🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490

Radius: 8.5

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.44 AU - 0.62 AU

Year: 266 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,544,106 km

• M1: 105,915 km (0.11 R)
• M2: 381,175 km (0.086 R)
• M3: 662,270 km (0.104 R)
• M4: 970,441 km (0.112 R)
• M5: 1,305,840 km (0.102 R)
• M6: 1,711,998 km (0.111 R)
• M7: 2,096,016 km (0.062 R)
• M8: 2,388,629 km (0.12 R)
• M9: 2,665,086 km (0.057 R)
• M10: 3,009,909 km (0.057 R)
• M11: 3,778,693 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 13.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.9 AU - 1.38 AU

Year: 840 Days

Day: 8.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,544,106 km

• M1: 167,849 km (0.113 R)
• M2: 625,469 km (0.114 R)
• M3: 1,148,912 km (0.117 R)
• M4: 1,632,262 km (0.111 R)
• M5: 2,489,757 km (0.038 R)
• M6: 3,040,278 km (0.089 R)
• M7: 3,799,487 km (0.106 R)
• M8: 4,421,365 km (0.081 R)
• M9: 5,075,108 km (0.056 R)
• M10: 6,493,146 km (0.036 R)
• M11: 7,093,931 km (0.105 R)
• M12: 8,040,287 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 10.1

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.22 AU - 1.3 AU

Year: 976 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,544,106 km

• M1: 134,937 km (0.087 R)
• M2: 575,653 km (0.069 R)
• M3: 917,185 km (0.112 R)
• M4: 2,427,973 km (0.117 R)
• M5: 2,886,641 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.1

Radius: 13.6

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.65 AU - 2.17 AU

Year: 1822 Days

Day: 14.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 115.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,544,106 km

• M1: 169,644 km (0.05 R)
• M2: 1,059,452 km (0.092 R)
• M3: 1,498,073 km (0.115 R)
• M4: 1,944,174 km (0.068 R)
• M5: 2,418,848 km (0.085 R)
• M6: 2,887,389 km (0.044 R)
• M7: 4,081,180 km (0.091 R)
• M8: 4,693,035 km (0.119 R)
• M9: 5,155,143 km (0.075 R)
• M10: 6,530,695 km (0.087 R)
• M11: 7,291,251 km (0.117 R)
• M12: 7,775,499 km (0.078 R)
• M13: 9,578,901 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 11.3

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.13 AU - 2.83 AU

Year: 2696 Days

Day: 12.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,544,106 km

• M1: 140,472 km (0.061 R)
• M2: 525,238 km (0.114 R)
• M3: 1,013,675 km (0.119 R)
• M4: 1,599,351 km (0.101 R)
• M5: 2,085,993 km (0.052 R)
• M6: 2,548,400 km (0.12 R)
• M7: 2,910,576 km (0.079 R)
• M8: 4,147,601 km (0.093 R)
• M9: 5,397,790 km (0.039 R)
• M10: 6,304,802 km (0.072 R)
• M11: 6,913,965 km (0.056 R)
• M12: 7,310,549 km (0.099 R)
• M13: 10,095,762 km (0.104 R)
• M14: 10,487,708 km (0.08 R)
• M15: 10,971,358 km (0.084 R)
• M16: 12,201,950 km (0.084 R)
• M17: 13,241,805 km (0.074 R)
• M18: 13,855,007 km (0.108 R)
• M19: 16,072,346 km (0.089 R)
• M20: 16,553,453 km (0.058 R)
• M21: 17,432,490 km (0.12 R)
• M22: 17,997,671 km (0.045 R)
• M23: 18,400,388 km (0.103 R)
• M24: 20,881,619 km (0.028 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.3

Radius: 7.4

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.22 AU - 7.16 AU

Year: 10630 Days

Day: 18.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,544,106 km

• M1: 92,152 km (0.098 R)
• M2: 329,265 km (0.079 R)
• M3: 566,677 km (0.1 R)
• M4: 807,829 km (0.034 R)
• M5: 1,065,586 km (0.115 R)
• M6: 1,989,502 km (0.116 R)
• M7: 2,393,566 km (0.077 R)
• M8: 2,625,592 km (0.051 R)
• M9: 2,958,298 km (0.119 R)
• M10: 4,183,355 km (0.081 R)
• M11: 4,817,799 km (0.075 R)
• M12: 5,126,569 km (0.084 R)
• M13: 5,921,832 km (0.112 R)
• M14: 6,873,424 km (0.084 R)
• M15: 10,387,777 km (0.09 R)
• M16: 10,695,649 km (0.115 R)
• M17: 11,988,325 km (0.078 R)
• M18: 12,270,167 km (0.071 R)
• M19: 13,142,472 km (0.109 R)
• M20: 13,746,548 km (0.056 R)
• M21: 15,603,357 km (0.077 R)
• M22: 17,404,665 km (0.107 R)
• M23: 17,839,247 km (0.112 R)
• M24: 18,957,491 km (0.104 R)
• M25: 19,417,654 km (0.098 R)
• M26: 20,923,805 km (0.071 R)
• M27: 23,546,106 km (0.047 R)
• M28: 27,437,446 km (0.085 R)
• M29: 30,780,360 km (0.038 R)
• M30: 31,416,002 km (0.052 R)
• M31: 34,046,231 km (0.094 R)
• M32: 38,505,445 km (0.035 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 5.7

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.47 AU - 9.99 AU

Year: 16297 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,544,106 km

• M1: 76,145 km (0.04 R)
• M2: 454,927 km (0.107 R)
• M3: 769,232 km (0.045 R)
• M4: 1,864,588 km (0.12 R)
• M5: 2,456,397 km (0.03 R)
• M6: 2,733,602 km (0.102 R)
• M7: 4,003,688 km (0.098 R)
• M8: 7,679,457 km (0.108 R)
• M9: 13,254,222 km (0.083 R)
• M10: 15,388,235 km (0.027 R)
• M11: 16,467,434 km (0.114 R)
• M12: 27,655,710 km (0.071 R)
• M13: 38,610,612 km (0.088 R)
• M14: 45,035,841 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.1

Radius: 5.5

Gravity: 32.53 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.55 AU - 9.15 AU

Year: 18173 Days

Day: 17.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,544,106 km

• M1: 75,697 km (0.118 R)
• M2: 308,770 km (0.089 R)
• M3: 611,706 km (0.119 R)
• M4: 803,041 km (0.094 R)
• M5: 1,112,859 km (0.053 R)
• M6: 1,402,779 km (0.087 R)
• M7: 2,351,679 km (0.096 R)
• M8: 4,111,847 km (0.039 R)
• M9: 4,449,489 km (0.068 R)
• M10: 5,296,513 km (0.102 R)
• M11: 7,064,759 km (0.085 R)
• M12: 8,004,234 km (0.105 R)
• M13: 8,264,684 km (0.081 R)
• M14: 13,825,985 km (0.1 R)
• M15: 14,201,176 km (0.065 R)
• M16: 15,367,591 km (0.11 R)
• M17: 18,787,697 km (0.036 R)
• M18: 22,169,058 km (0.061 R)
• M19: 22,476,482 km (0.098 R)
• M20: 25,821,640 km (0.118 R)
• M21: 33,478,807 km (0.119 R)
• M22: 34,155,139 km (0.077 R)
• M23: 37,819,389 km (0.102 R)
• M24: 49,665,147 km (0.07 R)
• M25: 51,793,027 km (0.093 R)
• M26: 54,910,347 km (0.081 R)
• M27: 55,473,134 km (0.12 R)
• M28: 56,610,228 km (0.111 R)
• M29: 61,113,273 km (0.12 R)
• M30: 79,104,212 km (0.08 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 15,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit