🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.3

Radius: 9.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.54 AU - 0.54 AU

Year: 269 Days

Day: 9.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,726,235 km

• M1: 114,442 km (0.102 R)
• M2: 404,213 km (0.081 R)
• M3: 783,294 km (0.11 R)
• M4: 1,198,129 km (0.117 R)
• M5: 1,882,091 km (0.119 R)
• M6: 2,296,926 km (0.092 R)
• M7: 2,631,277 km (0.063 R)
• M8: 3,024,719 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560

Radius: 14.4

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.73 AU - 0.73 AU

Year: 423 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,726,235 km

• M1: 179,069 km (0.115 R)
• M2: 684,709 km (0.119 R)
• M3: 1,133,204 km (0.054 R)
• M4: 1,790,387 km (0.106 R)
• M5: 2,311,586 km (0.107 R)
• M6: 2,833,234 km (0.092 R)
• M7: 3,468,277 km (0.086 R)
• M8: 4,236,911 km (0.061 R)
• M9: 4,820,343 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 13.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.25 AU - 1.41 AU

Year: 1040 Days

Day: 6.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,726,235 km

• M1: 164,109 km (0.05 R)
• M2: 663,317 km (0.112 R)
• M3: 1,079,648 km (0.098 R)
• M4: 2,264,613 km (0.081 R)
• M5: 3,607,553 km (0.114 R)
• M6: 4,100,029 km (0.047 R)
• M7: 4,560,042 km (0.04 R)
• M8: 5,854,513 km (0.078 R)
• M9: 7,023,022 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 13.6

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.3 AU - 3.36 AU

Year: 4122 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,726,235 km

• M1: 169,195 km (0.098 R)
• M2: 912,397 km (0.087 R)
• M3: 1,877,154 km (0.115 R)
• M4: 2,470,160 km (0.086 R)
• M5: 3,658,566 km (0.057 R)
• M6: 4,097,486 km (0.059 R)
• M7: 5,059,550 km (0.088 R)
• M8: 5,533,326 km (0.099 R)
• M9: 6,193,651 km (0.107 R)
• M10: 6,653,365 km (0.114 R)
• M11: 7,430,676 km (0.087 R)
• M12: 9,305,436 km (0.104 R)
• M13: 9,910,410 km (0.084 R)
• M14: 10,428,168 km (0.037 R)
• M15: 11,397,862 km (0.111 R)
• M16: 13,161,172 km (0.045 R)
• M17: 13,651,703 km (0.101 R)
• M18: 14,293,628 km (0.079 R)
• M19: 14,907,727 km (0.056 R)
• M20: 15,588,547 km (0.059 R)
• M21: 17,488,290 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.6

Radius: 5.9

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.44 AU - 7.18 AU

Year: 9499 Days

Day: 21.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,726,235 km

• M1: 75,098 km (0.09 R)
• M2: 294,857 km (0.098 R)
• M3: 483,650 km (0.111 R)
• M4: 790,924 km (0.113 R)
• M5: 1,025,344 km (0.105 R)
• M6: 1,445,115 km (0.108 R)
• M7: 2,055,624 km (0.099 R)
• M8: 2,281,368 km (0.112 R)
• M9: 2,466,420 km (0.101 R)
• M10: 2,742,279 km (0.083 R)
• M11: 3,060,473 km (0.089 R)
• M12: 3,426,838 km (0.095 R)
• M13: 3,645,401 km (0.116 R)
• M14: 4,219,408 km (0.118 R)
• M15: 4,528,178 km (0.075 R)
• M16: 6,020,118 km (0.096 R)
• M17: 6,375,412 km (0.114 R)
• M18: 6,972,757 km (0.113 R)
• M19: 7,206,129 km (0.09 R)
• M20: 8,365,214 km (0.103 R)
• M21: 12,695,773 km (0.055 R)
• M22: 15,532,448 km (0.111 R)
• M23: 17,168,001 km (0.087 R)
• M24: 20,537,992 km (0.096 R)
• M25: 21,752,578 km (0.061 R)
• M26: 22,588,381 km (0.099 R)
• M27: 23,794,289 km (0.085 R)
• M28: 24,413,176 km (0.099 R)
• M29: 28,948,385 km (0.108 R)
• M30: 30,784,399 km (0.09 R)
• M31: 42,158,176 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.5

Radius: 5.7

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.16 AU - 7.82 AU

Year: 13903 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,726,235 km

• M1: 71,059 km (0.109 R)
• M2: 271,819 km (0.069 R)
• M3: 611,257 km (0.07 R)
• M4: 1,014,573 km (0.068 R)
• M5: 2,598,365 km (0.098 R)
• M6: 3,335,584 km (0.04 R)
• M7: 4,123,815 km (0.045 R)
• M8: 6,664,136 km (0.071 R)
• M9: 7,462,091 km (0.099 R)
• M10: 8,666,205 km (0.083 R)
• M11: 9,065,033 km (0.078 R)
• M12: 9,475,828 km (0.12 R)
• M13: 9,994,634 km (0.062 R)
• M14: 11,400,854 km (0.101 R)
• M15: 15,163,689 km (0.079 R)
• M16: 16,269,217 km (0.088 R)
• M17: 19,006,559 km (0.118 R)
• M18: 21,310,366 km (0.038 R)
• M19: 23,537,131 km (0.049 R)
• M20: 26,371,412 km (0.118 R)
• M21: 26,740,919 km (0.104 R)
• M22: 28,446,933 km (0.075 R)
• M23: 30,324,835 km (0.056 R)
• M24: 33,026,423 km (0.079 R)
• M25: 35,884,191 km (0.088 R)
• M26: 39,985,716 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451.7

Radius: 6.6

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.1 AU - 10.98 AU

Year: 18435 Days

Day: 23.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,726,235 km

• M1: 96,341 km (0.118 R)
• M2: 459,714 km (0.081 R)
• M3: 713,432 km (0.05 R)
• M4: 1,072,617 km (0.034 R)
• M5: 1,413,550 km (0.066 R)
• M6: 1,625,830 km (0.074 R)
• M7: 2,768,009 km (0.093 R)
• M8: 3,128,241 km (0.116 R)
• M9: 3,359,220 km (0.108 R)
• M10: 3,913,630 km (0.055 R)
• M11: 4,399,524 km (0.07 R)
• M12: 5,639,690 km (0.12 R)
• M13: 7,680,055 km (0.111 R)
• M14: 8,102,071 km (0.11 R)
• M15: 10,733,498 km (0.062 R)
• M16: 11,561,671 km (0.077 R)
• M17: 13,885,674 km (0.111 R)
• M18: 14,724,769 km (0.113 R)
• M19: 14,939,741 km (0.113 R)
• M20: 15,671,574 km (0.09 R)
• M21: 15,970,919 km (0.071 R)
• M22: 18,338,754 km (0.099 R)
• M23: 19,007,606 km (0.075 R)
• M24: 21,293,911 km (0.112 R)
• M25: 22,980,178 km (0.059 R)
• M26: 24,351,691 km (0.091 R)
• M27: 24,854,489 km (0.086 R)
• M28: 25,880,880 km (0.078 R)
• M29: 28,348,198 km (0.051 R)
• M30: 30,154,293 km (0.067 R)
• M31: 34,495,923 km (0.063 R)
• M32: 35,385,880 km (0.04 R)
• M33: 39,373,860 km (0.115 R)
• M34: 44,542,616 km (0.066 R)
• M35: 45,445,888 km (0.047 R)
• M36: 46,978,369 km (0.064 R)
• M37: 48,703,382 km (0.116 R)
• M38: 49,501,337 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit