🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 14

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.59 AU - 0.69 AU

Year: 353 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,035,981 km

• M1: 174,132 km (0.086 R)
• M2: 654,341 km (0.086 R)
• M3: 1,415,645 km (0.044 R)
• M4: 1,856,659 km (0.091 R)
• M5: 2,409,124 km (0.082 R)
• M6: 3,124,202 km (0.079 R)
• M7: 3,573,893 km (0.111 R)
• M8: 4,922,219 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.1

Radius: 8.5

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.67 AU - 0.87 AU

Year: 466 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,035,981 km

• M1: 105,766 km (0.099 R)
• M2: 383,120 km (0.075 R)
• M3: 651,349 km (0.115 R)
• M4: 999,763 km (0.085 R)
• M5: 1,312,273 km (0.106 R)
• M6: 1,736,382 km (0.12 R)
• M7: 2,121,597 km (0.072 R)
• M8: 2,502,324 km (0.081 R)
• M9: 2,828,148 km (0.076 R)
• M10: 3,206,182 km (0.083 R)
• M11: 4,607,914 km (0.119 R)
• M12: 5,452,992 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.7

Radius: 8.7

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.6 AU - 2.36 AU

Year: 1923 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,035,981 km

• M1: 108,159 km (0.095 R)
• M2: 451,486 km (0.102 R)
• M3: 944,860 km (0.057 R)
• M4: 1,253,929 km (0.041 R)
• M5: 1,620,893 km (0.063 R)
• M6: 2,517,134 km (0.078 R)
• M7: 2,839,368 km (0.112 R)
• M8: 3,272,304 km (0.037 R)
• M9: 3,675,470 km (0.1 R)
• M10: 4,033,159 km (0.111 R)
• M11: 4,414,035 km (0.072 R)
• M12: 6,054,525 km (0.101 R)
• M13: 6,912,918 km (0.112 R)
• M14: 7,973,118 km (0.088 R)
• M15: 8,803,685 km (0.065 R)
• M16: 9,585,633 km (0.104 R)
• M17: 9,868,074 km (0.118 R)
• M18: 10,375,959 km (0.062 R)
• M19: 11,170,323 km (0.085 R)
• M20: 11,562,569 km (0.088 R)
• M21: 13,398,733 km (0.082 R)
• M22: 13,886,422 km (0.096 R)
• M23: 16,454,868 km (0.034 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.8

Radius: 6.3

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.09 AU - 7.65 AU

Year: 12429 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,035,981 km

• M1: 78,539 km (0.087 R)
• M2: 277,205 km (0.104 R)
• M3: 611,257 km (0.102 R)
• M4: 843,134 km (0.109 R)
• M5: 1,074,861 km (0.093 R)
• M6: 1,876,705 km (0.087 R)
• M7: 2,394,613 km (0.113 R)
• M8: 3,507,322 km (0.119 R)
• M9: 4,239,753 km (0.04 R)
• M10: 4,522,792 km (0.077 R)
• M11: 4,957,075 km (0.061 R)
• M12: 7,334,784 km (0.098 R)
• M13: 7,743,335 km (0.029 R)
• M14: 9,102,432 km (0.115 R)
• M15: 11,526,965 km (0.117 R)
• M16: 12,028,267 km (0.049 R)
• M17: 15,226,969 km (0.075 R)
• M18: 16,076,236 km (0.12 R)
• M19: 20,291,605 km (0.053 R)
• M20: 21,096,142 km (0.099 R)
• M21: 26,807,938 km (0.113 R)
• M22: 28,676,266 km (0.12 R)
• M23: 29,502,944 km (0.027 R)
• M24: 32,176,408 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 698

Radius: 4.2

Gravity: 39.57 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.14 AU - 9.52 AU

Year: 15124 Days

Day: 23.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,035,981 km

• M1: 52,808 km (0.071 R)
• M2: 284,086 km (0.04 R)
• M3: 845,228 km (0.056 R)
• M4: 1,387,221 km (0.085 R)
• M5: 1,569,132 km (0.119 R)
• M6: 1,962,275 km (0.116 R)
• M7: 2,094,221 km (0.032 R)
• M8: 2,798,228 km (0.09 R)
• M9: 3,877,128 km (0.12 R)
• M10: 4,364,967 km (0.038 R)
• M11: 7,568,605 km (0.058 R)
• M12: 8,085,316 km (0.09 R)
• M13: 8,929,347 km (0.101 R)
• M14: 9,240,810 km (0.068 R)
• M15: 9,775,922 km (0.043 R)
• M16: 12,895,636 km (0.097 R)
• M17: 13,563,291 km (0.084 R)
• M18: 13,974,835 km (0.064 R)
• M19: 18,225,060 km (0.056 R)
• M20: 22,207,954 km (0.092 R)
• M21: 23,360,306 km (0.119 R)
• M22: 23,852,034 km (0.114 R)
• M23: 24,250,264 km (0.108 R)
• M24: 27,926,781 km (0.078 R)
• M25: 29,839,539 km (0.114 R)
• M26: 32,199,296 km (0.1 R)
• M27: 33,053,799 km (0.118 R)
• M28: 35,967,816 km (0.085 R)
• M29: 39,048,635 km (0.085 R)
• M30: 44,216,194 km (0.096 R)
• M31: 45,728,628 km (0.107 R)
• M32: 53,980,596 km (0.043 R)
• M33: 58,365,310 km (0.033 R)
• M34: 60,551,833 km (0.107 R)
• M35: 62,415,074 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.3

Radius: 4.9

Gravity: 27.83 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.67 AU - 10.09 AU

Year: 21436 Days

Day: 18.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,035,981 km

• M1: 61,036 km (0.081 R)
• M2: 291,865 km (0.083 R)
• M3: 513,869 km (0.086 R)
• M4: 1,294,919 km (0.04 R)
• M5: 1,721,423 km (0.083 R)
• M6: 2,047,396 km (0.113 R)
• M7: 2,323,853 km (0.108 R)
• M8: 3,684,596 km (0.12 R)
• M9: 4,292,561 km (0.101 R)
• M10: 4,532,815 km (0.06 R)
• M11: 5,115,350 km (0.047 R)
• M12: 5,504,005 km (0.108 R)
• M13: 5,912,108 km (0.119 R)
• M14: 7,257,591 km (0.047 R)
• M15: 7,899,366 km (0.101 R)
• M16: 9,756,175 km (0.116 R)
• M17: 10,111,619 km (0.032 R)
• M18: 11,165,387 km (0.115 R)
• M19: 13,057,650 km (0.113 R)
• M20: 14,996,588 km (0.059 R)
• M21: 19,527,608 km (0.077 R)
• M22: 22,972,997 km (0.11 R)
• M23: 23,920,251 km (0.087 R)
• M24: 25,780,051 km (0.088 R)
• M25: 30,032,221 km (0.056 R)
• M26: 31,804,807 km (0.04 R)
• M27: 32,454,360 km (0.063 R)
• M28: 37,394,681 km (0.088 R)
• M29: 38,263,994 km (0.049 R)
• M30: 41,412,730 km (0.095 R)
• M31: 45,873,888 km (0.079 R)
• M32: 48,732,853 km (0.101 R)
• M33: 51,174,739 km (0.113 R)
• M34: 52,786,805 km (0.077 R)
• M35: 54,617,435 km (0.072 R)
• M36: 63,176,078 km (0.085 R)
• M37: 64,822,553 km (0.09 R)
• M38: 69,063,203 km (0.064 R)
• M39: 69,932,965 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 18,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit