🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 14.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.29 AU - 1.51 AU

Year: 1070 Days

Day: 7.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,829,289 km

• M1: 181,612 km (0.116 R)
• M2: 848,818 km (0.114 R)
• M3: 1,311,375 km (0.108 R)
• M4: 2,082,552 km (0.072 R)
• M5: 2,987,021 km (0.119 R)
• M6: 3,740,396 km (0.039 R)
• M7: 4,995,671 km (0.094 R)
• M8: 7,383,403 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.9

Radius: 14.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.15 AU - 1.69 AU

Year: 1093 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,829,289 km

• M1: 191,784 km (0.029 R)
• M2: 681,418 km (0.059 R)
• M3: 1,153,848 km (0.1 R)
• M4: 1,800,261 km (0.111 R)
• M5: 2,609,136 km (0.086 R)
• M6: 3,682,352 km (0.059 R)
• M7: 5,152,450 km (0.085 R)
• M8: 6,717,094 km (0.106 R)
• M9: 7,363,357 km (0.096 R)
• M10: 8,160,414 km (0.045 R)
• M11: 9,677,785 km (0.107 R)
• M12: 10,276,925 km (0.077 R)
• M13: 11,514,847 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 13

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.92 AU - 2.08 AU

Year: 1826 Days

Day: 8.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,829,289 km

• M1: 161,715 km (0.087 R)
• M2: 566,378 km (0.103 R)
• M3: 995,873 km (0.068 R)
• M4: 1,452,745 km (0.111 R)
• M5: 2,091,677 km (0.096 R)
• M6: 2,500,977 km (0.086 R)
• M7: 3,314,341 km (0.093 R)
• M8: 3,907,646 km (0.065 R)
• M9: 5,347,825 km (0.085 R)
• M10: 5,954,893 km (0.056 R)
• M11: 6,766,760 km (0.036 R)
• M12: 7,453,714 km (0.064 R)
• M13: 8,503,592 km (0.097 R)
• M14: 9,304,090 km (0.116 R)
• M15: 9,855,508 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.6

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.48 AU - 2.7 AU

Year: 2691 Days

Day: 6.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 104.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,829,289 km

• M1: 181,612 km (0.077 R)
• M2: 693,237 km (0.113 R)
• M3: 1,241,214 km (0.103 R)
• M4: 1,908,420 km (0.057 R)
• M5: 2,621,104 km (0.097 R)
• M6: 3,563,870 km (0.084 R)
• M7: 4,189,040 km (0.113 R)
• M8: 4,676,429 km (0.081 R)
• M9: 6,929,822 km (0.084 R)
• M10: 7,583,565 km (0.081 R)
• M11: 9,233,181 km (0.104 R)
• M12: 9,909,812 km (0.066 R)
• M13: 11,278,483 km (0.058 R)
• M14: 13,185,856 km (0.112 R)
• M15: 14,588,485 km (0.055 R)
• M16: 15,559,974 km (0.11 R)
• M17: 16,088,353 km (0.039 R)
• M18: 18,090,721 km (0.093 R)
• M19: 18,616,258 km (0.086 R)
• M20: 20,379,568 km (0.074 R)
• M21: 21,855,351 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.6

Radius: 9.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.89 AU - 5.03 AU

Year: 7132 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,829,289 km

• M1: 123,119 km (0.113 R)
• M2: 434,582 km (0.107 R)
• M3: 914,941 km (0.113 R)
• M4: 1,231,938 km (0.105 R)
• M5: 1,660,387 km (0.092 R)
• M6: 2,465,971 km (0.091 R)
• M7: 2,966,376 km (0.107 R)
• M8: 3,492,213 km (0.118 R)
• M9: 3,832,398 km (0.118 R)
• M10: 5,094,855 km (0.051 R)
• M11: 5,422,025 km (0.107 R)
• M12: 5,879,944 km (0.102 R)
• M13: 7,342,263 km (0.106 R)
• M14: 7,760,689 km (0.072 R)
• M15: 9,311,570 km (0.1 R)
• M16: 11,517,091 km (0.083 R)
• M17: 12,865,716 km (0.099 R)
• M18: 14,586,840 km (0.079 R)
• M19: 16,634,086 km (0.118 R)
• M20: 22,142,280 km (0.067 R)
• M21: 23,091,030 km (0.079 R)
• M22: 23,763,622 km (0.092 R)
• M23: 25,462,605 km (0.059 R)
• M24: 26,261,158 km (0.103 R)
• M25: 26,666,568 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.5

Radius: 9.4

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.64 AU - 6.08 AU

Year: 8012 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,829,289 km

• M1: 116,986 km (0.105 R)
• M2: 1,010,534 km (0.093 R)
• M3: 1,493,436 km (0.112 R)
• M4: 1,858,754 km (0.093 R)
• M5: 2,203,277 km (0.028 R)
• M6: 2,572,635 km (0.089 R)
• M7: 3,266,918 km (0.066 R)
• M8: 4,008,325 km (0.1 R)
• M9: 4,380,674 km (0.111 R)
• M10: 5,488,147 km (0.056 R)
• M11: 5,948,311 km (0.115 R)
• M12: 6,433,905 km (0.102 R)
• M13: 6,876,117 km (0.096 R)
• M14: 9,269,982 km (0.037 R)
• M15: 10,013,034 km (0.102 R)
• M16: 11,469,370 km (0.102 R)
• M17: 13,660,978 km (0.112 R)
• M18: 14,914,010 km (0.114 R)
• M19: 18,718,733 km (0.107 R)
• M20: 20,917,522 km (0.099 R)
• M21: 23,283,113 km (0.069 R)
• M22: 28,358,371 km (0.119 R)
• M23: 28,994,611 km (0.041 R)
• M24: 29,826,674 km (0.05 R)
• M25: 30,201,566 km (0.026 R)
• M26: 32,025,314 km (0.098 R)
• M27: 33,214,318 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.7

Radius: 4.4

Gravity: 28.14 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.3 AU - 8.16 AU

Year: 11273 Days

Day: 21.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,829,289 km

• M1: 87,515 km (0.114 R)
• M2: 244,293 km (0.113 R)
• M3: 439,070 km (0.101 R)
• M4: 1,364,931 km (0.094 R)
• M5: 1,570,778 km (0.08 R)
• M6: 1,893,610 km (0.115 R)
• M7: 2,315,027 km (0.089 R)
• M8: 2,861,059 km (0.102 R)
• M9: 3,317,782 km (0.106 R)
• M10: 3,874,734 km (0.119 R)
• M11: 4,260,099 km (0.091 R)
• M12: 5,269,136 km (0.096 R)
• M13: 6,316,172 km (0.117 R)
• M14: 6,579,165 km (0.059 R)
• M15: 7,918,215 km (0.118 R)
• M16: 9,332,364 km (0.12 R)
• M17: 11,067,699 km (0.052 R)
• M18: 12,240,846 km (0.113 R)
• M19: 14,765,459 km (0.111 R)
• M20: 15,028,901 km (0.104 R)
• M21: 16,323,372 km (0.079 R)
• M22: 18,439,733 km (0.047 R)
• M23: 18,668,617 km (0.09 R)
• M24: 19,682,293 km (0.116 R)
• M25: 21,733,728 km (0.075 R)
• M26: 22,332,718 km (0.094 R)
• M27: 24,286,915 km (0.1 R)
• M28: 25,211,729 km (0.063 R)
• M29: 26,739,871 km (0.089 R)
• M30: 27,229,804 km (0.031 R)
• M31: 30,189,897 km (0.044 R)
• M32: 32,021,275 km (0.069 R)
• M33: 34,384,023 km (0.106 R)
• M34: 34,963,266 km (0.099 R)
• M35: 36,022,270 km (0.106 R)
• M36: 37,102,366 km (0.044 R)
• M37: 38,080,587 km (0.097 R)
• M38: 40,088,041 km (0.051 R)
• M39: 41,247,723 km (0.062 R)
• M40: 43,769,195 km (0.099 R)
• M41: 45,136,520 km (0.117 R)
• M42: 45,552,252 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.7

Radius: 6.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7 AU - 7.02 AU

Year: 11984 Days

Day: 16.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,829,289 km

• M1: 79,885 km (0.112 R)
• M2: 952,340 km (0.113 R)
• M3: 2,244,866 km (0.057 R)
• M4: 2,642,347 km (0.038 R)
• M5: 2,926,284 km (0.073 R)
• M6: 8,265,133 km (0.105 R)
• M7: 9,998,822 km (0.116 R)
• M8: 12,268,671 km (0.115 R)
• M9: 15,216,048 km (0.12 R)
• M10: 16,128,894 km (0.103 R)
• M11: 20,363,711 km (0.101 R)
• M12: 24,950,980 km (0.101 R)
• M13: 27,884,445 km (0.115 R)
• M14: 30,466,354 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.8

Radius: 7

Gravity: 15.89 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.93 AU - 9.67 AU

Year: 15439 Days

Day: 21.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,829,289 km

• M1: 87,066 km (0.119 R)
• M2: 1,343,239 km (0.098 R)
• M3: 2,710,265 km (0.046 R)
• M4: 3,073,039 km (0.099 R)
• M5: 3,606,655 km (0.094 R)
• M6: 3,955,517 km (0.098 R)
• M7: 6,332,627 km (0.072 R)
• M8: 7,194,910 km (0.105 R)
• M9: 9,310,074 km (0.046 R)
• M10: 10,422,334 km (0.089 R)
• M11: 11,130,830 km (0.098 R)
• M12: 11,496,896 km (0.088 R)
• M13: 11,997,450 km (0.104 R)
• M14: 13,724,857 km (0.091 R)
• M15: 16,617,331 km (0.098 R)
• M16: 17,095,596 km (0.048 R)
• M17: 18,928,469 km (0.082 R)
• M18: 20,250,615 km (0.03 R)
• M19: 23,275,185 km (0.112 R)
• M20: 24,894,731 km (0.105 R)
• M21: 25,521,098 km (0.101 R)
• M22: 25,838,095 km (0.05 R)
• M23: 26,696,338 km (0.094 R)
• M24: 27,242,371 km (0.072 R)
• M25: 29,733,624 km (0.104 R)
• M26: 31,154,505 km (0.036 R)
• M27: 33,118,725 km (0.075 R)
• M28: 37,563,876 km (0.113 R)
• M29: 41,656,574 km (0.035 R)
• M30: 43,433,647 km (0.119 R)
• M31: 44,036,976 km (0.111 R)
• M32: 48,096,314 km (0.118 R)
• M33: 50,382,020 km (0.079 R)
• M34: 51,048,179 km (0.092 R)
• M35: 59,877,445 km (0.051 R)
• M36: 64,650,964 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 12,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit