🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 8.2

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.45 AU - 0.57 AU

Year: 247 Days

Day: 11.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,736,396 km

• M1: 102,026 km (0.096 R)
• M2: 391,498 km (0.107 R)
• M3: 801,396 km (0.119 R)
• M4: 1,131,857 km (0.085 R)
• M5: 1,438,683 km (0.11 R)
• M6: 1,860,250 km (0.118 R)
• M7: 2,170,665 km (0.091 R)
• M8: 2,736,594 km (0.083 R)
• M9: 3,016,940 km (0.084 R)
• M10: 3,306,711 km (0.074 R)
• M11: 3,593,790 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 10.3

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.69 AU - 2.03 AU

Year: 1721 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,736,396 km

• M1: 130,001 km (0.112 R)
• M2: 463,753 km (0.108 R)
• M3: 796,459 km (0.074 R)
• M4: 1,281,455 km (0.117 R)
• M5: 1,761,066 km (0.117 R)
• M6: 2,319,365 km (0.081 R)
• M7: 2,640,851 km (0.115 R)
• M8: 2,977,147 km (0.119 R)
• M9: 3,425,342 km (0.094 R)
• M10: 3,845,114 km (0.086 R)
• M11: 4,398,028 km (0.074 R)
• M12: 4,830,814 km (0.113 R)
• M13: 5,383,130 km (0.055 R)
• M14: 6,001,717 km (0.083 R)
• M15: 6,535,482 km (0.093 R)
• M16: 7,045,312 km (0.075 R)
• M17: 8,266,778 km (0.105 R)
• M18: 9,864,184 km (0.088 R)
• M19: 10,284,854 km (0.118 R)
• M20: 11,580,820 km (0.03 R)
• M21: 13,919,633 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.8

Radius: 8.8

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.94 AU - 2 AU

Year: 1875 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,736,396 km

• M1: 109,506 km (0.078 R)
• M2: 401,820 km (0.044 R)
• M3: 715,676 km (0.048 R)
• M4: 1,007,392 km (0.059 R)
• M5: 1,287,290 km (0.034 R)
• M6: 1,600,548 km (0.062 R)
• M7: 2,221,828 km (0.117 R)
• M8: 2,595,224 km (0.098 R)
• M9: 2,876,917 km (0.098 R)
• M10: 3,830,154 km (0.029 R)
• M11: 5,857,953 km (0.118 R)
• M12: 7,129,386 km (0.043 R)
• M13: 7,460,147 km (0.077 R)
• M14: 7,917,019 km (0.063 R)
• M15: 8,792,764 km (0.052 R)
• M16: 10,036,222 km (0.057 R)
• M17: 11,467,574 km (0.091 R)
• M18: 12,193,124 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 10.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.59 AU - 2.91 AU

Year: 3093 Days

Day: 8.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,736,396 km

• M1: 134,339 km (0.053 R)
• M2: 509,979 km (0.073 R)
• M3: 1,884,634 km (0.09 R)
• M4: 2,287,202 km (0.106 R)
• M5: 4,449,041 km (0.028 R)
• M6: 5,282,600 km (0.089 R)
• M7: 11,194,558 km (0.089 R)
• M8: 13,571,668 km (0.092 R)
• M9: 14,764,412 km (0.068 R)
• M10: 16,315,593 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 8.5

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.54 AU - 4.2 AU

Year: 4196 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,736,396 km

• M1: 105,766 km (0.108 R)
• M2: 370,404 km (0.08 R)
• M3: 637,736 km (0.103 R)
• M4: 964,607 km (0.103 R)
• M5: 1,483,113 km (0.096 R)
• M6: 1,806,544 km (0.088 R)
• M7: 2,072,379 km (0.116 R)
• M8: 2,649,378 km (0.117 R)
• M9: 5,142,277 km (0.107 R)
• M10: 6,482,525 km (0.085 R)
• M11: 7,461,044 km (0.074 R)
• M12: 7,856,880 km (0.118 R)
• M13: 8,808,921 km (0.087 R)
• M14: 9,415,989 km (0.096 R)
• M15: 9,964,265 km (0.094 R)
• M16: 10,894,914 km (0.119 R)
• M17: 11,357,919 km (0.109 R)
• M18: 15,721,839 km (0.113 R)
• M19: 16,919,519 km (0.089 R)
• M20: 19,093,326 km (0.113 R)
• M21: 19,360,807 km (0.104 R)
• M22: 21,591,161 km (0.052 R)
• M23: 22,693,399 km (0.111 R)
• M24: 24,455,662 km (0.116 R)
• M25: 27,309,690 km (0.113 R)
• M26: 28,598,027 km (0.067 R)
• M27: 29,657,628 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.1

Radius: 6.7

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.18 AU - 7.36 AU

Year: 10649 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,736,396 km

• M1: 164,558 km (0.054 R)
• M2: 631,901 km (0.1 R)
• M3: 1,051,673 km (0.117 R)
• M4: 5,139,136 km (0.085 R)
• M5: 10,144,531 km (0.056 R)
• M6: 10,638,503 km (0.107 R)
• M7: 12,519,846 km (0.095 R)
• M8: 13,299,101 km (0.079 R)
• M9: 15,184,333 km (0.119 R)
• M10: 16,989,830 km (0.054 R)
• M11: 20,663,206 km (0.083 R)
• M12: 22,495,331 km (0.088 R)
• M13: 30,445,859 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 4.4

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.93 AU - 10.11 AU

Year: 16867 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,736,396 km

• M1: 81,232 km (0.109 R)
• M2: 607,517 km (0.058 R)
• M3: 1,182,721 km (0.103 R)
• M4: 5,045,338 km (0.091 R)
• M5: 5,899,242 km (0.102 R)
• M6: 11,976,955 km (0.113 R)
• M7: 13,183,612 km (0.108 R)
• M8: 13,603,234 km (0.058 R)
• M9: 14,659,245 km (0.103 R)
• M10: 15,371,032 km (0.111 R)
• M11: 22,165,468 km (0.098 R)
• M12: 27,888,334 km (0.097 R)
• M13: 28,678,809 km (0.08 R)
• M14: 29,484,095 km (0.106 R)
• M15: 39,483,964 km (0.061 R)
• M16: 41,876,932 km (0.093 R)
• M17: 42,652,148 km (0.119 R)
• M18: 43,305,442 km (0.072 R)
• M19: 44,498,186 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.9

Radius: 6.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.12 AU - 10.4 AU

Year: 17585 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,736,396 km

• M1: 82,129 km (0.078 R)
• M2: 351,256 km (0.101 R)
• M3: 573,558 km (0.041 R)
• M4: 1,073,814 km (0.111 R)
• M5: 1,566,439 km (0.073 R)
• M6: 2,382,496 km (0.048 R)
• M7: 3,125,848 km (0.102 R)
• M8: 4,316,647 km (0.104 R)
• M9: 4,545,980 km (0.101 R)
• M10: 5,413,797 km (0.113 R)
• M11: 6,954,356 km (0.08 R)
• M12: 9,042,144 km (0.11 R)
• M13: 12,759,053 km (0.056 R)
• M14: 15,180,594 km (0.094 R)
• M15: 15,983,186 km (0.097 R)
• M16: 17,745,898 km (0.116 R)
• M17: 18,261,711 km (0.109 R)
• M18: 20,345,610 km (0.11 R)
• M19: 20,748,177 km (0.065 R)
• M20: 21,238,260 km (0.098 R)
• M21: 21,819,747 km (0.05 R)
• M22: 26,285,991 km (0.085 R)
• M23: 28,131,580 km (0.059 R)
• M24: 29,035,301 km (0.064 R)
• M25: 29,443,105 km (0.089 R)
• M26: 34,410,951 km (0.034 R)
• M27: 37,693,128 km (0.113 R)
• M28: 38,667,908 km (0.086 R)
• M29: 39,909,870 km (0.04 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.5

Radius: 5.8

Gravity: 26.59 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.23 AU - 9.99 AU

Year: 20206 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,736,396 km

• M1: 72,106 km (0.077 R)
• M2: 692,489 km (0.09 R)
• M3: 1,443,171 km (0.089 R)
• M4: 1,700,629 km (0.054 R)
• M5: 2,788,056 km (0.12 R)
• M6: 4,555,106 km (0.119 R)
• M7: 7,345,704 km (0.117 R)
• M8: 8,215,616 km (0.089 R)
• M9: 8,593,201 km (0.093 R)
• M10: 11,301,371 km (0.118 R)
• M11: 12,247,877 km (0.055 R)
• M12: 12,527,774 km (0.07 R)
• M13: 13,246,293 km (0.104 R)
• M14: 13,467,100 km (0.118 R)
• M15: 13,840,496 km (0.109 R)
• M16: 18,416,096 km (0.09 R)
• M17: 21,494,222 km (0.116 R)
• M18: 24,454,764 km (0.097 R)
• M19: 30,397,689 km (0.092 R)
• M20: 33,564,227 km (0.041 R)
• M21: 39,775,231 km (0.09 R)
• M22: 40,081,309 km (0.11 R)
• M23: 46,540,346 km (0.067 R)
• M24: 48,605,246 km (0.04 R)
• M25: 51,090,665 km (0.063 R)
• M26: 51,634,004 km (0.079 R)
• M27: 54,597,388 km (0.095 R)
• M28: 58,458,360 km (0.089 R)
• M29: 59,651,253 km (0.119 R)
• M30: 59,851,715 km (0.066 R)
• M31: 60,860,303 km (0.082 R)
• M32: 73,171,460 km (0.082 R)
• M33: 77,617,210 km (0.08 R)
• M34: 78,575,534 km (0.092 R)
• M35: 80,515,668 km (0.117 R)
• M36: 82,239,485 km (0.097 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 15,725 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit