🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 11

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.86 AU - 1.28 AU

Year: 715 Days

Day: 10.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,130,743 km

• M1: 137,630 km (0.098 R)
• M2: 488,587 km (0.118 R)
• M3: 1,052,720 km (0.112 R)
• M4: 1,563,298 km (0.088 R)
• M5: 2,225,867 km (0.108 R)
• M6: 3,173,868 km (0.093 R)
• M7: 3,855,436 km (0.099 R)
• M8: 4,238,856 km (0.117 R)
• M9: 4,773,967 km (0.109 R)
• M10: 6,958,395 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 8

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.33 AU - 1.85 AU

Year: 1295 Days

Day: 13.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,130,743 km

• M1: 99,483 km (0.103 R)
• M2: 366,365 km (0.116 R)
• M3: 715,676 km (0.1 R)
• M4: 1,203,814 km (0.103 R)
• M5: 1,763,908 km (0.102 R)
• M6: 2,082,702 km (0.093 R)
• M7: 2,335,372 km (0.112 R)
• M8: 2,785,363 km (0.068 R)
• M9: 3,699,406 km (0.081 R)
• M10: 5,067,777 km (0.074 R)
• M11: 5,325,086 km (0.084 R)
• M12: 5,865,882 km (0.074 R)
• M13: 9,547,037 km (0.082 R)
• M14: 9,879,443 km (0.089 R)
• M15: 10,955,800 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.9

Radius: 10.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.85 AU - 2.63 AU

Year: 2165 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,130,743 km

• M1: 132,095 km (0.038 R)
• M2: 483,500 km (0.118 R)
• M3: 835,953 km (0.075 R)
• M4: 1,201,121 km (0.039 R)
• M5: 1,608,028 km (0.086 R)
• M6: 1,951,355 km (0.035 R)
• M7: 2,734,499 km (0.118 R)
• M8: 3,581,074 km (0.031 R)
• M9: 4,156,726 km (0.088 R)
• M10: 5,209,746 km (0.106 R)
• M11: 5,880,094 km (0.083 R)
• M12: 6,236,286 km (0.099 R)
• M13: 6,759,131 km (0.117 R)
• M14: 7,203,736 km (0.026 R)
• M15: 7,808,111 km (0.12 R)
• M16: 8,900,325 km (0.104 R)
• M17: 9,531,628 km (0.089 R)
• M18: 9,957,833 km (0.049 R)
• M19: 12,130,293 km (0.116 R)
• M20: 12,709,536 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 9.1

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.68 AU - 3.08 AU

Year: 3156 Days

Day: 10.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,130,743 km

• M1: 113,096 km (0.067 R)
• M2: 467,643 km (0.081 R)
• M3: 790,774 km (0.077 R)
• M4: 1,149,360 km (0.095 R)
• M5: 1,444,218 km (0.108 R)
• M6: 2,290,643 km (0.034 R)
• M7: 4,299,293 km (0.053 R)
• M8: 5,173,543 km (0.094 R)
• M9: 6,133,363 km (0.111 R)
• M10: 6,478,336 km (0.032 R)
• M11: 7,207,476 km (0.103 R)
• M12: 8,091,898 km (0.1 R)
• M13: 8,578,092 km (0.117 R)
• M14: 9,456,979 km (0.097 R)
• M15: 9,801,503 km (0.08 R)
• M16: 10,194,347 km (0.062 R)
• M17: 10,597,513 km (0.095 R)
• M18: 11,522,028 km (0.058 R)
• M19: 12,636,981 km (0.114 R)
• M20: 13,196,926 km (0.037 R)
• M21: 14,467,012 km (0.061 R)
• M22: 15,079,914 km (0.09 R)
• M23: 19,990,015 km (0.099 R)
• M24: 22,060,300 km (0.09 R)
• M25: 22,735,436 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.8

Radius: 12.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.35 AU - 6.99 AU

Year: 8717 Days

Day: 12.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,130,743 km

• M1: 154,535 km (0.106 R)
• M2: 596,896 km (0.117 R)
• M3: 1,203,515 km (0.051 R)
• M4: 2,363,497 km (0.082 R)
• M5: 3,951,029 km (0.103 R)
• M6: 4,555,255 km (0.109 R)
• M7: 4,971,287 km (0.113 R)
• M8: 6,124,238 km (0.077 R)
• M9: 11,663,398 km (0.102 R)
• M10: 12,446,543 km (0.091 R)
• M11: 13,625,823 km (0.119 R)
• M12: 14,242,764 km (0.098 R)
• M13: 18,048,235 km (0.082 R)
• M14: 19,791,050 km (0.083 R)
• M15: 20,422,653 km (0.111 R)
• M16: 22,912,111 km (0.113 R)
• M17: 24,861,820 km (0.035 R)
• M18: 27,015,879 km (0.056 R)
• M19: 27,990,210 km (0.041 R)
• M20: 31,053,975 km (0.111 R)
• M21: 32,885,950 km (0.052 R)
• M22: 35,593,373 km (0.098 R)
• M23: 37,120,468 km (0.106 R)
• M24: 38,081,634 km (0.109 R)
• M25: 38,813,317 km (0.118 R)
• M26: 40,304,808 km (0.085 R)
• M27: 42,222,503 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 4.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.85 AU - 9.17 AU

Year: 13288 Days

Day: 17.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,130,743 km

• M1: 64,327 km (0.115 R)
• M2: 500,255 km (0.057 R)
• M3: 712,983 km (0.064 R)
• M4: 1,430,754 km (0.052 R)
• M5: 1,674,449 km (0.038 R)
• M6: 2,230,205 km (0.096 R)
• M7: 3,330,946 km (0.095 R)
• M8: 3,738,750 km (0.061 R)
• M9: 4,364,667 km (0.115 R)
• M10: 5,057,605 km (0.103 R)
• M11: 6,320,959 km (0.065 R)
• M12: 6,503,917 km (0.099 R)
• M13: 9,255,171 km (0.091 R)
• M14: 9,812,274 km (0.072 R)
• M15: 12,840,584 km (0.086 R)
• M16: 15,209,167 km (0.037 R)
• M17: 23,444,380 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.9

Radius: 3.1

Gravity: 36.83 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.95 AU - 9.07 AU

Year: 16029 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,130,743 km

• M1: 103,073 km (0.082 R)
• M2: 242,199 km (0.077 R)
• M3: 775,366 km (0.104 R)
• M4: 1,445,714 km (0.093 R)
• M5: 1,591,572 km (0.116 R)
• M6: 1,879,099 km (0.112 R)
• M7: 2,334,475 km (0.096 R)
• M8: 2,598,365 km (0.094 R)
• M9: 2,748,412 km (0.032 R)
• M10: 3,666,644 km (0.047 R)
• M11: 5,896,550 km (0.116 R)
• M12: 6,777,831 km (0.116 R)
• M13: 8,235,812 km (0.106 R)
• M14: 9,735,979 km (0.082 R)
• M15: 13,326,926 km (0.109 R)
• M16: 15,729,468 km (0.083 R)
• M17: 16,156,121 km (0.059 R)
• M18: 24,258,342 km (0.114 R)
• M19: 26,990,448 km (0.026 R)
• M20: 27,294,730 km (0.092 R)
• M21: 34,822,046 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.3

Radius: 5.1

Gravity: 33.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.52 AU - 11.16 AU

Year: 18430 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,130,743 km

• M1: 64,477 km (0.106 R)
• M2: 419,772 km (0.084 R)
• M3: 734,376 km (0.051 R)
• M4: 1,023,549 km (0.085 R)
• M5: 2,663,740 km (0.101 R)
• M6: 3,607,253 km (0.108 R)
• M7: 4,072,952 km (0.057 R)
• M8: 4,371,100 km (0.116 R)
• M9: 6,127,230 km (0.106 R)
• M10: 6,299,267 km (0.067 R)
• M11: 6,474,446 km (0.032 R)
• M12: 7,255,946 km (0.089 R)
• M13: 7,894,579 km (0.109 R)
• M14: 8,410,691 km (0.11 R)
• M15: 9,857,752 km (0.057 R)
• M16: 12,395,979 km (0.074 R)
• M17: 13,235,073 km (0.11 R)
• M18: 13,741,612 km (0.077 R)
• M19: 15,417,856 km (0.107 R)
• M20: 19,170,219 km (0.119 R)
• M21: 22,659,739 km (0.059 R)
• M22: 23,488,810 km (0.045 R)
• M23: 24,770,266 km (0.083 R)
• M24: 27,239,229 km (0.062 R)
• M25: 30,989,498 km (0.051 R)
• M26: 37,024,725 km (0.073 R)
• M27: 41,609,152 km (0.11 R)
• M28: 47,223,410 km (0.11 R)
• M29: 47,558,809 km (0.097 R)
• M30: 57,032,243 km (0.094 R)
• M31: 59,925,167 km (0.104 R)
• M32: 60,712,800 km (0.054 R)
• M33: 66,210,821 km (0.115 R)
• M34: 70,054,888 km (0.118 R)
• M35: 76,325,881 km (0.048 R)
• M36: 76,556,561 km (0.033 R)
• M37: 77,716,692 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209

Radius: 7.2

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.83 AU - 10.09 AU

Year: 18787 Days

Day: 19.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,130,743 km

• M1: 89,609 km (0.095 R)
• M2: 1,076,357 km (0.092 R)
• M3: 1,335,759 km (0.083 R)
• M4: 1,637,049 km (0.058 R)
• M5: 2,320,861 km (0.096 R)
• M6: 2,931,969 km (0.111 R)
• M7: 3,519,140 km (0.047 R)
• M8: 4,098,533 km (0.092 R)
• M9: 4,801,044 km (0.038 R)
• M10: 7,768,917 km (0.084 R)
• M11: 8,609,956 km (0.073 R)
• M12: 8,934,733 km (0.115 R)
• M13: 10,264,359 km (0.116 R)
• M14: 11,003,372 km (0.076 R)
• M15: 12,825,325 km (0.09 R)
• M16: 13,495,374 km (0.096 R)
• M17: 14,381,890 km (0.062 R)
• M18: 15,306,405 km (0.105 R)
• M19: 16,695,272 km (0.068 R)
• M20: 21,111,551 km (0.104 R)
• M21: 21,617,491 km (0.094 R)
• M22: 24,177,110 km (0.078 R)
• M23: 35,248,101 km (0.059 R)
• M24: 39,536,174 km (0.095 R)
• M25: 40,952,567 km (0.083 R)
• M26: 43,072,518 km (0.052 R)
• M27: 43,613,763 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 10,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit