🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.2

Radius: 11

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.67 AU - 0.69 AU

Year: 387 Days

Day: 8.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 52,824,353 km

• M1: 137,032 km (0.116 R)
• M2: 643,720 km (0.104 R)
• M3: 1,057,059 km (0.12 R)
• M4: 1,544,598 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.4

Radius: 14.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.76 AU - 1.18 AU

Year: 659 Days

Day: 12.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,824,353 km

• M1: 176,376 km (0.098 R)
• M2: 640,728 km (0.114 R)
• M3: 1,185,114 km (0.089 R)
• M4: 1,923,529 km (0.056 R)
• M5: 2,820,817 km (0.054 R)
• M6: 4,010,420 km (0.104 R)
• M7: 7,044,713 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 14

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.67 AU - 3.57 AU

Year: 3804 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 61.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,824,353 km

• M1: 174,282 km (0.053 R)
• M2: 639,232 km (0.113 R)
• M3: 1,407,267 km (0.109 R)
• M4: 2,322,657 km (0.097 R)
• M5: 3,001,831 km (0.065 R)
• M6: 4,089,407 km (0.099 R)
• M7: 5,035,016 km (0.101 R)
• M8: 5,920,934 km (0.1 R)
• M9: 6,386,632 km (0.077 R)
• M10: 8,249,275 km (0.111 R)
• M11: 12,448,488 km (0.118 R)
• M12: 14,479,279 km (0.118 R)
• M13: 16,608,206 km (0.104 R)
• M14: 18,876,110 km (0.108 R)
• M15: 24,165,741 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 10.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.62 AU - 3.66 AU

Year: 3841 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,824,353 km

• M1: 131,796 km (0.072 R)
• M2: 718,668 km (0.081 R)
• M3: 1,153,549 km (0.057 R)
• M4: 1,621,791 km (0.097 R)
• M5: 2,166,177 km (0.104 R)
• M6: 2,743,176 km (0.108 R)
• M7: 3,099,518 km (0.069 R)
• M8: 3,605,757 km (0.097 R)
• M9: 4,379,328 km (0.113 R)
• M10: 5,083,635 km (0.074 R)
• M11: 5,742,613 km (0.093 R)
• M12: 6,849,937 km (0.108 R)
• M13: 7,625,452 km (0.074 R)
• M14: 8,929,198 km (0.119 R)
• M15: 9,285,241 km (0.119 R)
• M16: 10,026,199 km (0.115 R)
• M17: 11,062,613 km (0.028 R)
• M18: 14,600,303 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.5

Radius: 4.2

Gravity: 49.46 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.73 AU - 7.55 AU

Year: 10502 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,824,353 km

• M1: 52,210 km (0.062 R)
• M2: 370,255 km (0.099 R)
• M3: 507,586 km (0.049 R)
• M4: 704,756 km (0.109 R)
• M5: 1,514,828 km (0.035 R)
• M6: 1,681,031 km (0.072 R)
• M7: 2,638,757 km (0.092 R)
• M8: 3,209,174 km (0.052 R)
• M9: 3,667,990 km (0.104 R)
• M10: 5,514,327 km (0.094 R)
• M11: 6,132,914 km (0.099 R)
• M12: 7,041,572 km (0.117 R)
• M13: 7,463,288 km (0.1 R)
• M14: 8,497,159 km (0.047 R)
• M15: 10,679,343 km (0.118 R)
• M16: 11,406,239 km (0.107 R)
• M17: 12,285,276 km (0.086 R)
• M18: 12,588,062 km (0.117 R)
• M19: 14,376,355 km (0.097 R)
• M20: 16,110,195 km (0.089 R)
• M21: 18,212,045 km (0.101 R)
• M22: 19,328,344 km (0.104 R)
• M23: 21,001,297 km (0.079 R)
• M24: 24,156,765 km (0.108 R)
• M25: 26,094,506 km (0.085 R)
• M26: 30,386,170 km (0.075 R)
• M27: 32,181,045 km (0.049 R)
• M28: 34,642,379 km (0.112 R)
• M29: 35,734,593 km (0.105 R)
• M30: 37,605,763 km (0.036 R)
• M31: 37,987,687 km (0.075 R)
• M32: 38,888,714 km (0.1 R)
• M33: 47,798,165 km (0.089 R)
• M34: 50,838,443 km (0.119 R)
• M35: 51,618,147 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.1

Radius: 7.7

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.08 AU - 7.58 AU

Year: 10993 Days

Day: 23.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 52,824,353 km

• M1: 95,743 km (0.064 R)
• M2: 544,237 km (0.106 R)
• M3: 815,458 km (0.104 R)
• M4: 1,692,102 km (0.026 R)
• M5: 2,308,594 km (0.083 R)
• M6: 2,648,032 km (0.085 R)
• M7: 5,466,007 km (0.106 R)
• M8: 5,745,605 km (0.056 R)
• M9: 6,295,527 km (0.118 R)
• M10: 7,331,193 km (0.112 R)
• M11: 8,803,984 km (0.087 R)
• M12: 11,795,792 km (0.099 R)
• M13: 13,487,894 km (0.075 R)
• M14: 16,391,887 km (0.109 R)
• M15: 16,827,816 km (0.107 R)
• M16: 18,181,826 km (0.073 R)
• M17: 18,570,481 km (0.096 R)
• M18: 20,015,597 km (0.073 R)
• M19: 20,850,203 km (0.079 R)
• M20: 24,421,254 km (0.072 R)
• M21: 25,859,338 km (0.109 R)
• M22: 31,281,812 km (0.116 R)
• M23: 41,833,100 km (0.03 R)
• M24: 42,238,660 km (0.114 R)
• M25: 43,195,488 km (0.063 R)
• M26: 45,152,078 km (0.078 R)
• M27: 45,436,314 km (0.118 R)
• M28: 51,840,749 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492

Radius: 4.6

Gravity: 23.25 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.86 AU - 7.88 AU

Year: 11097 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,824,353 km

• M1: 57,146 km (0.057 R)
• M2: 206,146 km (0.068 R)
• M3: 367,412 km (0.083 R)
• M4: 708,496 km (0.117 R)
• M5: 951,742 km (0.107 R)
• M6: 1,439,580 km (0.093 R)
• M7: 1,738,926 km (0.047 R)
• M8: 2,113,220 km (0.086 R)
• M9: 3,132,729 km (0.11 R)
• M10: 4,300,939 km (0.065 R)
• M11: 4,767,684 km (0.044 R)
• M12: 5,203,313 km (0.104 R)
• M13: 5,940,531 km (0.094 R)
• M14: 6,225,216 km (0.088 R)
• M15: 8,170,886 km (0.108 R)
• M16: 8,657,678 km (0.096 R)
• M17: 10,334,969 km (0.065 R)
• M18: 11,009,506 km (0.032 R)
• M19: 11,222,832 km (0.114 R)
• M20: 12,103,964 km (0.099 R)
• M21: 13,089,664 km (0.098 R)
• M22: 13,389,458 km (0.092 R)
• M23: 18,453,645 km (0.069 R)
• M24: 20,390,040 km (0.048 R)
• M25: 22,202,418 km (0.088 R)
• M26: 22,714,791 km (0.063 R)
• M27: 25,581,086 km (0.087 R)
• M28: 26,524,002 km (0.061 R)
• M29: 31,481,077 km (0.111 R)
• M30: 40,588,146 km (0.09 R)
• M31: 40,842,313 km (0.111 R)
• M32: 42,128,855 km (0.059 R)
• M33: 42,650,951 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.9

Radius: 6.8

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.8 AU - 8.68 AU

Year: 14864 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,824,353 km

• M1: 85,271 km (0.083 R)
• M2: 570,267 km (0.044 R)
• M3: 808,277 km (0.069 R)
• M4: 1,101,340 km (0.105 R)
• M5: 2,051,436 km (0.052 R)
• M6: 2,285,706 km (0.079 R)
• M7: 2,808,550 km (0.116 R)
• M8: 3,048,805 km (0.115 R)
• M9: 5,607,975 km (0.05 R)
• M10: 6,555,229 km (0.12 R)
• M11: 7,198,949 km (0.093 R)
• M12: 8,462,752 km (0.03 R)
• M13: 10,654,959 km (0.114 R)
• M14: 12,352,895 km (0.109 R)
• M15: 16,352,094 km (0.112 R)
• M16: 22,346,780 km (0.05 R)
• M17: 24,597,480 km (0.116 R)
• M18: 29,202,701 km (0.114 R)
• M19: 30,700,625 km (0.113 R)
• M20: 36,150,026 km (0.083 R)
• M21: 38,010,575 km (0.072 R)
• M22: 38,417,332 km (0.098 R)
• M23: 43,824,846 km (0.104 R)
• M24: 54,556,249 km (0.114 R)
• M25: 55,420,925 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.6

Radius: 5.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.27 AU - 9.63 AU

Year: 15473 Days

Day: 24.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,824,353 km

• M1: 65,075 km (0.049 R)
• M2: 1,176,587 km (0.064 R)
• M3: 1,424,172 km (0.086 R)
• M4: 1,716,636 km (0.113 R)
• M5: 2,072,828 km (0.119 R)
• M6: 3,138,264 km (0.065 R)
• M7: 4,083,274 km (0.053 R)
• M8: 8,730,382 km (0.118 R)
• M9: 11,594,733 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.2

Radius: 4.9

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.33 AU - 9.13 AU

Year: 16297 Days

Day: 20.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,824,353 km

• M1: 61,335 km (0.111 R)
• M2: 338,839 km (0.109 R)
• M3: 600,037 km (0.064 R)
• M4: 1,295,218 km (0.115 R)
• M5: 1,957,039 km (0.096 R)
• M6: 3,387,345 km (0.047 R)
• M7: 6,117,655 km (0.074 R)
• M8: 9,781,008 km (0.076 R)
• M9: 11,514,847 km (0.059 R)
• M10: 13,698,976 km (0.077 R)
• M11: 15,930,228 km (0.095 R)
• M12: 17,318,945 km (0.116 R)
• M13: 20,755,957 km (0.105 R)
• M14: 22,949,660 km (0.036 R)
• M15: 25,976,623 km (0.083 R)
• M16: 29,046,671 km (0.098 R)
• M17: 35,529,644 km (0.049 R)
• M18: 37,887,905 km (0.078 R)
• M19: 43,328,330 km (0.114 R)
• M20: 43,745,709 km (0.117 R)
• M21: 47,035,067 km (0.075 R)
• M22: 49,569,554 km (0.082 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: 333 - 18,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit