 km (0.057 R)
• M16: 11,059,172 km (0.114 R)
• M17: 15,791,402 km (0.114 R)
• M18: 16,483,741 km (0.114 R)
• M19: 18,512,736 km (0.051 R)
• M20: 19,023,314 km (0.106 R)
• M21: 19,718,645 km (0.062 R)
• M22: 19,983,732 km (0.114 R)
• M23: 27,962,086 km (0.054 R)
• M24: 28,408,785 km (0.036 R)
• M25: 29,316,844 km (0.088 R)
• M26: 35,564,351 km (0.083 R)
• M27: 35,957,195 km (0.079 R)
• M28: 44,891,778 km (0.089 R)
• M29: 46,902,822 km (0.059 R)
• M30: 47,217,576 km (0.06 R)
• M31: 48,169,916 km (0.093 R)
• M32: 61,365,047 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 5.6

Gravity: 30.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.98 AU - 9.54 AU

Year: 14921 Days

Day: 17.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,794,805 km

• M1: 69,713 km (0.084 R)
• M2: 339,288 km (0.096 R)
• M3: 852,708 km (0.105 R)
• M4: 1,380,938 km (0.061 R)
• M5: 1,988,754 km (0.086 R)
• M6: 2,352,726 km (0.106 R)
• M7: 3,627,599 km (0.116 R)
• M8: 4,298,844 km (0.098 R)
• M9: 5,532,428 km (0.081 R)
• M10: 6,676,104 km (0.075 R)
• M11: 9,042,892 km (0.051 R)
• M12: 9,366,622 km (0.109 R)
• M13: 11,040,921 km (0.111 R)
• M14: 12,175,023 km (0.034 R)
• M15: 13,454,234 km (0.095 R)
• M16: 14,598,807 km (0.108 R)
• M17: 19,028,101 km (0.091 R)
• M18: 21,402,967 km (0.025 R)
• M19: 21,785,040 km (0.086 R)
• M20: 23,459,788 km (0.1 R)
• M21: 23,662,194 km (0.115 R)
• M22: 25,218,461 km (0.104 R)
• M23: 27,174,453 km (0.107 R)
• M24: 29,112,494 km (0.113 R)
• M25: 30,776,172 km (0.042 R)
• M26: 32,628,044 km (0.081 R)
• M27: 34,291,871 km (0.115 R)
• M28: 35,343,395 km (0.118 R)
• M29: 35,743,270 km (0.038 R)
• M30: 39,908,972 km (0.115 R)
• M31: 41,959,061 km (0.086 R)
• M32: 46,109,355 km (0.025 R)
• M33: 47,551,329 km (0.089 R)
• M34: 49,520,336 km (0.106 R)
• M35: 56,113,264 km (0.113 R)
• M36: 68,085,881 km (0.088 R)

Asteroid Belt

Center: 8.47 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890

Radius: 4

Gravity: 55.63 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.35 AU - 10.01 AU

Year: 19199 Days

Day: 16.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,794,805 km

• M1: 50,714 km (0.111 R)
• M2: 280,945 km (0.118 R)
• M3: 512,822 km (0.059 R)
• M4: 1,208,302 km (0.12 R)
• M5: 1,674,599 km (0.097 R)
• M6: 1,822,252 km (0.103 R)
• M7: 2,408,975 km (0.101 R)
• M8: 2,770,702 km (0.1 R)
• M9: 2,925,237 km (0.072 R)
• M10: 3,251,360 km (0.073 R)
• M11: 3,394,376 km (0.086 R)
• M12: 3,754,607 km (0.059 R)
• M13: 4,621,826 km (0.109 R)
• M14: 5,295,316 km (0.077 R)
• M15: 5,453,441 km (0.047 R)
• M16: 7,655,671 km (0.03 R)
• M17: 7,857,927 km (0.106 R)
• M18: 8,012,163 km (0.112 R)
• M19: 11,143,097 km (0.072 R)
• M20: 11,337,723 km (0.104 R)
• M21: 11,600,716 km (0.073 R)
• M22: 13,337,697 km (0.078 R)
• M23: 14,078,506 km (0.095 R)
• M24: 15,885,648 km (0.046 R)
• M25: 23,053,181 km (0.098 R)
• M26: 26,345,232 km (0.108 R)
• M27: 26,806,592 km (0.108 R)
• M28: 30,187,654 km (0.104 R)
• M29: 32,505,074 km (0.075 R)
• M30: 39,258,520 km (0.112 R)
• M31: 41,391,188 km (0.109 R)
• M32: 44,083,201 km (0.111 R)
• M33: 48,078,811 km (0.116 R)
• M34: 54,700,910 km (0.067 R)
• M35: 58,131,489 km (0.036 R)
• M36: 61,097,715 km (0.096 R)
• M37: 74,888,993 km (0.186 R)
• M38: 79,350,151 km (0.099 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 18,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit