🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 8.3

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.53 AU - 0.87 AU

Year: 378 Days

Day: 12.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,329,318 km

• M1: 109,206 km (0.097 R)
• M2: 267,331 km (0.051 R)
• M3: 639,980 km (0.051 R)
• M4: 853,456 km (0.087 R)
• M5: 1,030,879 km (0.088 R)
• M6: 1,263,504 km (0.072 R)
• M7: 1,436,888 km (0.116 R)
• M8: 1,628,223 km (0.083 R)
• M9: 1,903,184 km (0.063 R)
• M10: 2,096,913 km (0.089 R)
• M11: 2,300,666 km (0.029 R)
• M12: 2,574,729 km (0.069 R)
• M13: 2,824,857 km (0.113 R)
• M14: 3,214,110 km (0.117 R)
• M15: 3,776,748 km (0.053 R)
• M16: 3,945,943 km (0.119 R)
• M17: 4,119,177 km (0.099 R)
• M18: 4,630,353 km (0.1 R)
• M19: 5,370,713 km (0.059 R)
• M20: 5,687,113 km (0.098 R)
• M21: 5,872,165 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513

Radius: 10.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.92 AU - 1.06 AU

Year: 636 Days

Day: 13.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,329,318 km

• M1: 126,410 km (0.097 R)
• M2: 317,746 km (0.1 R)
• M3: 514,617 km (0.101 R)
• M4: 831,764 km (0.072 R)
• M5: 1,057,956 km (0.062 R)
• M6: 1,498,522 km (0.12 R)
• M7: 2,193,105 km (0.066 R)
• M8: 2,528,503 km (0.084 R)
• M9: 2,777,284 km (0.084 R)
• M10: 3,520,038 km (0.079 R)
• M11: 3,804,573 km (0.082 R)
• M12: 4,152,837 km (0.111 R)
• M13: 4,494,967 km (0.093 R)
• M14: 4,704,703 km (0.117 R)
• M15: 5,447,307 km (0.102 R)
• M16: 5,827,136 km (0.084 R)
• M17: 6,207,115 km (0.077 R)
• M18: 6,639,303 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 8.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.47 AU - 2.39 AU

Year: 1731 Days

Day: 11.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,329,318 km

• M1: 109,655 km (0.098 R)
• M2: 285,882 km (0.11 R)
• M3: 815,308 km (0.032 R)
• M4: 1,564,943 km (0.044 R)
• M5: 1,748,799 km (0.095 R)
• M6: 1,970,952 km (0.114 R)
• M7: 2,149,273 km (0.05 R)
• M8: 2,989,564 km (0.119 R)
• M9: 3,269,761 km (0.073 R)
• M10: 3,714,515 km (0.052 R)
• M11: 4,229,431 km (0.104 R)
• M12: 4,506,785 km (0.105 R)
• M13: 4,910,251 km (0.047 R)
• M14: 8,598,586 km (0.11 R)
• M15: 9,338,647 km (0.077 R)
• M16: 9,564,540 km (0.049 R)
• M17: 9,730,593 km (0.11 R)
• M18: 10,669,769 km (0.119 R)
• M19: 10,889,379 km (0.109 R)
• M20: 11,155,812 km (0.067 R)
• M21: 11,357,770 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 12.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.05 AU - 2.37 AU

Year: 2121 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,329,318 km

• M1: 158,125 km (0.057 R)
• M2: 407,505 km (0.077 R)
• M3: 762,500 km (0.118 R)
• M4: 1,007,691 km (0.108 R)
• M5: 1,264,700 km (0.079 R)
• M6: 1,780,215 km (0.114 R)
• M7: 2,198,490 km (0.106 R)
• M8: 2,766,065 km (0.081 R)
• M9: 3,081,866 km (0.118 R)
• M10: 3,622,213 km (0.078 R)
• M11: 3,984,838 km (0.117 R)
• M12: 5,276,167 km (0.111 R)
• M13: 6,328,289 km (0.104 R)
• M14: 6,900,351 km (0.114 R)
• M15: 8,686,101 km (0.118 R)
• M16: 9,766,347 km (0.038 R)
• M17: 10,911,070 km (0.111 R)
• M18: 11,166,434 km (0.093 R)
• M19: 11,543,121 km (0.057 R)
• M20: 11,853,836 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 14.2

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.06 AU - 3.2 AU

Year: 3575 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,329,318 km

• M1: 178,171 km (0.056 R)
• M2: 443,109 km (0.111 R)
• M3: 1,062,893 km (0.074 R)
• M4: 1,405,322 km (0.027 R)
• M5: 2,114,117 km (0.112 R)
• M6: 3,017,539 km (0.109 R)
• M7: 3,571,051 km (0.08 R)
• M8: 4,296,301 km (0.089 R)
• M9: 4,717,419 km (0.092 R)
• M10: 5,227,099 km (0.101 R)
• M11: 5,908,368 km (0.096 R)
• M12: 6,277,725 km (0.034 R)
• M13: 6,945,231 km (0.095 R)
• M14: 9,898,143 km (0.104 R)
• M15: 10,934,408 km (0.041 R)
• M16: 11,201,589 km (0.115 R)
• M17: 13,055,107 km (0.077 R)
• M18: 13,605,777 km (0.115 R)
• M19: 15,052,388 km (0.119 R)
• M20: 19,702,040 km (0.086 R)
• M21: 20,652,584 km (0.099 R)
• M22: 21,908,159 km (0.096 R)
• M23: 23,103,895 km (0.112 R)
• M24: 24,631,140 km (0.088 R)
• M25: 25,387,806 km (0.113 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 12.3

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.07 AU - 6.37 AU

Year: 7701 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 148 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,329,318 km

• M1: 174,132 km (0.04 R)
• M2: 506,239 km (0.074 R)
• M3: 780,901 km (0.053 R)
• M4: 1,862,493 km (0.096 R)
• M5: 2,380,252 km (0.055 R)
• M6: 3,100,865 km (0.117 R)
• M7: 3,620,867 km (0.1 R)
• M8: 4,930,596 km (0.065 R)
• M9: 5,556,065 km (0.079 R)
• M10: 5,835,963 km (0.086 R)
• M11: 7,200,146 km (0.093 R)
• M12: 7,591,045 km (0.095 R)
• M13: 8,442,556 km (0.11 R)
• M14: 9,062,190 km (0.095 R)
• M15: 9,785,795 km (0.063 R)
• M16: 11,273,995 km (0.089 R)
• M17: 12,356,036 km (0.117 R)
• M18: 13,488,492 km (0.067 R)
• M19: 14,923,884 km (0.109 R)
• M20: 16,861,625 km (0.086 R)
• M21: 17,625,920 km (0.11 R)
• M22: 22,197,332 km (0.051 R)
• M23: 23,646,636 km (0.114 R)
• M24: 24,032,300 km (0.044 R)
• M25: 26,819,906 km (0.063 R)
• M26: 27,299,517 km (0.026 R)
• M27: 28,622,561 km (0.104 R)
• M28: 31,142,537 km (0.082 R)
• M29: 32,555,189 km (0.052 R)
• M30: 33,463,548 km (0.118 R)
• M31: 34,927,512 km (0.1 R)
• M32: 38,112,601 km (0.102 R)
• M33: 38,520,554 km (0.11 R)
• M34: 41,607,207 km (0.098 R)
• M35: 43,065,337 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 3.4

Gravity: 81.99 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.92 AU - 8.78 AU

Year: 12866 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 56,329,318 km

• M1: 51,312 km (0.111 R)
• M2: 378,782 km (0.107 R)
• M3: 477,217 km (0.104 R)
• M4: 1,142,479 km (0.107 R)
• M5: 1,388,268 km (0.112 R)
• M6: 1,598,603 km (0.109 R)
• M7: 2,042,909 km (0.119 R)
• M8: 2,369,929 km (0.06 R)
• M9: 2,492,749 km (0.098 R)
• M10: 3,015,594 km (0.088 R)
• M11: 4,115,886 km (0.116 R)
• M12: 4,277,901 km (0.052 R)
• M13: 4,409,696 km (0.117 R)
• M14: 4,543,587 km (0.083 R)
• M15: 7,213,161 km (0.052 R)
• M16: 14,168,863 km (0.115 R)
• M17: 14,408,818 km (0.115 R)
• M18: 15,827,754 km (0.089 R)
• M19: 16,465,340 km (0.094 R)
• M20: 20,485,035 km (0.097 R)
• M21: 22,021,854 km (0.119 R)
• M22: 25,582,881 km (0.103 R)
• M23: 25,743,699 km (0.035 R)
• M24: 25,824,332 km (0.089 R)
• M25: 26,310,825 km (0.118 R)
• M26: 26,966,363 km (0.056 R)
• M27: 27,881,154 km (0.064 R)
• M28: 27,965,078 km (0.118 R)
• M29: 29,153,184 km (0.116 R)
• M30: 30,191,244 km (0.029 R)
• M31: 30,629,117 km (0.114 R)
• M32: 32,231,609 km (0.066 R)
• M33: 32,957,009 km (0.066 R)
• M34: 33,782,640 km (0.118 R)
• M35: 33,967,543 km (0.114 R)
• M36: 34,993,485 km (0.108 R)
• M37: 35,181,530 km (0.045 R)
• M38: 36,321,166 km (0.104 R)
• M39: 39,150,212 km (0.088 R)
• M40: 39,748,753 km (0.111 R)
• M41: 40,251,102 km (0.07 R)
• M42: 42,498,661 km (0.084 R)
• M43: 44,594,976 km (0.11 R)
• M44: 49,832,248 km (0.117 R)
• M45: 53,951,126 km (0.115 R)
• M46: 57,147,583 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.9

Radius: 5.3

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 8.83 AU - 11.69 AU

Year: 21220 Days

Day: 18.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,329,318 km

• M1: 74,051 km (0.075 R)
• M2: 289,173 km (0.112 R)
• M3: 746,643 km (0.097 R)
• M4: 1,200,373 km (0.096 R)
• M5: 5,265,546 km (0.036 R)
• M6: 7,116,670 km (0.055 R)
• M7: 7,317,131 km (0.075 R)
• M8: 11,257,539 km (0.106 R)
• M9: 12,706,993 km (0.118 R)
• M10: 14,814,976 km (0.094 R)
• M11: 17,647,163 km (0.109 R)
• M12: 18,732,795 km (0.077 R)
• M13: 24,204,337 km (0.098 R)
• M14: 28,109,590 km (0.101 R)
• M15: 32,820,726 km (0.057 R)
• M16: 34,736,775 km (0.105 R)
• M17: 40,239,434 km (0.08 R)
• M18: 41,099,771 km (0.03 R)
• M19: 41,484,986 km (0.05 R)
• M20: 43,537,319 km (0.075 R)
• M21: 43,834,570 km (0.119 R)
• M22: 49,674,571 km (0.058 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 10,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit