🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.7

Radius: 12.8

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 7.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,771,518 km

• M1: 159,172 km (0.102 R)
• M2: 610,509 km (0.069 R)
• M3: 1,068,877 km (0.115 R)
• M4: 1,505,254 km (0.091 R)
• M5: 2,032,736 km (0.046 R)
• M6: 2,619,758 km (0.065 R)
• M7: 3,193,615 km (0.076 R)
• M8: 3,769,268 km (0.101 R)
• M9: 4,224,045 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 12.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.73 AU - 0.93 AU

Year: 522 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,771,518 km

• M1: 156,779 km (0.052 R)
• M2: 556,354 km (0.073 R)
• M3: 1,021,155 km (0.034 R)
• M4: 1,897,350 km (0.098 R)
• M5: 2,297,075 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.5

Radius: 12.9

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.72 AU - 1.08 AU

Year: 589 Days

Day: 10.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,771,518 km

• M1: 160,519 km (0.12 R)
• M2: 603,179 km (0.113 R)
• M3: 1,017,116 km (0.081 R)
• M4: 2,200,585 km (0.052 R)
• M5: 2,731,358 km (0.095 R)
• M6: 3,436,712 km (0.117 R)
• M7: 4,024,781 km (0.097 R)
• M8: 4,631,550 km (0.094 R)
• M9: 5,457,330 km (0.083 R)
• M10: 6,846,347 km (0.094 R)
• M11: 7,512,356 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 13.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.42 AU - 1.46 AU

Year: 1193 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,771,518 km

• M1: 185,053 km (0.117 R)
• M2: 681,568 km (0.081 R)
• M3: 1,475,185 km (0.097 R)
• M4: 1,967,810 km (0.056 R)
• M5: 2,637,111 km (0.088 R)
• M6: 3,285,319 km (0.091 R)
• M7: 4,644,116 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.6

Radius: 13.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.33 AU - 1.93 AU

Year: 1436 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,771,518 km

• M1: 163,211 km (0.086 R)
• M2: 591,360 km (0.1 R)
• M3: 1,108,371 km (0.034 R)
• M4: 1,673,701 km (0.119 R)
• M5: 2,803,314 km (0.096 R)
• M6: 3,494,606 km (0.061 R)
• M7: 4,772,471 km (0.105 R)
• M8: 5,562,348 km (0.104 R)
• M9: 6,534,884 km (0.063 R)
• M10: 7,536,591 km (0.109 R)
• M11: 8,432,832 km (0.12 R)
• M12: 10,777,180 km (0.115 R)
• M13: 12,211,375 km (0.106 R)
• M14: 12,935,578 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 10.2

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.46 AU - 1.82 AU

Year: 1450 Days

Day: 12.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,771,518 km

• M1: 126,859 km (0.118 R)
• M2: 445,502 km (0.118 R)
• M3: 775,815 km (0.106 R)
• M4: 1,113,906 km (0.117 R)
• M5: 1,454,540 km (0.032 R)
• M6: 1,971,999 km (0.09 R)
• M7: 2,341,655 km (0.038 R)
• M8: 2,897,412 km (0.102 R)
• M9: 4,273,263 km (0.069 R)
• M10: 4,676,729 km (0.075 R)
• M11: 5,211,391 km (0.075 R)
• M12: 6,042,258 km (0.077 R)
• M13: 6,652,169 km (0.085 R)
• M14: 7,037,383 km (0.07 R)
• M15: 7,712,668 km (0.107 R)
• M16: 8,080,529 km (0.03 R)
• M17: 8,699,715 km (0.09 R)
• M18: 11,100,461 km (0.067 R)
• M19: 13,179,124 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.4

Radius: 11.6

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.79 AU - 2.49 AU

Year: 2161 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,771,518 km

• M1: 144,362 km (0.12 R)
• M2: 1,002,007 km (0.065 R)
• M3: 1,402,181 km (0.085 R)
• M4: 1,969,007 km (0.103 R)
• M5: 2,582,957 km (0.099 R)
• M6: 2,959,495 km (0.094 R)
• M7: 3,675,919 km (0.06 R)
• M8: 4,317,245 km (0.047 R)
• M9: 4,918,628 km (0.119 R)
• M10: 6,289,543 km (0.097 R)
• M11: 7,266,866 km (0.061 R)
• M12: 7,838,480 km (0.084 R)
• M13: 9,208,647 km (0.081 R)
• M14: 11,434,812 km (0.094 R)
• M15: 11,960,799 km (0.044 R)
• M16: 12,502,941 km (0.111 R)
• M17: 13,324,682 km (0.103 R)
• M18: 13,861,888 km (0.084 R)
• M19: 15,610,239 km (0.11 R)
• M20: 16,562,878 km (0.099 R)
• M21: 17,983,010 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 10.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.03 AU - 2.65 AU

Year: 2471 Days

Day: 14 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,771,518 km

• M1: 133,441 km (0.052 R)
• M2: 510,129 km (0.091 R)
• M3: 903,721 km (0.099 R)
• M4: 1,930,112 km (0.116 R)
• M5: 2,332,380 km (0.117 R)
• M6: 3,712,271 km (0.111 R)
• M7: 4,619,133 km (0.113 R)
• M8: 5,038,157 km (0.078 R)
• M9: 5,737,826 km (0.086 R)
• M10: 6,222,823 km (0.114 R)
• M11: 6,787,704 km (0.045 R)
• M12: 7,414,669 km (0.119 R)
• M13: 8,109,551 km (0.079 R)
• M14: 9,297,956 km (0.049 R)
• M15: 10,563,106 km (0.109 R)
• M16: 11,978,451 km (0.117 R)
• M17: 12,371,146 km (0.03 R)
• M18: 14,115,008 km (0.077 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 10.8

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.12 AU - 4.92 AU

Year: 6633 Days

Day: 12.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,771,518 km

• M1: 134,339 km (0.086 R)
• M2: 701,913 km (0.118 R)
• M3: 2,163,784 km (0.042 R)
• M4: 2,792,693 km (0.063 R)
• M5: 3,855,137 km (0.105 R)
• M6: 4,569,467 km (0.087 R)
• M7: 5,140,332 km (0.108 R)
• M8: 6,196,793 km (0.081 R)
• M9: 8,375,835 km (0.064 R)
• M10: 8,940,268 km (0.074 R)
• M11: 9,316,507 km (0.03 R)
• M12: 10,100,699 km (0.063 R)
• M13: 10,554,878 km (0.117 R)
• M14: 11,070,392 km (0.116 R)
• M15: 12,407,199 km (0.107 R)
• M16: 12,981,505 km (0.07 R)
• M17: 14,353,018 km (0.072 R)
• M18: 14,869,580 km (0.113 R)
• M19: 15,458,247 km (0.072 R)
• M20: 18,367,926 km (0.055 R)
• M21: 19,390,726 km (0.066 R)
• M22: 21,032,264 km (0.079 R)
• M23: 22,764,458 km (0.113 R)
• M24: 26,340,146 km (0.118 R)
• M25: 30,933,848 km (0.097 R)
• M26: 31,699,789 km (0.107 R)
• M27: 33,369,451 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418.4

Radius: 6.9

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.54 AU - 6.96 AU

Year: 10785 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,771,518 km

• M1: 85,869 km (0.112 R)
• M2: 437,574 km (0.119 R)
• M3: 675,883 km (0.032 R)
• M4: 1,073,963 km (0.116 R)
• M5: 2,060,860 km (0.095 R)
• M6: 2,657,008 km (0.113 R)
• M7: 2,921,497 km (0.058 R)
• M8: 4,133,240 km (0.105 R)
• M9: 4,602,977 km (0.089 R)
• M10: 5,169,504 km (0.096 R)
• M11: 6,122,442 km (0.109 R)
• M12: 6,404,883 km (0.103 R)
• M13: 7,110,387 km (0.11 R)
• M14: 7,743,934 km (0.099 R)
• M15: 8,116,432 km (0.063 R)
• M16: 9,398,486 km (0.074 R)
• M17: 10,912,417 km (0.071 R)
• M18: 11,916,966 km (0.116 R)
• M19: 14,916,104 km (0.114 R)
• M20: 15,234,748 km (0.055 R)
• M21: 16,487,331 km (0.1 R)
• M22: 19,497,390 km (0.083 R)
• M23: 21,859,091 km (0.06 R)
• M24: 22,603,191 km (0.07 R)
• M25: 24,492,911 km (0.101 R)
• M26: 25,476,218 km (0.105 R)
• M27: 25,748,935 km (0.094 R)
• M28: 26,485,705 km (0.092 R)
• M29: 28,388,739 km (0.081 R)
• M30: 30,076,652 km (0.072 R)
• M31: 36,568,003 km (0.113 R)
• M32: 37,733,520 km (0.118 R)
• M33: 37,969,585 km (0.079 R)
• M34: 42,515,864 km (0.029 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: 228 - 10,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit