🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.6

Radius: 10

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,342,463 km

• M1: 127,457 km (0.11 R)
• M2: 499,657 km (0.079 R)
• M3: 827,276 km (0.072 R)
• M4: 1,139,936 km (0.099 R)
• M5: 1,475,484 km (0.098 R)
• M6: 2,426,178 km (0.095 R)
• M7: 2,870,334 km (0.12 R)
• M8: 3,225,928 km (0.114 R)
• M9: 3,589,451 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.9

Radius: 8.8

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.85 AU - 1.21 AU

Year: 735 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,342,463 km

• M1: 109,506 km (0.084 R)
• M2: 527,632 km (0.052 R)
• M3: 947,553 km (0.115 R)
• M4: 1,297,462 km (0.113 R)
• M5: 1,603,390 km (0.102 R)
• M6: 2,167,524 km (0.087 R)
• M7: 2,458,043 km (0.079 R)
• M8: 2,805,858 km (0.083 R)
• M9: 3,324,513 km (0.088 R)
• M10: 4,325,473 km (0.114 R)
• M11: 5,034,118 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 10.4

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.03 AU - 1.07 AU

Year: 756 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,342,463 km

• M1: 129,402 km (0.091 R)
• M2: 851,361 km (0.043 R)
• M3: 1,237,623 km (0.098 R)
• M4: 1,733,690 km (0.118 R)
• M5: 2,489,159 km (0.099 R)
• M6: 3,035,042 km (0.101 R)
• M7: 4,690,791 km (0.063 R)
• M8: 5,777,320 km (0.102 R)
• M9: 6,536,978 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 11.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.09 AU - 1.63 AU

Year: 1115 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,342,463 km

• M1: 141,819 km (0.115 R)
• M2: 787,184 km (0.108 R)
• M3: 1,708,258 km (0.048 R)
• M4: 2,280,470 km (0.046 R)
• M5: 2,650,126 km (0.104 R)
• M6: 3,115,974 km (0.094 R)
• M7: 3,497,149 km (0.1 R)
• M8: 4,443,655 km (0.088 R)
• M9: 5,244,752 km (0.065 R)
• M10: 6,436,448 km (0.091 R)
• M11: 8,014,108 km (0.108 R)
• M12: 9,170,649 km (0.116 R)
• M13: 9,681,525 km (0.097 R)
• M14: 10,694,901 km (0.117 R)
• M15: 11,777,691 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.7

Radius: 11

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.07 AU - 2.27 AU

Year: 2247 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,342,463 km

• M1: 138,528 km (0.056 R)
• M2: 516,262 km (0.114 R)
• M3: 1,011,282 km (0.104 R)
• M4: 1,673,402 km (0.025 R)
• M5: 2,295,131 km (0.11 R)
• M6: 2,660,598 km (0.095 R)
• M7: 3,527,817 km (0.078 R)
• M8: 5,582,544 km (0.099 R)
• M9: 7,689,031 km (0.069 R)
• M10: 8,732,327 km (0.107 R)
• M11: 9,901,584 km (0.11 R)
• M12: 12,311,606 km (0.101 R)
• M13: 14,643,388 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.5

Radius: 10

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.62 AU - 2.78 AU

Year: 3119 Days

Day: 13.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,342,463 km

• M1: 124,316 km (0.093 R)
• M2: 495,917 km (0.103 R)
• M3: 807,529 km (0.071 R)
• M4: 2,037,972 km (0.111 R)
• M5: 3,230,416 km (0.116 R)
• M6: 4,017,301 km (0.05 R)
• M7: 4,616,889 km (0.105 R)
• M8: 5,418,734 km (0.109 R)
• M9: 6,098,656 km (0.063 R)
• M10: 6,527,703 km (0.105 R)
• M11: 8,416,975 km (0.087 R)
• M12: 8,915,734 km (0.058 R)
• M13: 9,754,679 km (0.116 R)
• M14: 10,760,425 km (0.064 R)
• M15: 11,110,484 km (0.103 R)
• M16: 12,673,932 km (0.094 R)
• M17: 13,240,908 km (0.065 R)
• M18: 15,237,740 km (0.062 R)
• M19: 16,486,882 km (0.104 R)
• M20: 17,641,479 km (0.099 R)
• M21: 18,514,532 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.7

Radius: 9

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.76 AU - 3.62 AU

Year: 4005 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,342,463 km

• M1: 112,049 km (0.117 R)
• M2: 423,811 km (0.091 R)
• M3: 717,771 km (0.036 R)
• M4: 1,010,534 km (0.089 R)
• M5: 1,314,965 km (0.071 R)
• M6: 1,646,175 km (0.091 R)
• M7: 2,803,314 km (0.069 R)
• M8: 3,653,629 km (0.026 R)
• M9: 4,160,915 km (0.113 R)
• M10: 4,454,875 km (0.088 R)
• M11: 4,884,819 km (0.065 R)
• M12: 5,856,009 km (0.052 R)
• M13: 6,461,730 km (0.119 R)
• M14: 8,675,779 km (0.099 R)
• M15: 9,007,587 km (0.097 R)
• M16: 9,424,516 km (0.118 R)
• M17: 13,628,665 km (0.058 R)
• M18: 14,229,301 km (0.11 R)
• M19: 15,376,268 km (0.045 R)
• M20: 16,027,317 km (0.091 R)
• M21: 16,696,618 km (0.092 R)
• M22: 17,617,692 km (0.109 R)
• M23: 18,210,399 km (0.073 R)
• M24: 19,124,293 km (0.091 R)
• M25: 20,260,937 km (0.062 R)
• M26: 20,845,865 km (0.062 R)
• M27: 22,254,478 km (0.104 R)
• M28: 22,877,254 km (0.104 R)
• M29: 23,440,490 km (0.077 R)
• M30: 24,013,001 km (0.053 R)
• M31: 24,448,481 km (0.07 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 12.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.14 AU - 4.72 AU

Year: 5476 Days

Day: 6.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,342,463 km

• M1: 156,779 km (0.089 R)
• M2: 573,708 km (0.091 R)
• M3: 981,362 km (0.089 R)
• M4: 1,479,224 km (0.091 R)
• M5: 2,130,872 km (0.115 R)
• M6: 2,615,868 km (0.088 R)
• M7: 3,682,202 km (0.115 R)
• M8: 4,338,787 km (0.098 R)
• M9: 4,784,738 km (0.098 R)
• M10: 5,288,734 km (0.11 R)
• M11: 5,857,355 km (0.065 R)
• M12: 6,884,943 km (0.119 R)
• M13: 7,776,397 km (0.077 R)
• M14: 8,977,518 km (0.118 R)
• M15: 9,956,636 km (0.094 R)
• M16: 12,321,479 km (0.108 R)
• M17: 13,478,469 km (0.119 R)
• M18: 15,319,720 km (0.111 R)
• M19: 16,776,803 km (0.081 R)
• M20: 17,569,971 km (0.084 R)
• M21: 24,145,396 km (0.112 R)
• M22: 27,097,560 km (0.095 R)
• M23: 28,360,166 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.9

Radius: 13.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.31 AU - 6.53 AU

Year: 8870 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,342,463 km

• M1: 164,109 km (0.079 R)
• M2: 627,713 km (0.11 R)
• M3: 1,154,447 km (0.109 R)
• M4: 1,859,801 km (0.079 R)
• M5: 3,436,113 km (0.09 R)
• M6: 4,416,279 km (0.05 R)
• M7: 4,908,456 km (0.095 R)
• M8: 6,331,730 km (0.096 R)
• M9: 6,798,774 km (0.103 R)
• M10: 7,255,497 km (0.102 R)
• M11: 9,814,069 km (0.059 R)
• M12: 10,441,333 km (0.066 R)
• M13: 11,409,830 km (0.109 R)
• M14: 13,172,392 km (0.119 R)
• M15: 13,678,481 km (0.108 R)
• M16: 14,729,706 km (0.053 R)
• M17: 15,552,943 km (0.025 R)
• M18: 17,291,419 km (0.093 R)
• M19: 20,203,492 km (0.033 R)
• M20: 21,358,088 km (0.104 R)
• M21: 21,916,387 km (0.116 R)
• M22: 25,551,316 km (0.111 R)
• M23: 26,339,697 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.4

Radius: 7.9

Gravity: 12.2 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.4 AU - 8.58 AU

Year: 14409 Days

Day: 21.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,342,463 km

• M1: 113,994 km (0.109 R)
• M2: 492,177 km (0.078 R)
• M3: 1,005,746 km (0.112 R)
• M4: 2,112,920 km (0.063 R)
• M5: 2,584,004 km (0.094 R)
• M6: 2,833,084 km (0.11 R)
• M7: 3,679,360 km (0.084 R)
• M8: 6,539,521 km (0.094 R)
• M9: 7,448,179 km (0.098 R)
• M10: 7,909,239 km (0.11 R)
• M11: 8,939,670 km (0.084 R)
• M12: 12,310,708 km (0.073 R)
• M13: 12,955,624 km (0.052 R)
• M14: 14,453,548 km (0.081 R)
• M15: 17,068,967 km (0.102 R)
• M16: 23,802,517 km (0.059 R)
• M17: 24,904,156 km (0.102 R)
• M18: 25,210,383 km (0.096 R)
• M19: 25,830,316 km (0.079 R)
• M20: 34,209,143 km (0.103 R)
• M21: 34,714,485 km (0.109 R)
• M22: 35,610,876 km (0.098 R)
• M23: 40,465,626 km (0.106 R)
• M24: 41,744,687 km (0.075 R)
• M25: 43,787,746 km (0.099 R)
• M26: 44,234,146 km (0.114 R)
• M27: 45,135,772 km (0.066 R)
• M28: 47,443,768 km (0.032 R)
• M29: 55,010,129 km (0.11 R)
• M30: 55,529,682 km (0.071 R)
• M31: 56,931,564 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 18,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit