🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 12.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.6 AU - 3.22 AU

Year: 3205 Days

Day: 10 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,131,742 km

• M1: 168,447 km (0.1 R)
• M2: 954,434 km (0.075 R)
• M3: 3,123,454 km (0.098 R)
• M4: 4,013,112 km (0.076 R)
• M5: 7,106,198 km (0.031 R)
• M6: 8,117,031 km (0.062 R)
• M7: 8,979,014 km (0.118 R)
• M8: 9,432,445 km (0.074 R)
• M9: 11,161,198 km (0.108 R)
• M10: 11,726,977 km (0.119 R)
• M11: 15,984,532 km (0.098 R)
• M12: 16,599,978 km (0.106 R)
• M13: 17,823,689 km (0.063 R)
• M14: 18,935,949 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 12

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.7 AU - 4.12 AU

Year: 4066 Days

Day: 5.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,131,742 km

• M1: 153,487 km (0.095 R)
• M2: 571,314 km (0.076 R)
• M3: 1,249,741 km (0.098 R)
• M4: 1,927,718 km (0.039 R)
• M5: 2,510,701 km (0.066 R)
• M6: 3,142,902 km (0.102 R)
• M7: 6,351,926 km (0.102 R)
• M8: 8,195,121 km (0.059 R)
• M9: 9,420,028 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.9

Radius: 12.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.07 AU - 3.91 AU

Year: 4210 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,131,742 km

• M1: 160,519 km (0.118 R)
• M2: 580,589 km (0.113 R)
• M3: 1,138,889 km (0.096 R)
• M4: 1,567,337 km (0.119 R)
• M5: 2,187,869 km (0.085 R)
• M6: 3,091,440 km (0.104 R)
• M7: 3,560,429 km (0.114 R)
• M8: 4,055,149 km (0.093 R)
• M9: 4,643,069 km (0.073 R)
• M10: 5,631,163 km (0.104 R)
• M11: 6,075,319 km (0.107 R)
• M12: 7,257,142 km (0.106 R)
• M13: 8,878,484 km (0.079 R)
• M14: 13,895,997 km (0.085 R)
• M15: 15,342,458 km (0.102 R)
• M16: 16,887,206 km (0.093 R)
• M17: 17,463,158 km (0.115 R)
• M18: 18,899,447 km (0.039 R)
• M19: 19,395,214 km (0.085 R)
• M20: 20,155,321 km (0.11 R)
• M21: 22,279,312 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 11.1

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.86 AU - 4.56 AU

Year: 5577 Days

Day: 13.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,131,742 km

• M1: 138,079 km (0.088 R)
• M2: 633,248 km (0.1 R)
• M3: 1,418,337 km (0.081 R)
• M4: 1,789,191 km (0.103 R)
• M5: 2,337,467 km (0.115 R)
• M6: 3,132,729 km (0.076 R)
• M7: 4,370,502 km (0.062 R)
• M8: 4,920,872 km (0.118 R)
• M9: 6,192,305 km (0.112 R)
• M10: 8,672,637 km (0.082 R)
• M11: 10,609,032 km (0.102 R)
• M12: 11,123,050 km (0.091 R)
• M13: 12,713,874 km (0.108 R)
• M14: 13,563,740 km (0.091 R)
• M15: 16,157,468 km (0.078 R)
• M16: 16,964,548 km (0.059 R)
• M17: 17,668,257 km (0.037 R)
• M18: 18,192,148 km (0.052 R)
• M19: 20,607,107 km (0.108 R)
• M20: 21,556,156 km (0.053 R)
• M21: 22,918,095 km (0.115 R)
• M22: 23,698,995 km (0.086 R)
• M23: 24,822,027 km (0.093 R)
• M24: 29,762,796 km (0.063 R)
• M25: 30,692,397 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.6

Radius: 14.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 4.05 AU - 4.39 AU

Year: 5597 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,131,742 km

• M1: 184,155 km (0.041 R)
• M2: 743,202 km (0.082 R)
• M3: 1,937,442 km (0.081 R)
• M4: 2,583,256 km (0.07 R)
• M5: 3,435,964 km (0.094 R)
• M6: 4,187,394 km (0.088 R)
• M7: 4,821,240 km (0.097 R)
• M8: 5,956,090 km (0.049 R)
• M9: 6,621,351 km (0.069 R)
• M10: 7,373,081 km (0.089 R)
• M11: 9,614,057 km (0.112 R)
• M12: 10,157,995 km (0.096 R)
• M13: 11,357,470 km (0.098 R)
• M14: 12,810,963 km (0.106 R)
• M15: 14,502,466 km (0.085 R)
• M16: 16,788,621 km (0.092 R)
• M17: 20,173,871 km (0.075 R)
• M18: 20,992,172 km (0.116 R)
• M19: 22,457,782 km (0.037 R)
• M20: 25,938,176 km (0.077 R)
• M21: 28,264,573 km (0.117 R)
• M22: 29,289,618 km (0.106 R)
• M23: 35,214,890 km (0.113 R)
• M24: 36,510,856 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 10.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.38 AU - 5.22 AU

Year: 5757 Days

Day: 9.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,131,742 km

• M1: 134,339 km (0.102 R)
• M2: 572,062 km (0.074 R)
• M3: 960,718 km (0.11 R)
• M4: 1,335,311 km (0.116 R)
• M5: 2,136,407 km (0.11 R)
• M6: 2,738,239 km (0.093 R)
• M7: 3,155,318 km (0.058 R)
• M8: 3,916,023 km (0.084 R)
• M9: 4,471,929 km (0.025 R)
• M10: 5,349,171 km (0.113 R)
• M11: 5,742,314 km (0.087 R)
• M12: 10,075,417 km (0.069 R)
• M13: 11,951,673 km (0.088 R)
• M14: 12,333,896 km (0.088 R)
• M15: 13,022,345 km (0.048 R)
• M16: 17,703,711 km (0.093 R)
• M17: 18,707,363 km (0.085 R)
• M18: 19,419,150 km (0.046 R)
• M19: 20,148,888 km (0.081 R)
• M20: 20,691,031 km (0.085 R)
• M21: 21,034,807 km (0.105 R)
• M22: 23,698,397 km (0.099 R)
• M23: 26,417,787 km (0.109 R)
• M24: 26,822,599 km (0.104 R)
• M25: 28,061,718 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.9

Radius: 12.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.41 AU - 4.79 AU

Year: 6370 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,131,742 km

• M1: 153,039 km (0.098 R)
• M2: 537,655 km (0.102 R)
• M3: 978,220 km (0.06 R)
• M4: 1,462,918 km (0.054 R)
• M5: 2,092,575 km (0.087 R)
• M6: 2,539,125 km (0.118 R)
• M7: 2,972,360 km (0.109 R)
• M8: 3,966,737 km (0.053 R)
• M9: 4,402,067 km (0.088 R)
• M10: 4,842,483 km (0.078 R)
• M11: 5,812,476 km (0.118 R)
• M12: 6,215,941 km (0.039 R)
• M13: 6,941,790 km (0.109 R)
• M14: 8,097,434 km (0.056 R)
• M15: 8,602,177 km (0.055 R)
• M16: 9,589,074 km (0.074 R)
• M17: 10,154,255 km (0.113 R)
• M18: 10,695,799 km (0.113 R)
• M19: 11,544,019 km (0.041 R)
• M20: 13,970,646 km (0.057 R)
• M21: 15,806,062 km (0.085 R)
• M22: 17,284,388 km (0.107 R)
• M23: 18,585,142 km (0.1 R)
• M24: 23,653,667 km (0.081 R)
• M25: 28,763,931 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.1

Radius: 5.1

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.55 AU - 6.97 AU

Year: 11348 Days

Day: 20.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,131,742 km

• M1: 63,429 km (0.098 R)
• M2: 481,705 km (0.092 R)
• M3: 686,804 km (0.12 R)
• M4: 939,475 km (0.09 R)
• M5: 1,328,429 km (0.09 R)
• M6: 2,746,019 km (0.113 R)
• M7: 4,674,485 km (0.113 R)
• M8: 5,245,051 km (0.083 R)
• M9: 6,040,014 km (0.052 R)
• M10: 7,112,631 km (0.111 R)
• M11: 8,578,690 km (0.097 R)
• M12: 10,443,128 km (0.109 R)
• M13: 10,975,397 km (0.069 R)
• M14: 13,658,435 km (0.114 R)
• M15: 18,226,705 km (0.108 R)
• M16: 18,532,334 km (0.092 R)
• M17: 19,390,577 km (0.074 R)
• M18: 20,112,387 km (0.026 R)
• M19: 20,356,829 km (0.05 R)
• M20: 23,447,521 km (0.109 R)
• M21: 23,718,294 km (0.115 R)
• M22: 24,358,423 km (0.1 R)
• M23: 25,864,724 km (0.09 R)
• M24: 28,035,688 km (0.086 R)
• M25: 31,296,473 km (0.102 R)
• M26: 32,736,203 km (0.113 R)
• M27: 33,301,384 km (0.114 R)
• M28: 37,196,463 km (0.092 R)
• M29: 41,647,898 km (0.096 R)
• M30: 44,758,785 km (0.106 R)
• M31: 45,315,140 km (0.112 R)
• M32: 49,191,819 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.6

Radius: 6.1

Gravity: 18.56 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.14 AU - 7.66 AU

Year: 11703 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,131,742 km

• M1: 75,996 km (0.113 R)
• M2: 270,473 km (0.095 R)
• M3: 576,550 km (0.041 R)
• M4: 1,196,484 km (0.051 R)
• M5: 1,603,091 km (0.112 R)
• M6: 1,888,673 km (0.051 R)
• M7: 2,819,621 km (0.105 R)
• M8: 3,213,213 km (0.119 R)
• M9: 3,885,356 km (0.074 R)
• M10: 4,678,225 km (0.061 R)
• M11: 5,030,528 km (0.091 R)
• M12: 6,308,093 km (0.049 R)
• M13: 6,540,419 km (0.118 R)
• M14: 6,899,454 km (0.11 R)
• M15: 8,329,460 km (0.054 R)
• M16: 8,799,197 km (0.098 R)
• M17: 9,236,921 km (0.054 R)
• M18: 9,740,168 km (0.113 R)
• M19: 10,208,559 km (0.087 R)
• M20: 11,134,121 km (0.114 R)
• M21: 12,173,826 km (0.033 R)
• M22: 14,780,868 km (0.047 R)
• M23: 15,329,593 km (0.066 R)
• M24: 15,538,880 km (0.12 R)
• M25: 17,737,820 km (0.102 R)
• M26: 22,471,695 km (0.101 R)
• M27: 22,741,868 km (0.054 R)
• M28: 29,141,964 km (0.088 R)
• M29: 29,355,889 km (0.083 R)
• M30: 29,571,011 km (0.057 R)
• M31: 30,994,435 km (0.1 R)
• M32: 33,039,737 km (0.057 R)
• M33: 33,741,201 km (0.078 R)
• M34: 35,416,099 km (0.094 R)
• M35: 36,150,625 km (0.09 R)
• M36: 46,498,609 km (0.109 R)
• M37: 49,324,812 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.5

Radius: 7.7

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.17 AU - 12.03 AU

Year: 20725 Days

Day: 22.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,131,742 km

• M1: 95,743 km (0.094 R)
• M2: 429,346 km (0.05 R)
• M3: 730,786 km (0.033 R)
• M4: 1,403,378 km (0.115 R)
• M5: 2,033,484 km (0.107 R)
• M6: 3,903,756 km (0.117 R)
• M7: 5,641,635 km (0.112 R)
• M8: 6,178,093 km (0.062 R)
• M9: 6,747,911 km (0.114 R)
• M10: 7,115,623 km (0.068 R)
• M11: 10,254,635 km (0.111 R)
• M12: 11,694,963 km (0.114 R)
• M13: 12,226,185 km (0.104 R)
• M14: 12,497,705 km (0.097 R)
• M15: 16,569,759 km (0.073 R)
• M16: 18,723,370 km (0.106 R)
• M17: 20,575,542 km (0.095 R)
• M18: 27,319,713 km (0.06 R)
• M19: 32,595,282 km (0.031 R)
• M20: 33,779,349 km (0.086 R)
• M21: 37,933,382 km (0.115 R)
• M22: 45,106,152 km (0.116 R)
• M23: 55,695,287 km (0.082 R)
• M24: 61,066,150 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 11,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit