🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 12.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 8.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,737,496 km

• M1: 155,283 km (0.1 R)
• M2: 562,039 km (0.091 R)
• M3: 1,374,954 km (0.038 R)
• M4: 2,051,136 km (0.116 R)
• M5: 2,728,216 km (0.07 R)
• M6: 3,198,103 km (0.075 R)
• M7: 5,058,203 km (0.069 R)
• M8: 5,450,748 km (0.119 R)
• M9: 6,259,025 km (0.114 R)
• M10: 7,019,880 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348

Radius: 9.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.94 AU - 1.38 AU

Year: 847 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,737,496 km

• M1: 122,221 km (0.11 R)
• M2: 504,594 km (0.072 R)
• M3: 823,686 km (0.109 R)
• M4: 1,349,074 km (0.094 R)
• M5: 2,198,790 km (0.095 R)
• M6: 2,557,974 km (0.102 R)
• M7: 2,875,869 km (0.091 R)
• M8: 3,269,910 km (0.073 R)
• M9: 4,241,399 km (0.087 R)
• M10: 5,169,055 km (0.095 R)
• M11: 6,868,637 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.7

Radius: 14.2

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.59 AU - 2.27 AU

Year: 1819 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,737,496 km

• M1: 180,116 km (0.114 R)
• M2: 680,820 km (0.087 R)
• M3: 1,210,845 km (0.113 R)
• M4: 1,751,492 km (0.103 R)
• M5: 2,381,598 km (0.086 R)
• M6: 2,947,527 km (0.105 R)
• M7: 3,602,915 km (0.11 R)
• M8: 4,483,149 km (0.079 R)
• M9: 5,085,580 km (0.107 R)
• M10: 5,653,902 km (0.095 R)
• M11: 7,944,245 km (0.115 R)
• M12: 8,450,634 km (0.081 R)
• M13: 9,008,634 km (0.094 R)
• M14: 9,748,545 km (0.115 R)
• M15: 10,264,060 km (0.108 R)
• M16: 11,350,140 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 12.1

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.61 AU - 2.65 AU

Year: 2108 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,737,496 km

• M1: 156,479 km (0.049 R)
• M2: 555,906 km (0.054 R)
• M3: 1,054,216 km (0.061 R)
• M4: 1,567,337 km (0.074 R)
• M5: 2,443,232 km (0.097 R)
• M6: 3,878,325 km (0.049 R)
• M7: 4,921,471 km (0.095 R)
• M8: 5,355,005 km (0.11 R)
• M9: 7,235,151 km (0.119 R)
• M10: 8,198,562 km (0.1 R)
• M11: 8,777,057 km (0.091 R)
• M12: 10,196,740 km (0.101 R)
• M13: 10,866,341 km (0.115 R)
• M14: 12,753,368 km (0.115 R)
• M15: 13,138,134 km (0.08 R)
• M16: 14,477,633 km (0.085 R)
• M17: 17,322,386 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 10.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.95 AU - 2.87 AU

Year: 2538 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,737,496 km

• M1: 126,859 km (0.043 R)
• M2: 466,895 km (0.062 R)
• M3: 815,308 km (0.087 R)
• M4: 1,145,920 km (0.088 R)
• M5: 1,512,584 km (0.1 R)
• M6: 2,117,259 km (0.12 R)
• M7: 2,678,251 km (0.115 R)
• M8: 3,069,748 km (0.033 R)
• M9: 3,515,999 km (0.027 R)
• M10: 3,932,778 km (0.115 R)
• M11: 4,460,410 km (0.063 R)
• M12: 5,964,168 km (0.098 R)
• M13: 7,581,321 km (0.117 R)
• M14: 8,279,793 km (0.07 R)
• M15: 8,800,095 km (0.114 R)
• M16: 10,179,238 km (0.115 R)
• M17: 10,669,470 km (0.108 R)
• M18: 13,779,460 km (0.091 R)
• M19: 14,336,263 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.5

Radius: 14.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.98 AU - 2.96 AU

Year: 2633 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,737,496 km

• M1: 184,305 km (0.099 R)
• M2: 644,617 km (0.111 R)
• M3: 1,139,637 km (0.095 R)
• M4: 1,913,806 km (0.113 R)
• M5: 3,300,279 km (0.098 R)
• M6: 4,592,655 km (0.119 R)
• M7: 5,380,287 km (0.114 R)
• M8: 7,992,266 km (0.114 R)
• M9: 9,500,811 km (0.065 R)
• M10: 10,501,023 km (0.054 R)
• M11: 11,026,859 km (0.091 R)
• M12: 12,892,943 km (0.098 R)
• M13: 14,119,047 km (0.072 R)
• M14: 17,188,347 km (0.075 R)
• M15: 17,977,326 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 8.4

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.09 AU - 5.01 AU

Year: 5528 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,737,496 km

• M1: 104,419 km (0.11 R)
• M2: 370,554 km (0.111 R)
• M3: 664,963 km (0.091 R)
• M4: 1,668,315 km (0.057 R)
• M5: 2,292,139 km (0.101 R)
• M6: 2,682,888 km (0.037 R)
• M7: 3,558,335 km (0.096 R)
• M8: 4,831,263 km (0.085 R)
• M9: 5,611,865 km (0.104 R)
• M10: 6,811,341 km (0.051 R)
• M11: 8,974,675 km (0.077 R)
• M12: 9,472,388 km (0.026 R)
• M13: 10,733,348 km (0.077 R)
• M14: 13,935,790 km (0.114 R)
• M15: 15,345,899 km (0.084 R)
• M16: 16,449,931 km (0.097 R)
• M17: 18,446,913 km (0.114 R)
• M18: 20,666,048 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 903.8

Radius: 6.1

Gravity: 24.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.33 AU - 5.97 AU

Year: 9109 Days

Day: 24.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,737,496 km

• M1: 76,744 km (0.103 R)
• M2: 285,582 km (0.101 R)
• M3: 519,703 km (0.055 R)
• M4: 884,123 km (0.046 R)
• M5: 1,421,030 km (0.117 R)
• M6: 1,897,200 km (0.055 R)
• M7: 2,208,813 km (0.117 R)
• M8: 2,825,455 km (0.074 R)
• M9: 4,600,583 km (0.113 R)
• M10: 6,657,404 km (0.12 R)
• M11: 6,891,974 km (0.071 R)
• M12: 7,172,620 km (0.099 R)
• M13: 7,544,669 km (0.118 R)
• M14: 7,929,435 km (0.113 R)
• M15: 10,154,853 km (0.113 R)
• M16: 10,466,017 km (0.12 R)
• M17: 11,661,603 km (0.1 R)
• M18: 14,385,930 km (0.046 R)
• M19: 14,712,651 km (0.108 R)
• M20: 16,922,062 km (0.084 R)
• M21: 17,433,238 km (0.111 R)
• M22: 17,655,391 km (0.078 R)
• M23: 17,879,489 km (0.09 R)
• M24: 20,636,278 km (0.108 R)
• M25: 22,506,850 km (0.077 R)
• M26: 23,393,367 km (0.107 R)
• M27: 24,119,066 km (0.1 R)
• M28: 26,289,283 km (0.029 R)
• M29: 26,483,909 km (0.051 R)
• M30: 26,876,155 km (0.114 R)
• M31: 27,672,165 km (0.078 R)
• M32: 28,895,427 km (0.079 R)
• M33: 30,260,956 km (0.086 R)
• M34: 31,889,329 km (0.086 R)
• M35: 33,006,825 km (0.064 R)
• M36: 34,265,841 km (0.064 R)
• M37: 36,394,768 km (0.105 R)
• M38: 37,738,307 km (0.102 R)
• M39: 43,988,955 km (0.066 R)
• M40: 45,934,176 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.5

Radius: 3.1

Gravity: 24.61 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.9 AU - 9.96 AU

Year: 19641 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,737,496 km

• M1: 38,596 km (0.061 R)
• M2: 238,609 km (0.076 R)
• M3: 881,879 km (0.072 R)
• M4: 1,099,096 km (0.119 R)
• M5: 1,232,986 km (0.054 R)
• M6: 1,364,183 km (0.119 R)
• M7: 2,278,675 km (0.062 R)
• M8: 3,887,450 km (0.062 R)
• M9: 4,872,851 km (0.085 R)
• M10: 5,544,845 km (0.086 R)
• M11: 6,162,983 km (0.11 R)
• M12: 6,314,825 km (0.079 R)
• M13: 7,884,257 km (0.091 R)
• M14: 10,972,256 km (0.069 R)
• M15: 11,364,651 km (0.114 R)
• M16: 11,478,495 km (0.116 R)
• M17: 12,598,235 km (0.027 R)
• M18: 13,468,296 km (0.084 R)
• M19: 17,882,929 km (0.088 R)
• M20: 19,382,349 km (0.09 R)
• M21: 22,270,934 km (0.108 R)
• M22: 22,899,245 km (0.112 R)
• M23: 24,379,666 km (0.045 R)
• M24: 29,845,523 km (0.11 R)
• M25: 30,062,291 km (0.045 R)
• M26: 30,499,116 km (0.112 R)
• M27: 32,060,768 km (0.063 R)
• M28: 33,792,364 km (0.08 R)
• M29: 38,970,545 km (0.097 R)
• M30: 41,882,766 km (0.079 R)
• M31: 42,018,452 km (0.109 R)
• M32: 44,936,508 km (0.06 R)
• M33: 46,663,166 km (0.039 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 16,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit