🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 14.9

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.82 AU - 1.08 AU

Year: 651 Days

Day: 6.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,892,042 km

• M1: 185,352 km (0.101 R)
• M2: 661,223 km (0.092 R)
• M3: 1,262,456 km (0.088 R)
• M4: 2,440,839 km (0.082 R)
• M5: 2,924,938 km (0.059 R)
• M6: 3,576,137 km (0.095 R)
• M7: 4,925,809 km (0.101 R)
• M8: 5,531,680 km (0.038 R)
• M9: 6,074,422 km (0.109 R)
• M10: 6,996,543 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 14.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.33 AU - 1.95 AU

Year: 1476 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,892,042 km

• M1: 181,761 km (0.072 R)
• M2: 663,317 km (0.08 R)
• M3: 1,275,023 km (0.109 R)
• M4: 1,734,887 km (0.118 R)
• M5: 2,227,213 km (0.049 R)
• M6: 2,868,390 km (0.12 R)
• M7: 4,358,384 km (0.104 R)
• M8: 4,875,993 km (0.053 R)
• M9: 7,163,045 km (0.077 R)
• M10: 8,779,151 km (0.039 R)
• M11: 10,060,457 km (0.029 R)
• M12: 12,646,106 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 9.1

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.46 AU - 2.32 AU

Year: 1826 Days

Day: 10.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,892,042 km

• M1: 113,994 km (0.089 R)
• M2: 568,622 km (0.116 R)
• M3: 916,885 km (0.032 R)
• M4: 1,726,509 km (0.109 R)
• M5: 2,057,120 km (0.098 R)
• M6: 3,043,269 km (0.111 R)
• M7: 3,445,239 km (0.119 R)
• M8: 4,181,410 km (0.118 R)
• M9: 5,172,047 km (0.119 R)
• M10: 5,770,289 km (0.074 R)
• M11: 8,293,108 km (0.113 R)
• M12: 10,729,608 km (0.062 R)
• M13: 14,522,363 km (0.079 R)
• M14: 15,017,681 km (0.085 R)
• M15: 15,617,419 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 8.3

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.56 AU - 2.4 AU

Year: 1958 Days

Day: 10.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,892,042 km

• M1: 103,971 km (0.077 R)
• M2: 462,557 km (0.116 R)
• M3: 971,040 km (0.12 R)
• M4: 1,373,009 km (0.104 R)
• M5: 1,950,906 km (0.077 R)
• M6: 2,473,750 km (0.09 R)
• M7: 2,783,119 km (0.094 R)
• M8: 3,497,598 km (0.034 R)
• M9: 4,095,391 km (0.112 R)
• M10: 4,428,995 km (0.081 R)
• M11: 4,844,577 km (0.067 R)
• M12: 5,173,244 km (0.087 R)
• M13: 5,493,383 km (0.033 R)
• M14: 6,249,601 km (0.052 R)
• M15: 10,953,107 km (0.043 R)
• M16: 11,559,278 km (0.063 R)
• M17: 14,387,426 km (0.1 R)
• M18: 14,702,628 km (0.047 R)
• M19: 15,160,697 km (0.098 R)
• M20: 15,770,458 km (0.073 R)
• M21: 16,105,408 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 9.8

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.46 AU - 3.86 AU

Year: 3949 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,892,042 km

• M1: 121,922 km (0.058 R)
• M2: 438,471 km (0.067 R)
• M3: 966,253 km (0.106 R)
• M4: 1,485,956 km (0.098 R)
• M5: 1,826,440 km (0.115 R)
• M6: 2,161,390 km (0.097 R)
• M7: 2,789,701 km (0.117 R)
• M8: 3,360,567 km (0.107 R)
• M9: 4,735,670 km (0.108 R)
• M10: 5,549,483 km (0.052 R)
• M11: 7,161,100 km (0.12 R)
• M12: 8,289,517 km (0.073 R)
• M13: 9,311,869 km (0.066 R)
• M14: 10,416,051 km (0.079 R)
• M15: 11,282,223 km (0.052 R)
• M16: 11,751,212 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.7

Radius: 14.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.6 AU - 3.72 AU

Year: 3949 Days

Day: 6.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,892,042 km

• M1: 181,612 km (0.11 R)
• M2: 967,599 km (0.072 R)
• M3: 1,652,159 km (0.115 R)
• M4: 5,327,928 km (0.088 R)
• M5: 6,646,185 km (0.098 R)
• M6: 8,862,926 km (0.114 R)
• M7: 9,559,603 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.37 AU - 5.17 AU

Year: 7323 Days

Day: 9.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,892,042 km

• M1: 139,724 km (0.097 R)
• M2: 572,511 km (0.1 R)
• M3: 1,132,007 km (0.106 R)
• M4: 1,609,823 km (0.098 R)
• M5: 2,020,469 km (0.038 R)
• M6: 2,365,741 km (0.071 R)
• M7: 2,881,853 km (0.053 R)
• M8: 3,259,887 km (0.094 R)
• M9: 3,670,982 km (0.098 R)
• M10: 5,584,189 km (0.12 R)
• M11: 6,175,550 km (0.084 R)
• M12: 7,594,037 km (0.118 R)
• M13: 8,281,140 km (0.109 R)
• M14: 9,911,906 km (0.114 R)
• M15: 10,454,198 km (0.097 R)
• M16: 13,143,370 km (0.041 R)
• M17: 13,687,756 km (0.098 R)
• M18: 14,763,215 km (0.079 R)
• M19: 15,114,322 km (0.088 R)
• M20: 17,404,366 km (0.099 R)
• M21: 17,994,679 km (0.115 R)
• M22: 21,370,654 km (0.087 R)
• M23: 23,207,566 km (0.112 R)
• M24: 26,585,337 km (0.086 R)
• M25: 28,889,443 km (0.12 R)
• M26: 30,277,711 km (0.085 R)
• M27: 33,387,103 km (0.09 R)
• M28: 33,891,398 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.4

Radius: 4.9

Gravity: 23.84 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.41 AU - 8.23 AU

Year: 12519 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,892,042 km

• M1: 61,186 km (0.117 R)
• M2: 214,075 km (0.094 R)
• M3: 492,626 km (0.11 R)
• M4: 649,704 km (0.103 R)
• M5: 1,351,766 km (0.057 R)
• M6: 1,729,651 km (0.107 R)
• M7: 2,030,342 km (0.054 R)
• M8: 3,026,963 km (0.105 R)
• M9: 4,167,946 km (0.079 R)
• M10: 4,866,269 km (0.098 R)
• M11: 5,361,737 km (0.102 R)
• M12: 7,859,573 km (0.099 R)
• M13: 8,218,009 km (0.072 R)
• M14: 8,967,644 km (0.117 R)
• M15: 12,186,243 km (0.075 R)
• M16: 13,034,762 km (0.068 R)
• M17: 13,857,251 km (0.108 R)
• M18: 14,713,699 km (0.098 R)
• M19: 15,258,085 km (0.055 R)
• M20: 15,815,786 km (0.077 R)
• M21: 17,494,573 km (0.057 R)
• M22: 17,798,257 km (0.107 R)
• M23: 18,028,189 km (0.082 R)
• M24: 19,694,260 km (0.043 R)
• M25: 20,355,034 km (0.061 R)
• M26: 21,808,228 km (0.102 R)
• M27: 22,248,345 km (0.106 R)
• M28: 30,447,804 km (0.072 R)
• M29: 34,793,622 km (0.115 R)
• M30: 42,741,308 km (0.055 R)
• M31: 43,016,120 km (0.112 R)
• M32: 44,548,451 km (0.084 R)
• M33: 46,696,078 km (0.027 R)
• M34: 49,061,968 km (0.107 R)
• M35: 51,351,264 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.1

Radius: 7.4

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.3 AU - 9.68 AU

Year: 15876 Days

Day: 18.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 49,892,042 km

• M1: 92,003 km (0.061 R)
• M2: 625,917 km (0.083 R)
• M3: 943,215 km (0.113 R)
• M4: 1,762,562 km (0.087 R)
• M5: 2,085,694 km (0.088 R)
• M6: 2,427,824 km (0.062 R)
• M7: 3,526,770 km (0.061 R)
• M8: 3,792,156 km (0.067 R)
• M9: 4,764,543 km (0.085 R)
• M10: 5,394,948 km (0.088 R)
• M11: 6,004,859 km (0.091 R)
• M12: 7,361,562 km (0.108 R)
• M13: 11,167,780 km (0.062 R)
• M14: 15,331,687 km (0.082 R)
• M15: 16,404,454 km (0.083 R)
• M16: 21,112,149 km (0.057 R)
• M17: 22,619,348 km (0.082 R)
• M18: 22,984,067 km (0.115 R)
• M19: 26,851,172 km (0.094 R)
• M20: 29,476,166 km (0.058 R)
• M21: 33,786,529 km (0.079 R)
• M22: 36,215,550 km (0.111 R)
• M23: 39,280,960 km (0.07 R)
• M24: 44,055,227 km (0.044 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.2

Radius: 7.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.32 AU - 8.6 AU

Year: 17297 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,892,042 km

• M1: 133,292 km (0.072 R)
• M2: 555,756 km (0.082 R)
• M3: 1,199,476 km (0.109 R)
• M4: 1,695,841 km (0.075 R)
• M5: 2,034,531 km (0.082 R)
• M6: 2,658,055 km (0.103 R)
• M7: 3,186,883 km (0.058 R)
• M8: 4,336,393 km (0.117 R)
• M9: 7,341,665 km (0.058 R)
• M10: 8,470,231 km (0.103 R)
• M11: 9,610,915 km (0.107 R)
• M12: 10,064,047 km (0.062 R)
• M13: 11,734,457 km (0.108 R)
• M14: 20,110,442 km (0.101 R)
• M15: 24,553,499 km (0.083 R)
• M16: 27,853,777 km (0.066 R)
• M17: 33,569,463 km (0.083 R)
• M18: 35,082,047 km (0.046 R)
• M19: 36,035,135 km (0.108 R)
• M20: 40,668,630 km (0.097 R)
• M21: 42,789,629 km (0.077 R)
• M22: 45,684,048 km (0.075 R)
• M23: 49,445,238 km (0.113 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: 364 - 10,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit