🌌 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: 513.7

Radius: 14

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 10.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,452,310 km

• M1: 174,132 km (0.073 R)
• M2: 627,563 km (0.09 R)
• M3: 1,064,987 km (0.107 R)
• M4: 1,515,127 km (0.057 R)
• M5: 2,416,754 km (0.105 R)
• M6: 2,912,671 km (0.106 R)
• M7: 3,406,044 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.58 AU - 0.62 AU

Year: 321 Days

Day: 5.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,452,310 km

• M1: 175,329 km (0.076 R)
• M2: 757,863 km (0.113 R)
• M3: 1,349,672 km (0.071 R)
• M4: 1,878,500 km (0.083 R)
• M5: 2,317,570 km (0.056 R)
• M6: 2,872,130 km (0.114 R)
• M7: 3,568,358 km (0.075 R)
• M8: 4,015,207 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.3

Radius: 11.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.78 AU - 0.94 AU

Year: 551 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 102.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,452,310 km

• M1: 144,362 km (0.091 R)
• M2: 683,363 km (0.101 R)
• M3: 1,067,381 km (0.094 R)
• M4: 1,443,919 km (0.056 R)
• M5: 1,935,048 km (0.104 R)
• M6: 2,326,247 km (0.103 R)
• M7: 2,708,320 km (0.045 R)
• M8: 3,201,544 km (0.06 R)
• M9: 3,728,428 km (0.119 R)
• M10: 4,269,822 km (0.113 R)
• M11: 4,725,198 km (0.103 R)
• M12: 5,579,103 km (0.088 R)
• M13: 6,124,537 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 13.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.19 AU - 1.61 AU

Year: 1143 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,452,310 km

• M1: 170,392 km (0.091 R)
• M2: 651,798 km (0.12 R)
• M3: 1,343,838 km (0.116 R)
• M4: 2,280,320 km (0.1 R)
• M5: 2,769,505 km (0.069 R)
• M6: 3,303,719 km (0.09 R)
• M7: 4,152,986 km (0.112 R)
• M8: 5,074,809 km (0.098 R)
• M9: 5,530,484 km (0.088 R)
• M10: 5,975,388 km (0.085 R)
• M11: 6,484,469 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 11.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.27 AU - 1.83 AU

Year: 1332 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,452,310 km

• M1: 145,708 km (0.061 R)
• M2: 585,975 km (0.102 R)
• M3: 1,052,421 km (0.069 R)
• M4: 1,470,098 km (0.1 R)
• M5: 1,989,352 km (0.049 R)
• M6: 2,357,812 km (0.085 R)
• M7: 3,767,174 km (0.104 R)
• M8: 4,141,617 km (0.117 R)
• M9: 4,673,288 km (0.114 R)
• M10: 5,896,699 km (0.103 R)
• M11: 7,374,577 km (0.053 R)
• M12: 8,847,816 km (0.115 R)
• M13: 9,329,073 km (0.071 R)
• M14: 9,954,990 km (0.118 R)
• M15: 10,575,373 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.3

Radius: 13.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.34 AU - 1.98 AU

Year: 1476 Days

Day: 12.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,452,310 km

• M1: 165,754 km (0.101 R)
• M2: 598,840 km (0.047 R)
• M3: 1,019,061 km (0.101 R)
• M4: 1,490,294 km (0.107 R)
• M5: 2,452,507 km (0.113 R)
• M6: 3,647,495 km (0.12 R)
• M7: 4,213,274 km (0.092 R)
• M8: 4,714,577 km (0.052 R)
• M9: 5,274,223 km (0.094 R)
• M10: 5,797,665 km (0.066 R)
• M11: 6,703,181 km (0.042 R)
• M12: 8,531,866 km (0.034 R)
• M13: 8,955,826 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 13.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.55 AU - 4.91 AU

Year: 6005 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,452,310 km

• M1: 167,250 km (0.105 R)
• M2: 696,228 km (0.055 R)
• M3: 1,446,911 km (0.1 R)
• M4: 3,031,601 km (0.099 R)
• M5: 3,847,358 km (0.106 R)
• M6: 5,211,391 km (0.097 R)
• M7: 6,356,862 km (0.118 R)
• M8: 7,132,378 km (0.034 R)
• M9: 10,689,815 km (0.119 R)
• M10: 12,155,575 km (0.046 R)
• M11: 14,114,260 km (0.113 R)
• M12: 14,906,381 km (0.06 R)
• M13: 16,732,821 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.2

Radius: 8.9

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.43 AU - 4.61 AU

Year: 6633 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,452,310 km

• M1: 114,592 km (0.11 R)
• M2: 407,804 km (0.119 R)
• M3: 809,474 km (0.057 R)
• M4: 1,093,261 km (0.104 R)
• M5: 1,494,184 km (0.116 R)
• M6: 1,916,199 km (0.086 R)
• M7: 2,961,140 km (0.097 R)
• M8: 4,166,002 km (0.046 R)
• M9: 6,561,811 km (0.057 R)
• M10: 7,659,261 km (0.106 R)
• M11: 9,439,476 km (0.106 R)
• M12: 9,981,918 km (0.066 R)
• M13: 10,932,014 km (0.034 R)
• M14: 12,202,848 km (0.061 R)
• M15: 16,154,326 km (0.104 R)
• M16: 17,394,642 km (0.085 R)
• M17: 21,883,476 km (0.109 R)
• M18: 22,673,203 km (0.08 R)
• M19: 23,976,200 km (0.091 R)
• M20: 26,552,575 km (0.119 R)
• M21: 27,541,716 km (0.101 R)
• M22: 29,403,013 km (0.111 R)
• M23: 30,073,810 km (0.106 R)
• M24: 30,754,629 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.6

Radius: 5

Gravity: 37.66 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.99 AU - 11.29 AU

Year: 20660 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,452,310 km

• M1: 274,662 km (0.065 R)
• M2: 636,240 km (0.071 R)
• M3: 806,482 km (0.101 R)
• M4: 982,110 km (0.066 R)
• M5: 1,140,983 km (0.039 R)
• M6: 1,651,710 km (0.115 R)
• M7: 2,020,170 km (0.101 R)
• M8: 2,191,010 km (0.076 R)
• M9: 4,953,784 km (0.094 R)
• M10: 5,346,030 km (0.044 R)
• M11: 6,554,481 km (0.082 R)
• M12: 7,027,061 km (0.11 R)
• M13: 7,371,136 km (0.063 R)
• M14: 10,288,294 km (0.096 R)
• M15: 12,420,812 km (0.087 R)
• M16: 15,643,749 km (0.067 R)
• M17: 16,744,190 km (0.102 R)
• M18: 19,671,073 km (0.059 R)
• M19: 27,466,319 km (0.104 R)
• M20: 35,211,599 km (0.119 R)
• M21: 36,654,021 km (0.116 R)
• M22: 39,656,002 km (0.109 R)
• M23: 42,012,168 km (0.077 R)
• M24: 42,494,322 km (0.098 R)
• M25: 49,996,506 km (0.105 R)
• M26: 67,993,429 km (0.081 R)
• M27: 68,214,385 km (0.092 R)
• M28: 72,736,430 km (0.098 R)
• M29: 73,897,309 km (0.103 R)
• M30: 76,973,340 km (0.199 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 152 - 12,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit