🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 13.8

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.43 AU - 0.65 AU

Year: 274 Days

Day: 12.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,654,593 km

• M1: 171,589 km (0.027 R)
• M2: 678,277 km (0.032 R)
• M3: 1,199,027 km (0.059 R)
• M4: 1,640,640 km (0.064 R)
• M5: 2,385,637 km (0.111 R)
• M6: 2,861,059 km (0.104 R)
• M7: 3,295,342 km (0.095 R)
• M8: 3,854,389 km (0.109 R)
• M9: 4,374,691 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 9.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,654,593 km

• M1: 113,246 km (0.107 R)
• M2: 407,953 km (0.086 R)
• M3: 691,591 km (0.109 R)
• M4: 975,827 km (0.119 R)
• M5: 1,547,291 km (0.032 R)
• M6: 1,852,321 km (0.075 R)
• M7: 2,278,376 km (0.099 R)
• M8: 2,568,147 km (0.103 R)
• M9: 2,999,886 km (0.049 R)
• M10: 3,512,558 km (0.078 R)
• M11: 3,997,554 km (0.091 R)
• M12: 4,409,397 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 11

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.44 AU - 0.72 AU

Year: 305 Days

Day: 13.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,654,593 km

• M1: 137,331 km (0.092 R)
• M2: 572,960 km (0.091 R)
• M3: 934,388 km (0.097 R)
• M4: 1,472,941 km (0.093 R)
• M5: 2,024,957 km (0.092 R)
• M6: 2,513,244 km (0.062 R)
• M7: 3,038,931 km (0.101 R)
• M8: 3,480,394 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 11

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.43 AU - 2.35 AU

Year: 1794 Days

Day: 5.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 169.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,654,593 km

• M1: 136,882 km (0.076 R)
• M2: 509,082 km (0.047 R)
• M3: 892,351 km (0.092 R)
• M4: 1,246,599 km (0.098 R)
• M5: 1,605,784 km (0.106 R)
• M6: 2,154,359 km (0.05 R)
• M7: 2,578,768 km (0.092 R)
• M8: 2,933,315 km (0.041 R)
• M9: 5,024,693 km (0.117 R)
• M10: 5,582,693 km (0.049 R)
• M11: 6,227,460 km (0.063 R)
• M12: 6,700,638 km (0.03 R)
• M13: 7,274,346 km (0.117 R)
• M14: 8,126,904 km (0.079 R)
• M15: 8,606,216 km (0.057 R)
• M16: 9,746,002 km (0.112 R)
• M17: 10,126,130 km (0.117 R)
• M18: 11,535,193 km (0.111 R)
• M19: 12,032,755 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 9.3

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.8 AU - 4.08 AU

Year: 5398 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,654,593 km

• M1: 115,789 km (0.093 R)
• M2: 485,595 km (0.085 R)
• M3: 933,640 km (0.084 R)
• M4: 1,242,410 km (0.073 R)
• M5: 1,620,594 km (0.113 R)
• M6: 2,028,996 km (0.101 R)
• M7: 2,470,310 km (0.074 R)
• M8: 3,870,695 km (0.099 R)
• M9: 4,741,953 km (0.116 R)
• M10: 5,165,764 km (0.047 R)
• M11: 6,869,085 km (0.102 R)
• M12: 7,301,423 km (0.118 R)
• M13: 7,906,247 km (0.111 R)
• M14: 8,462,602 km (0.092 R)
• M15: 9,044,687 km (0.094 R)
• M16: 9,697,832 km (0.067 R)
• M17: 10,664,533 km (0.083 R)
• M18: 11,000,679 km (0.06 R)
• M19: 11,493,156 km (0.082 R)
• M20: 12,207,186 km (0.107 R)
• M21: 13,059,146 km (0.119 R)
• M22: 14,007,297 km (0.106 R)
• M23: 17,923,171 km (0.096 R)
• M24: 18,330,526 km (0.113 R)
• M25: 19,446,826 km (0.091 R)
• M26: 22,356,803 km (0.087 R)
• M27: 25,289,819 km (0.115 R)
• M28: 28,286,564 km (0.095 R)
• M29: 30,732,190 km (0.087 R)
• M30: 32,706,882 km (0.078 R)
• M31: 35,825,249 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.1

Radius: 13.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.71 AU - 5.67 AU

Year: 7011 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,654,593 km

• M1: 168,148 km (0.113 R)
• M2: 706,401 km (0.069 R)
• M3: 1,143,975 km (0.112 R)
• M4: 1,585,588 km (0.094 R)
• M5: 2,813,786 km (0.06 R)
• M6: 3,556,689 km (0.101 R)
• M7: 4,755,716 km (0.069 R)
• M8: 5,182,968 km (0.045 R)
• M9: 5,753,385 km (0.069 R)
• M10: 6,589,936 km (0.119 R)
• M11: 7,226,176 km (0.048 R)
• M12: 7,684,843 km (0.05 R)
• M13: 8,390,197 km (0.096 R)
• M14: 12,484,391 km (0.062 R)
• M15: 13,513,026 km (0.087 R)
• M16: 15,218,292 km (0.076 R)
• M17: 16,093,141 km (0.104 R)
• M18: 17,373,848 km (0.102 R)
• M19: 18,655,752 km (0.113 R)
• M20: 23,873,127 km (0.116 R)
• M21: 27,193,303 km (0.083 R)
• M22: 29,096,187 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.3

Radius: 6.7

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.61 AU - 7.01 AU

Year: 9667 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,654,593 km

• M1: 83,326 km (0.105 R)
• M2: 433,535 km (0.115 R)
• M3: 707,748 km (0.11 R)
• M4: 1,352,963 km (0.106 R)
• M5: 1,747,303 km (0.059 R)
• M6: 2,034,980 km (0.065 R)
• M7: 2,725,673 km (0.071 R)
• M8: 3,135,721 km (0.072 R)
• M9: 3,562,673 km (0.045 R)
• M10: 3,802,479 km (0.102 R)
• M11: 4,395,485 km (0.062 R)
• M12: 4,872,103 km (0.098 R)
• M13: 5,198,526 km (0.092 R)
• M14: 5,961,475 km (0.119 R)
• M15: 8,069,160 km (0.086 R)
• M16: 8,400,220 km (0.045 R)
• M17: 15,696,706 km (0.115 R)
• M18: 18,820,011 km (0.062 R)
• M19: 21,378,583 km (0.044 R)
• M20: 23,736,694 km (0.059 R)
• M21: 24,588,355 km (0.041 R)
• M22: 24,847,907 km (0.106 R)
• M23: 28,011,453 km (0.078 R)
• M24: 30,928,612 km (0.026 R)
• M25: 31,535,381 km (0.113 R)
• M26: 33,721,604 km (0.047 R)
• M27: 37,358,179 km (0.057 R)
• M28: 38,509,783 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 777.3

Radius: 6.8

Gravity: 16.81 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.76 AU - 7.82 AU

Year: 10889 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,654,593 km

• M1: 84,972 km (0.058 R)
• M2: 321,935 km (0.085 R)
• M3: 631,901 km (0.112 R)
• M4: 1,219,671 km (0.07 R)
• M5: 1,554,322 km (0.108 R)
• M6: 1,864,887 km (0.106 R)
• M7: 2,570,091 km (0.111 R)
• M8: 3,672,777 km (0.095 R)
• M9: 4,344,023 km (0.119 R)
• M10: 6,376,609 km (0.084 R)
• M11: 7,051,595 km (0.11 R)
• M12: 7,300,974 km (0.077 R)
• M13: 8,970,786 km (0.101 R)
• M14: 13,232,231 km (0.097 R)
• M15: 13,612,060 km (0.038 R)
• M16: 17,065,826 km (0.06 R)
• M17: 19,803,916 km (0.117 R)
• M18: 24,298,135 km (0.09 R)
• M19: 26,932,105 km (0.055 R)
• M20: 29,858,538 km (0.087 R)
• M21: 31,063,998 km (0.049 R)
• M22: 32,301,471 km (0.097 R)
• M23: 32,990,220 km (0.104 R)
• M24: 33,571,557 km (0.113 R)
• M25: 36,210,913 km (0.104 R)
• M26: 39,635,208 km (0.118 R)
• M27: 39,897,154 km (0.061 R)
• M28: 41,898,624 km (0.079 R)
• M29: 43,547,043 km (0.119 R)
• M30: 44,811,593 km (0.095 R)
• M31: 46,826,826 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.7

Radius: 6.4

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.45 AU - 6.71 AU

Year: 11651 Days

Day: 25 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,654,593 km

• M1: 79,586 km (0.113 R)
• M2: 697,724 km (0.067 R)
• M3: 992,881 km (0.09 R)
• M4: 1,940,584 km (0.03 R)
• M5: 3,679,659 km (0.071 R)
• M6: 5,557,860 km (0.101 R)
• M7: 9,759,466 km (0.103 R)
• M8: 10,494,291 km (0.09 R)
• M9: 10,731,403 km (0.081 R)
• M10: 15,268,557 km (0.039 R)
• M11: 17,619,488 km (0.105 R)
• M12: 19,125,938 km (0.111 R)
• M13: 21,696,628 km (0.086 R)
• M14: 24,240,390 km (0.12 R)
• M15: 24,906,101 km (0.061 R)
• M16: 32,347,548 km (0.095 R)
• M17: 33,974,125 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 20,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit