🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 9.3

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.52 AU - 1.66 AU

Year: 1384 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,219,807 km

• M1: 115,639 km (0.054 R)
• M2: 410,347 km (0.118 R)
• M3: 712,385 km (0.104 R)
• M4: 1,056,460 km (0.06 R)
• M5: 1,512,434 km (0.089 R)
• M6: 1,813,126 km (0.083 R)
• M7: 2,154,060 km (0.069 R)
• M8: 2,451,161 km (0.062 R)
• M9: 3,363,708 km (0.087 R)
• M10: 3,766,426 km (0.088 R)
• M11: 4,232,273 km (0.086 R)
• M12: 4,635,589 km (0.106 R)
• M13: 5,651,808 km (0.107 R)
• M14: 5,942,476 km (0.112 R)
• M15: 6,809,845 km (0.093 R)
• M16: 7,117,119 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 10.9

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.82 AU - 2.44 AU

Year: 2146 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,219,807 km

• M1: 135,536 km (0.115 R)
• M2: 489,933 km (0.079 R)
• M3: 1,191,248 km (0.057 R)
• M4: 2,112,172 km (0.065 R)
• M5: 2,468,514 km (0.077 R)
• M6: 2,865,098 km (0.099 R)
• M7: 4,029,119 km (0.096 R)
• M8: 4,520,997 km (0.072 R)
• M9: 5,531,232 km (0.098 R)
• M10: 6,190,659 km (0.091 R)
• M11: 8,676,976 km (0.106 R)
• M12: 13,191,540 km (0.095 R)
• M13: 14,145,376 km (0.081 R)
• M14: 14,730,304 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 8.1

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.76 AU - 4.54 AU

Year: 4813 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,219,807 km

• M1: 101,278 km (0.08 R)
• M2: 365,168 km (0.078 R)
• M3: 621,579 km (0.098 R)
• M4: 917,484 km (0.11 R)
• M5: 1,401,134 km (0.097 R)
• M6: 1,707,959 km (0.056 R)
• M7: 1,990,998 km (0.065 R)
• M8: 2,474,947 km (0.098 R)
• M9: 2,874,523 km (0.113 R)
• M10: 4,573,357 km (0.085 R)
• M11: 5,335,558 km (0.102 R)
• M12: 5,607,676 km (0.033 R)
• M13: 5,946,515 km (0.068 R)
• M14: 6,239,278 km (0.072 R)
• M15: 6,634,217 km (0.099 R)
• M16: 6,949,270 km (0.05 R)
• M17: 9,247,093 km (0.109 R)
• M18: 10,845,846 km (0.09 R)
• M19: 11,462,189 km (0.074 R)
• M20: 14,475,688 km (0.076 R)
• M21: 17,143,916 km (0.099 R)
• M22: 17,558,601 km (0.089 R)
• M23: 18,655,752 km (0.112 R)
• M24: 19,284,662 km (0.082 R)
• M25: 19,540,175 km (0.047 R)
• M26: 19,862,708 km (0.071 R)
• M27: 21,392,496 km (0.093 R)
• M28: 22,714,193 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.7

Radius: 12.1

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.04 AU - 5.46 AU

Year: 7146 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,219,807 km

• M1: 157,826 km (0.119 R)
• M2: 580,141 km (0.115 R)
• M3: 1,276,070 km (0.053 R)
• M4: 2,372,173 km (0.093 R)
• M5: 4,094,643 km (0.116 R)
• M6: 4,669,997 km (0.047 R)
• M7: 6,561,662 km (0.067 R)
• M8: 11,119,909 km (0.117 R)
• M9: 12,201,502 km (0.106 R)
• M10: 14,433,801 km (0.036 R)
• M11: 14,949,016 km (0.104 R)
• M12: 16,568,263 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434

Radius: 7.2

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.74 AU - 6.98 AU

Year: 9792 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,219,807 km

• M1: 125,363 km (0.104 R)
• M2: 737,817 km (0.093 R)
• M3: 1,216,380 km (0.049 R)
• M4: 1,681,630 km (0.026 R)
• M5: 2,174,704 km (0.061 R)
• M6: 2,401,046 km (0.083 R)
• M7: 3,005,571 km (0.111 R)
• M8: 4,162,112 km (0.114 R)
• M9: 4,625,267 km (0.05 R)
• M10: 6,432,260 km (0.097 R)
• M11: 10,266,154 km (0.071 R)
• M12: 12,657,925 km (0.045 R)
• M13: 13,687,308 km (0.104 R)
• M14: 14,102,292 km (0.09 R)
• M15: 17,452,686 km (0.095 R)
• M16: 19,237,538 km (0.084 R)
• M17: 19,534,041 km (0.1 R)
• M18: 20,060,326 km (0.092 R)
• M19: 21,062,483 km (0.102 R)
• M20: 22,833,871 km (0.088 R)
• M21: 25,317,794 km (0.076 R)
• M22: 29,716,420 km (0.096 R)
• M23: 33,840,086 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.3

Radius: 4.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.15 AU - 10.45 AU

Year: 18019 Days

Day: 17.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,219,807 km

• M1: 52,210 km (0.108 R)
• M2: 309,368 km (0.098 R)
• M3: 637,137 km (0.079 R)
• M4: 1,120,189 km (0.078 R)
• M5: 1,417,141 km (0.117 R)
• M6: 1,866,233 km (0.08 R)
• M7: 2,081,505 km (0.045 R)
• M8: 5,915,997 km (0.103 R)
• M9: 6,203,824 km (0.047 R)
• M10: 6,776,335 km (0.11 R)
• M11: 7,922,105 km (0.111 R)
• M12: 8,378,678 km (0.1 R)
• M13: 17,081,534 km (0.074 R)
• M14: 17,547,082 km (0.092 R)
• M15: 18,747,605 km (0.046 R)
• M16: 19,305,456 km (0.111 R)
• M17: 19,619,910 km (0.078 R)
• M18: 19,874,077 km (0.11 R)
• M19: 24,317,283 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494

Radius: 3.4

Gravity: 42.73 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.45 AU - 10.97 AU

Year: 19293 Days

Day: 23.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,219,807 km

• M1: 42,486 km (0.026 R)
• M2: 810,820 km (0.097 R)
• M3: 1,095,056 km (0.079 R)
• M4: 1,583,344 km (0.088 R)
• M5: 1,857,856 km (0.102 R)
• M6: 2,413,014 km (0.118 R)
• M7: 4,114,091 km (0.105 R)
• M8: 5,335,408 km (0.062 R)
• M9: 5,598,102 km (0.111 R)
• M10: 6,564,654 km (0.091 R)
• M11: 6,866,243 km (0.114 R)
• M12: 7,222,286 km (0.118 R)
• M13: 7,358,869 km (0.117 R)
• M14: 12,371,295 km (0.11 R)
• M15: 13,302,243 km (0.102 R)
• M16: 16,927,747 km (0.104 R)
• M17: 17,412,594 km (0.071 R)
• M18: 18,409,664 km (0.084 R)
• M19: 19,008,504 km (0.101 R)
• M20: 20,975,267 km (0.104 R)
• M21: 27,681,141 km (0.067 R)
• M22: 28,015,941 km (0.085 R)
• M23: 28,466,530 km (0.09 R)
• M24: 29,382,069 km (0.118 R)
• M25: 29,847,169 km (0.075 R)
• M26: 32,741,289 km (0.113 R)
• M27: 33,241,096 km (0.053 R)
• M28: 35,160,885 km (0.088 R)
• M29: 35,816,872 km (0.097 R)
• M30: 40,352,530 km (0.114 R)
• M31: 46,188,193 km (0.082 R)
• M32: 50,376,036 km (0.119 R)
• M33: 52,391,269 km (0.095 R)
• M34: 56,761,322 km (0.091 R)
• M35: 60,614,664 km (0.05 R)
• M36: 61,179,096 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.7

Radius: 4.8

Gravity: 18.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 8.39 AU - 11.55 AU

Year: 21730 Days

Day: 15.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,219,807 km

• M1: 59,690 km (0.101 R)
• M2: 500,854 km (0.094 R)
• M3: 750,682 km (0.065 R)
• M4: 972,386 km (0.12 R)
• M5: 1,548,787 km (0.101 R)
• M6: 1,802,056 km (0.091 R)
• M7: 3,560,878 km (0.061 R)
• M8: 4,317,395 km (0.088 R)
• M9: 6,518,129 km (0.111 R)
• M10: 6,998,039 km (0.112 R)
• M11: 8,027,871 km (0.025 R)
• M12: 8,630,152 km (0.113 R)
• M13: 9,262,203 km (0.115 R)
• M14: 11,342,959 km (0.086 R)
• M15: 12,426,048 km (0.12 R)
• M16: 12,757,258 km (0.031 R)
• M17: 13,856,802 km (0.111 R)
• M18: 15,167,728 km (0.118 R)
• M19: 16,798,943 km (0.11 R)
• M20: 18,117,649 km (0.083 R)
• M21: 24,807,516 km (0.104 R)
• M22: 28,296,437 km (0.105 R)
• M23: 32,471,863 km (0.095 R)
• M24: 33,100,025 km (0.045 R)
• M25: 38,141,024 km (0.065 R)
• M26: 38,419,576 km (0.11 R)
• M27: 42,913,944 km (0.087 R)
• M28: 46,307,871 km (0.092 R)
• M29: 47,263,652 km (0.038 R)
• M30: 49,876,379 km (0.09 R)
• M31: 53,275,691 km (0.108 R)
• M32: 56,645,084 km (0.05 R)
• M33: 59,403,370 km (0.055 R)
• M34: 62,442,899 km (0.09 R)
• M35: 64,987,409 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 4.7

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.75 AU - 11.51 AU

Year: 22255 Days

Day: 19.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,219,807 km

• M1: 58,493 km (0.086 R)
• M2: 225,444 km (0.061 R)
• M3: 420,968 km (0.067 R)
• M4: 578,495 km (0.089 R)
• M5: 795,262 km (0.064 R)
• M6: 1,241,662 km (0.107 R)
• M7: 1,654,253 km (0.101 R)
• M8: 2,133,714 km (0.058 R)
• M9: 2,523,267 km (0.108 R)
• M10: 3,442,546 km (0.101 R)
• M11: 4,157,325 km (0.104 R)
• M12: 4,897,984 km (0.097 R)
• M13: 5,139,884 km (0.113 R)
• M14: 6,268,151 km (0.075 R)
• M15: 8,255,858 km (0.078 R)
• M16: 10,010,641 km (0.113 R)
• M17: 14,659,245 km (0.081 R)
• M18: 18,421,482 km (0.06 R)
• M19: 23,260,075 km (0.114 R)
• M20: 25,145,756 km (0.103 R)
• M21: 25,349,958 km (0.094 R)
• M22: 27,345,743 km (0.05 R)
• M23: 27,778,978 km (0.1 R)
• M24: 34,962,967 km (0.093 R)
• M25: 38,098,688 km (0.104 R)
• M26: 41,559,036 km (0.115 R)
• M27: 46,439,667 km (0.101 R)
• M28: 49,096,824 km (0.095 R)
• M29: 52,018,920 km (0.099 R)
• M30: 54,200,057 km (0.094 R)
• M31: 62,033,450 km (0.073 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: 442 - 17,527 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit