🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.3

Radius: 13.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.29 AU - 1.33 AU

Year: 1054 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,055,887 km

• M1: 164,109 km (0.078 R)
• M2: 614,548 km (0.049 R)
• M3: 1,065,436 km (0.069 R)
• M4: 1,675,646 km (0.094 R)
• M5: 2,319,066 km (0.048 R)
• M6: 2,988,367 km (0.057 R)
• M7: 3,479,048 km (0.066 R)
• M8: 4,325,622 km (0.118 R)
• M9: 5,364,729 km (0.108 R)
• M10: 6,051,234 km (0.075 R)
• M11: 6,609,832 km (0.056 R)
• M12: 8,495,065 km (0.118 R)
• M13: 9,139,233 km (0.077 R)
• M14: 9,815,715 km (0.088 R)
• M15: 10,909,126 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.4

Radius: 11.2

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.2 AU - 1.82 AU

Year: 1304 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,055,887 km

• M1: 139,276 km (0.089 R)
• M2: 586,424 km (0.095 R)
• M3: 1,114,953 km (0.086 R)
• M4: 1,799,662 km (0.117 R)
• M5: 2,220,930 km (0.054 R)
• M6: 2,747,215 km (0.092 R)
• M7: 3,509,416 km (0.119 R)
• M8: 4,121,421 km (0.054 R)
• M9: 4,574,104 km (0.079 R)
• M10: 4,940,320 km (0.12 R)
• M11: 5,367,871 km (0.102 R)
• M12: 6,112,719 km (0.025 R)
• M13: 6,900,351 km (0.115 R)
• M14: 7,383,702 km (0.101 R)
• M15: 7,754,256 km (0.072 R)
• M16: 8,561,486 km (0.097 R)
• M17: 9,987,752 km (0.095 R)
• M18: 10,540,816 km (0.1 R)
• M19: 12,360,075 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 8.5

Gravity: 13.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.23 AU - 1.79 AU

Year: 1304 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,055,887 km

• M1: 105,766 km (0.117 R)
• M2: 478,564 km (0.075 R)
• M3: 826,528 km (0.045 R)
• M4: 1,270,086 km (0.115 R)
• M5: 1,845,439 km (0.117 R)
• M6: 2,506,363 km (0.095 R)
• M7: 2,941,842 km (0.11 R)
• M8: 3,705,988 km (0.058 R)
• M9: 4,309,765 km (0.113 R)
• M10: 4,895,590 km (0.034 R)
• M11: 6,059,163 km (0.119 R)
• M12: 7,157,211 km (0.113 R)
• M13: 7,615,280 km (0.117 R)
• M14: 8,800,544 km (0.053 R)
• M15: 11,351,337 km (0.09 R)
• M16: 11,751,960 km (0.035 R)
• M17: 13,571,519 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 13.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.28 AU - 1.9 AU

Year: 1409 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,055,887 km

• M1: 172,935 km (0.117 R)
• M2: 963,859 km (0.045 R)
• M3: 1,486,554 km (0.07 R)
• M4: 2,062,805 km (0.071 R)
• M5: 2,677,503 km (0.098 R)
• M6: 3,777,496 km (0.088 R)
• M7: 4,261,146 km (0.084 R)
• M8: 4,766,039 km (0.116 R)
• M9: 5,310,724 km (0.041 R)
• M10: 6,062,005 km (0.097 R)
• M11: 6,601,604 km (0.1 R)
• M12: 7,553,795 km (0.046 R)
• M13: 11,180,197 km (0.077 R)
• M14: 12,032,306 km (0.051 R)
• M15: 13,329,918 km (0.077 R)
• M16: 13,824,339 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 9.6

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.47 AU - 1.97 AU

Year: 1586 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,055,887 km

• M1: 131,945 km (0.103 R)
• M2: 489,335 km (0.094 R)
• M3: 865,573 km (0.058 R)
• M4: 2,428,572 km (0.072 R)
• M5: 3,373,133 km (0.052 R)
• M6: 5,333,613 km (0.098 R)
• M7: 7,368,443 km (0.112 R)
• M8: 8,217,112 km (0.119 R)
• M9: 8,726,193 km (0.085 R)
• M10: 11,446,032 km (0.083 R)
• M11: 12,898,478 km (0.05 R)
• M12: 14,044,697 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 10.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.29 AU - 3.67 AU

Year: 3616 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,055,887 km

• M1: 128,205 km (0.077 R)
• M2: 877,092 km (0.099 R)
• M3: 1,474,736 km (0.116 R)
• M4: 2,119,802 km (0.07 R)
• M5: 2,766,962 km (0.045 R)
• M6: 3,165,790 km (0.069 R)
• M7: 3,750,269 km (0.085 R)
• M8: 4,381,422 km (0.099 R)
• M9: 5,214,832 km (0.101 R)
• M10: 6,737,888 km (0.06 R)
• M11: 7,328,500 km (0.059 R)
• M12: 7,776,247 km (0.107 R)
• M13: 9,073,111 km (0.088 R)
• M14: 9,549,281 km (0.108 R)
• M15: 10,769,401 km (0.033 R)
• M16: 12,233,216 km (0.111 R)
• M17: 13,062,736 km (0.114 R)
• M18: 14,887,980 km (0.101 R)
• M19: 16,466,238 km (0.116 R)
• M20: 17,295,758 km (0.068 R)
• M21: 19,038,274 km (0.106 R)
• M22: 20,085,010 km (0.099 R)
• M23: 22,579,704 km (0.092 R)
• M24: 23,976,500 km (0.11 R)
• M25: 25,119,128 km (0.106 R)
• M26: 26,377,695 km (0.055 R)
• M27: 26,779,365 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.56 AU - 4.18 AU

Year: 4349 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 44,055,887 km

• M1: 127,607 km (0.106 R)
• M2: 459,116 km (0.097 R)
• M3: 750,233 km (0.082 R)
• M4: 1,063,641 km (0.091 R)
• M5: 1,411,606 km (0.072 R)
• M6: 2,484,671 km (0.096 R)
• M7: 3,396,620 km (0.076 R)
• M8: 4,589,513 km (0.09 R)
• M9: 6,525,010 km (0.087 R)
• M10: 7,034,241 km (0.062 R)
• M11: 7,433,369 km (0.077 R)
• M12: 7,882,761 km (0.09 R)
• M13: 8,204,396 km (0.088 R)
• M14: 8,835,849 km (0.112 R)
• M15: 9,499,465 km (0.117 R)
• M16: 11,326,354 km (0.079 R)
• M17: 13,680,725 km (0.116 R)
• M18: 15,383,448 km (0.112 R)
• M19: 15,943,393 km (0.092 R)
• M20: 16,750,025 km (0.09 R)
• M21: 17,765,794 km (0.091 R)
• M22: 18,444,669 km (0.067 R)
• M23: 19,076,720 km (0.026 R)
• M24: 20,184,194 km (0.1 R)
• M25: 22,171,452 km (0.089 R)
• M26: 23,103,446 km (0.111 R)
• M27: 26,531,182 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.2

Radius: 12.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.33 AU - 4.09 AU

Year: 5023 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,055,887 km

• M1: 151,842 km (0.111 R)
• M2: 546,032 km (0.117 R)
• M3: 974,331 km (0.09 R)
• M4: 1,361,341 km (0.052 R)
• M5: 1,840,353 km (0.119 R)
• M6: 2,667,480 km (0.077 R)
• M7: 3,186,435 km (0.113 R)
• M8: 4,579,490 km (0.081 R)
• M9: 5,412,750 km (0.119 R)
• M10: 6,094,318 km (0.119 R)
• M11: 7,240,537 km (0.114 R)
• M12: 8,879,232 km (0.097 R)
• M13: 9,325,034 km (0.101 R)
• M14: 11,686,286 km (0.065 R)
• M15: 12,222,296 km (0.12 R)
• M16: 12,928,248 km (0.102 R)
• M17: 14,201,475 km (0.114 R)
• M18: 14,812,284 km (0.112 R)
• M19: 16,265,627 km (0.078 R)
• M20: 19,386,837 km (0.065 R)
• M21: 20,768,523 km (0.079 R)
• M22: 25,876,243 km (0.105 R)
• M23: 27,464,523 km (0.079 R)
• M24: 28,152,374 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.4

Radius: 14.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.63 AU - 5.05 AU

Year: 7485 Days

Day: 8.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,055,887 km

• M1: 185,501 km (0.101 R)
• M2: 691,741 km (0.075 R)
• M3: 1,158,636 km (0.073 R)
• M4: 2,050,239 km (0.091 R)
• M5: 3,320,923 km (0.083 R)
• M6: 4,025,230 km (0.103 R)
• M7: 4,976,672 km (0.055 R)
• M8: 5,801,854 km (0.076 R)
• M9: 9,058,600 km (0.095 R)
• M10: 9,566,933 km (0.11 R)
• M11: 10,192,103 km (0.073 R)
• M12: 11,685,688 km (0.117 R)
• M13: 14,722,824 km (0.116 R)
• M14: 15,362,205 km (0.093 R)
• M15: 16,559,886 km (0.115 R)
• M16: 18,841,702 km (0.11 R)
• M17: 19,980,441 km (0.071 R)
• M18: 23,156,254 km (0.061 R)
• M19: 24,998,851 km (0.055 R)
• M20: 26,187,556 km (0.108 R)
• M21: 34,906,868 km (0.12 R)
• M22: 38,636,492 km (0.082 R)
• M23: 39,364,137 km (0.054 R)
• M24: 41,223,638 km (0.114 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: 476 - 12,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit