🌌 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: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 12.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.74 AU - 0.96 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,637,518 km

• M1: 153,188 km (0.074 R)
• M2: 544,835 km (0.097 R)
• M3: 1,000,660 km (0.067 R)
• M4: 1,389,315 km (0.078 R)
• M5: 1,782,159 km (0.104 R)
• M6: 2,418,100 km (0.076 R)
• M7: 2,938,102 km (0.109 R)
• M8: 3,350,992 km (0.074 R)
• M9: 3,886,702 km (0.109 R)
• M10: 4,879,434 km (0.08 R)
• M11: 6,091,625 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 13.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.49 AU - 1.95 AU

Year: 1586 Days

Day: 7.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,637,518 km

• M1: 165,605 km (0.034 R)
• M2: 793,916 km (0.07 R)
• M3: 1,222,963 km (0.107 R)
• M4: 1,686,417 km (0.107 R)
• M5: 2,316,074 km (0.085 R)
• M6: 3,340,371 km (0.111 R)
• M7: 3,776,449 km (0.076 R)
• M8: 5,625,030 km (0.106 R)
• M9: 6,414,906 km (0.06 R)
• M10: 7,277,488 km (0.079 R)
• M11: 7,848,054 km (0.067 R)
• M12: 8,419,069 km (0.099 R)
• M13: 8,835,101 km (0.047 R)
• M14: 9,296,161 km (0.026 R)
• M15: 11,268,160 km (0.098 R)
• M16: 11,737,748 km (0.115 R)
• M17: 12,220,351 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.8

Radius: 9.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.81 AU - 2.35 AU

Year: 2109 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 118 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,637,518 km

• M1: 115,190 km (0.059 R)
• M2: 435,779 km (0.076 R)
• M3: 1,066,034 km (0.093 R)
• M4: 1,596,209 km (0.066 R)
• M5: 2,632,474 km (0.102 R)
• M6: 2,933,315 km (0.098 R)
• M7: 3,257,045 km (0.114 R)
• M8: 3,604,860 km (0.063 R)
• M9: 3,907,646 km (0.098 R)
• M10: 4,338,039 km (0.077 R)
• M11: 5,084,233 km (0.054 R)
• M12: 5,379,689 km (0.102 R)
• M13: 5,776,722 km (0.12 R)
• M14: 6,240,625 km (0.064 R)
• M15: 6,579,913 km (0.1 R)
• M16: 7,138,212 km (0.094 R)
• M17: 8,119,424 km (0.108 R)
• M18: 8,791,867 km (0.111 R)
• M19: 9,250,085 km (0.046 R)
• M20: 10,893,567 km (0.039 R)
• M21: 12,417,521 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.7

Radius: 13.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.21 AU - 2.59 AU

Year: 2614 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,637,518 km

• M1: 176,525 km (0.061 R)
• M2: 695,331 km (0.082 R)
• M3: 1,429,108 km (0.069 R)
• M4: 1,964,370 km (0.065 R)
• M5: 2,416,454 km (0.118 R)
• M6: 2,999,737 km (0.079 R)
• M7: 4,293,309 km (0.097 R)
• M8: 5,452,244 km (0.113 R)
• M9: 6,206,516 km (0.072 R)
• M10: 7,627,397 km (0.097 R)
• M11: 8,136,179 km (0.091 R)
• M12: 9,525,196 km (0.108 R)
• M13: 9,974,887 km (0.106 R)
• M14: 10,438,790 km (0.098 R)
• M15: 12,645,658 km (0.099 R)
• M16: 13,618,792 km (0.068 R)
• M17: 14,190,555 km (0.065 R)
• M18: 15,335,278 km (0.066 R)
• M19: 16,739,254 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.8

Radius: 13.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.11 AU - 3.13 AU

Year: 2981 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,637,518 km

• M1: 172,935 km (0.091 R)
• M2: 650,751 km (0.075 R)
• M3: 1,238,371 km (0.115 R)
• M4: 1,685,818 km (0.069 R)
• M5: 2,366,938 km (0.108 R)
• M6: 2,844,155 km (0.114 R)
• M7: 3,279,335 km (0.074 R)
• M8: 3,720,649 km (0.086 R)
• M9: 5,026,339 km (0.118 R)
• M10: 5,850,324 km (0.065 R)
• M11: 8,593,949 km (0.112 R)
• M12: 9,773,079 km (0.092 R)
• M13: 10,499,527 km (0.073 R)
• M14: 11,551,648 km (0.094 R)
• M15: 12,987,040 km (0.116 R)
• M16: 14,882,445 km (0.114 R)
• M17: 18,575,867 km (0.11 R)
• M18: 19,691,418 km (0.05 R)
• M19: 20,603,367 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.3

Radius: 9.7

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.3 AU - 3.14 AU

Year: 3153 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,637,518 km

• M1: 122,521 km (0.081 R)
• M2: 461,360 km (0.097 R)
• M3: 963,410 km (0.089 R)
• M4: 1,279,810 km (0.032 R)
• M5: 1,748,799 km (0.102 R)
• M6: 2,329,688 km (0.091 R)
• M7: 2,862,705 km (0.082 R)
• M8: 3,475,458 km (0.076 R)
• M9: 4,108,107 km (0.092 R)
• M10: 4,696,176 km (0.056 R)
• M11: 5,035,614 km (0.043 R)
• M12: 5,417,388 km (0.117 R)
• M13: 7,365,002 km (0.03 R)
• M14: 8,983,651 km (0.072 R)
• M15: 10,014,081 km (0.111 R)
• M16: 11,378,264 km (0.11 R)
• M17: 11,770,959 km (0.097 R)
• M18: 12,676,026 km (0.098 R)
• M19: 14,370,671 km (0.087 R)
• M20: 15,298,477 km (0.115 R)
• M21: 17,159,624 km (0.06 R)
• M22: 19,661,050 km (0.118 R)
• M23: 19,974,158 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 10.3

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.79 AU - 4.41 AU

Year: 5836 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,637,518 km

• M1: 128,056 km (0.101 R)
• M2: 938,876 km (0.108 R)
• M3: 1,393,205 km (0.081 R)
• M4: 1,955,095 km (0.117 R)
• M5: 2,543,762 km (0.115 R)
• M6: 3,059,725 km (0.085 R)
• M7: 3,441,649 km (0.103 R)
• M8: 4,365,864 km (0.074 R)
• M9: 4,806,131 km (0.066 R)
• M10: 5,227,698 km (0.075 R)
• M11: 6,699,292 km (0.05 R)
• M12: 8,496,860 km (0.082 R)
• M13: 8,940,118 km (0.111 R)
• M14: 14,695,597 km (0.117 R)
• M15: 15,435,359 km (0.093 R)
• M16: 17,420,522 km (0.12 R)
• M17: 18,701,679 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 12.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.81 AU - 5.05 AU

Year: 6554 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 128.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,637,518 km

• M1: 160,519 km (0.099 R)
• M2: 559,496 km (0.113 R)
• M3: 979,268 km (0.078 R)
• M4: 1,749,248 km (0.048 R)
• M5: 4,770,526 km (0.095 R)
• M6: 6,934,908 km (0.116 R)
• M7: 8,144,557 km (0.052 R)
• M8: 13,052,115 km (0.065 R)
• M9: 13,646,467 km (0.088 R)
• M10: 24,570,852 km (0.097 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 11

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.87 AU - 5.83 AU

Year: 8698 Days

Day: 11.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 70.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,637,518 km

• M1: 136,882 km (0.037 R)
• M2: 633,996 km (0.067 R)
• M3: 1,147,116 km (0.112 R)
• M4: 2,347,639 km (0.058 R)
• M5: 3,079,472 km (0.105 R)
• M6: 3,655,723 km (0.096 R)
• M7: 4,035,103 km (0.108 R)
• M8: 5,926,619 km (0.095 R)
• M9: 6,895,714 km (0.038 R)
• M10: 7,638,766 km (0.099 R)
• M11: 9,802,251 km (0.108 R)
• M12: 12,857,039 km (0.094 R)
• M13: 13,560,299 km (0.045 R)
• M14: 15,171,917 km (0.085 R)
• M15: 18,039,558 km (0.085 R)
• M16: 18,698,088 km (0.11 R)
• M17: 19,600,911 km (0.065 R)
• M18: 23,939,100 km (0.105 R)
• M19: 24,823,822 km (0.078 R)
• M20: 26,846,983 km (0.048 R)
• M21: 27,321,658 km (0.118 R)
• M22: 27,705,376 km (0.07 R)
• M23: 28,680,605 km (0.072 R)
• M24: 29,678,572 km (0.116 R)
• M25: 33,792,663 km (0.106 R)
• M26: 38,152,543 km (0.103 R)
• M27: 41,091,244 km (0.119 R)
• M28: 42,615,796 km (0.105 R)
• M29: 43,002,806 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.3

Radius: 6.2

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 8.19 AU - 9.25 AU

Year: 18100 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,637,518 km

• M1: 102,624 km (0.083 R)
• M2: 385,215 km (0.092 R)
• M3: 730,786 km (0.086 R)
• M4: 1,336,507 km (0.035 R)
• M5: 1,584,840 km (0.09 R)
• M6: 2,006,257 km (0.092 R)
• M7: 3,070,646 km (0.074 R)
• M8: 4,250,973 km (0.093 R)
• M9: 5,971,797 km (0.091 R)
• M10: 10,374,313 km (0.104 R)
• M11: 10,655,557 km (0.101 R)
• M12: 11,233,603 km (0.032 R)
• M13: 11,650,383 km (0.098 R)
• M14: 16,327,710 km (0.102 R)
• M15: 18,785,154 km (0.075 R)
• M16: 20,232,364 km (0.049 R)
• M17: 20,938,466 km (0.108 R)
• M18: 22,493,386 km (0.058 R)
• M19: 24,221,840 km (0.108 R)
• M20: 29,935,731 km (0.095 R)
• M21: 30,852,018 km (0.099 R)
• M22: 32,620,264 km (0.082 R)
• M23: 34,830,124 km (0.118 R)
• M24: 39,272,732 km (0.094 R)
• M25: 39,681,882 km (0.108 R)
• M26: 40,094,025 km (0.075 R)
• M27: 40,370,332 km (0.086 R)
• M28: 40,926,686 km (0.043 R)
• M29: 44,372,972 km (0.096 R)
• M30: 46,015,258 km (0.112 R)
• M31: 51,346,926 km (0.099 R)
• M32: 53,489,766 km (0.066 R)
• M33: 56,901,794 km (0.096 R)
• M34: 58,129,394 km (0.058 R)
• M35: 59,554,015 km (0.119 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: 273 - 12,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit