🌌 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: 658.7

Radius: 11.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.65 AU - 0.71 AU

Year: 394 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,092,192 km

• M1: 143,016 km (0.059 R)
• M2: 508,184 km (0.053 R)
• M3: 910,901 km (0.066 R)
• M4: 1,581,698 km (0.08 R)
• M5: 2,077,316 km (0.106 R)
• M6: 2,598,365 km (0.071 R)
• M7: 2,958,148 km (0.083 R)
• M8: 3,681,454 km (0.066 R)
• M9: 4,298,545 km (0.059 R)
• M10: 5,368,320 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 10.5

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.21 AU - 1.87 AU

Year: 1343 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,092,192 km

• M1: 130,749 km (0.113 R)
• M2: 475,572 km (0.109 R)
• M3: 882,029 km (0.076 R)
• M4: 1,497,624 km (0.031 R)
• M5: 2,135,659 km (0.114 R)
• M6: 2,505,465 km (0.047 R)
• M7: 3,550,107 km (0.036 R)
• M8: 4,252,619 km (0.112 R)
• M9: 4,843,231 km (0.081 R)
• M10: 5,553,223 km (0.104 R)
• M11: 5,887,873 km (0.107 R)
• M12: 6,307,345 km (0.045 R)
• M13: 6,647,232 km (0.104 R)
• M14: 7,180,099 km (0.116 R)
• M15: 7,686,638 km (0.101 R)
• M16: 8,018,745 km (0.045 R)
• M17: 8,891,200 km (0.034 R)
• M18: 11,527,114 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 12.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.12 AU - 3.02 AU

Year: 2896 Days

Day: 13.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,092,192 km

• M1: 151,543 km (0.056 R)
• M2: 562,937 km (0.042 R)
• M3: 954,285 km (0.084 R)
• M4: 1,485,507 km (0.064 R)
• M5: 1,863,989 km (0.056 R)
• M6: 3,506,574 km (0.116 R)
• M7: 3,898,670 km (0.111 R)
• M8: 4,819,146 km (0.044 R)
• M9: 6,493,595 km (0.109 R)
• M10: 6,997,291 km (0.063 R)
• M11: 8,492,222 km (0.109 R)
• M12: 10,467,363 km (0.097 R)
• M13: 12,326,266 km (0.1 R)
• M14: 13,334,107 km (0.095 R)
• M15: 13,713,936 km (0.106 R)
• M16: 14,545,102 km (0.09 R)
• M17: 14,947,670 km (0.067 R)
• M18: 15,670,227 km (0.117 R)
• M19: 16,797,597 km (0.097 R)
• M20: 17,806,186 km (0.063 R)
• M21: 18,736,236 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 13.2

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.19 AU - 3.09 AU

Year: 3015 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,092,192 km

• M1: 164,258 km (0.066 R)
• M2: 855,700 km (0.082 R)
• M3: 1,330,523 km (0.071 R)
• M4: 1,997,132 km (0.116 R)
• M5: 2,498,284 km (0.086 R)
• M6: 3,542,777 km (0.118 R)
• M7: 4,197,567 km (0.06 R)
• M8: 4,646,959 km (0.095 R)
• M9: 5,407,664 km (0.067 R)
• M10: 6,422,685 km (0.117 R)
• M11: 7,022,124 km (0.106 R)
• M12: 8,025,028 km (0.089 R)
• M13: 8,721,257 km (0.105 R)
• M14: 9,686,462 km (0.095 R)
• M15: 11,265,916 km (0.067 R)
• M16: 11,741,039 km (0.025 R)
• M17: 12,274,655 km (0.095 R)
• M18: 13,247,340 km (0.055 R)
• M19: 15,769,860 km (0.09 R)
• M20: 17,257,910 km (0.117 R)
• M21: 22,826,690 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 10.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.95 AU - 3.05 AU

Year: 3653 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,092,192 km

• M1: 130,749 km (0.091 R)
• M2: 499,956 km (0.117 R)
• M3: 854,653 km (0.117 R)
• M4: 4,364,817 km (0.083 R)
• M5: 4,901,425 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.4

Radius: 5.4

Gravity: 29.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.77 AU - 6.43 AU

Year: 9315 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 52,092,192 km

• M1: 87,216 km (0.089 R)
• M2: 266,135 km (0.082 R)
• M3: 434,283 km (0.086 R)
• M4: 1,570,778 km (0.089 R)
• M5: 2,357,812 km (0.107 R)
• M6: 3,682,950 km (0.097 R)
• M7: 4,030,915 km (0.109 R)
• M8: 9,627,221 km (0.082 R)
• M9: 10,654,360 km (0.113 R)
• M10: 11,249,461 km (0.096 R)
• M11: 15,497,292 km (0.101 R)
• M12: 15,910,482 km (0.079 R)
• M13: 19,645,043 km (0.057 R)
• M14: 20,210,672 km (0.108 R)
• M15: 21,629,010 km (0.087 R)
• M16: 25,701,662 km (0.106 R)
• M17: 32,444,337 km (0.097 R)
• M18: 40,018,178 km (0.061 R)
• M19: 40,276,235 km (0.057 R)
• M20: 42,380,478 km (0.099 R)
• M21: 44,006,009 km (0.085 R)
• M22: 47,525,149 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.2

Radius: 6.9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.02 AU - 8.78 AU

Year: 14150 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,092,192 km

• M1: 86,617 km (0.106 R)
• M2: 400,174 km (0.064 R)
• M3: 1,017,714 km (0.079 R)
• M4: 1,287,439 km (0.113 R)
• M5: 1,727,107 km (0.047 R)
• M6: 2,685,132 km (0.114 R)
• M7: 3,254,950 km (0.09 R)
• M8: 4,694,980 km (0.038 R)
• M9: 5,450,898 km (0.049 R)
• M10: 6,594,424 km (0.044 R)
• M11: 7,243,529 km (0.111 R)
• M12: 9,297,059 km (0.091 R)
• M13: 17,052,063 km (0.086 R)
• M14: 18,348,777 km (0.071 R)
• M15: 20,206,035 km (0.079 R)
• M16: 21,482,703 km (0.114 R)
• M17: 22,631,914 km (0.11 R)
• M18: 23,084,597 km (0.049 R)
• M19: 25,536,656 km (0.107 R)
• M20: 27,845,998 km (0.064 R)
• M21: 31,173,952 km (0.103 R)
• M22: 41,504,583 km (0.08 R)
• M23: 44,544,112 km (0.112 R)
• M24: 49,832,696 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.5

Radius: 3.7

Gravity: 36.92 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.07 AU - 11.03 AU

Year: 20745 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 107.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 52,092,192 km

• M1: 49,068 km (0.047 R)
• M2: 288,425 km (0.074 R)
• M3: 506,389 km (0.097 R)
• M4: 1,186,311 km (0.098 R)
• M5: 1,326,933 km (0.115 R)
• M6: 1,817,165 km (0.12 R)
• M7: 2,987,918 km (0.069 R)
• M8: 3,196,159 km (0.102 R)
• M9: 3,909,591 km (0.028 R)
• M10: 4,352,550 km (0.114 R)
• M11: 4,552,263 km (0.052 R)
• M12: 5,605,133 km (0.092 R)
• M13: 6,167,322 km (0.062 R)
• M14: 9,496,323 km (0.091 R)
• M15: 11,194,857 km (0.077 R)
• M16: 11,696,758 km (0.104 R)
• M17: 15,715,406 km (0.085 R)
• M18: 17,236,068 km (0.071 R)
• M19: 22,381,188 km (0.119 R)
• M20: 24,823,074 km (0.097 R)
• M21: 26,546,142 km (0.092 R)
• M22: 27,324,350 km (0.026 R)
• M23: 29,513,266 km (0.102 R)
• M24: 29,631,598 km (0.063 R)
• M25: 33,075,192 km (0.027 R)
• M26: 34,629,364 km (0.1 R)
• M27: 35,961,084 km (0.059 R)
• M28: 37,742,795 km (0.066 R)
• M29: 42,830,469 km (0.099 R)
• M30: 46,731,832 km (0.077 R)
• M31: 47,539,511 km (0.036 R)
• M32: 49,182,694 km (0.114 R)
• M33: 50,693,632 km (0.088 R)
• M34: 50,863,426 km (0.1 R)
• M35: 55,591,915 km (0.104 R)
• M36: 56,316,418 km (0.107 R)
• M37: 59,089,364 km (0.114 R)
• M38: 60,033,476 km (0.026 R)
• M39: 62,730,576 km (0.09 R)
• M40: 64,506,452 km (0.117 R)
• M41: 68,158,136 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.4

Radius: 5.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.04 AU - 11.48 AU

Year: 21433 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,092,192 km

• M1: 73,453 km (0.109 R)
• M2: 471,084 km (0.071 R)
• M3: 765,792 km (0.118 R)
• M4: 1,155,195 km (0.06 R)
• M5: 1,342,042 km (0.118 R)
• M6: 1,683,874 km (0.112 R)
• M7: 2,228,111 km (0.116 R)
• M8: 2,644,741 km (0.101 R)
• M9: 3,377,621 km (0.089 R)
• M10: 4,066,669 km (0.071 R)
• M11: 5,439,678 km (0.107 R)
• M12: 6,772,744 km (0.071 R)
• M13: 7,557,684 km (0.092 R)
• M14: 8,401,716 km (0.042 R)
• M15: 9,208,647 km (0.066 R)
• M16: 11,086,249 km (0.114 R)
• M17: 11,649,934 km (0.1 R)
• M18: 18,770,194 km (0.103 R)
• M19: 23,362,101 km (0.097 R)
• M20: 25,916,036 km (0.108 R)
• M21: 26,408,512 km (0.077 R)
• M22: 36,375,470 km (0.099 R)
• M23: 36,621,559 km (0.094 R)
• M24: 39,273,181 km (0.036 R)
• M25: 41,645,654 km (0.06 R)
• M26: 43,279,412 km (0.09 R)
• M27: 45,809,262 km (0.118 R)
• M28: 47,549,534 km (0.112 R)
• M29: 48,139,248 km (0.106 R)
• M30: 51,625,477 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 10,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit