🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 9.7

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,688,917 km

• M1: 120,576 km (0.114 R)
• M2: 473,627 km (0.082 R)
• M3: 786,137 km (0.09 R)
• M4: 1,109,268 km (0.076 R)
• M5: 1,411,905 km (0.108 R)
• M6: 1,987,258 km (0.111 R)
• M7: 2,416,454 km (0.1 R)
• M8: 2,794,488 km (0.114 R)
• M9: 3,692,973 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 14.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.57 AU - 0.69 AU

Year: 345 Days

Day: 13.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,688,917 km

• M1: 176,077 km (0.092 R)
• M2: 724,802 km (0.075 R)
• M3: 1,190,799 km (0.1 R)
• M4: 1,785,451 km (0.079 R)
• M5: 2,474,648 km (0.106 R)
• M6: 2,959,644 km (0.091 R)
• M7: 3,795,747 km (0.106 R)
• M8: 4,570,963 km (0.104 R)
• M9: 5,019,457 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 12.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.82 AU - 0.86 AU

Year: 531 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,688,917 km

• M1: 156,629 km (0.055 R)
• M2: 643,121 km (0.08 R)
• M3: 1,149,061 km (0.091 R)
• M4: 1,726,210 km (0.102 R)
• M5: 2,330,286 km (0.037 R)
• M6: 2,776,985 km (0.036 R)
• M7: 3,245,526 km (0.116 R)
• M8: 3,872,490 km (0.05 R)
• M9: 4,460,410 km (0.114 R)
• M10: 4,884,969 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 12.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.8 AU - 2.58 AU

Year: 2237 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,688,917 km

• M1: 157,377 km (0.117 R)
• M2: 721,062 km (0.101 R)
• M3: 1,213,837 km (0.109 R)
• M4: 2,879,609 km (0.073 R)
• M5: 3,331,096 km (0.105 R)
• M6: 4,900,677 km (0.119 R)
• M7: 5,485,455 km (0.119 R)
• M8: 7,681,103 km (0.085 R)
• M9: 11,516,942 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 12.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.93 AU - 2.67 AU

Year: 2408 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,688,917 km

• M1: 150,495 km (0.085 R)
• M2: 545,733 km (0.101 R)
• M3: 932,892 km (0.046 R)
• M4: 1,488,948 km (0.076 R)
• M5: 2,015,831 km (0.054 R)
• M6: 2,907,135 km (0.091 R)
• M7: 3,451,223 km (0.117 R)
• M8: 4,422,263 km (0.101 R)
• M9: 5,185,960 km (0.106 R)
• M10: 5,921,832 km (0.061 R)
• M11: 6,676,703 km (0.093 R)
• M12: 7,128,937 km (0.115 R)
• M13: 8,236,111 km (0.091 R)
• M14: 8,935,481 km (0.068 R)
• M15: 12,098,728 km (0.108 R)
• M16: 13,041,643 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 11.1

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.98 AU - 2.78 AU

Year: 2534 Days

Day: 11.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 164.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,688,917 km

• M1: 138,528 km (0.109 R)
• M2: 489,035 km (0.11 R)
• M3: 853,755 km (0.08 R)
• M4: 1,238,222 km (0.032 R)
• M5: 1,997,281 km (0.116 R)
• M6: 3,143,500 km (0.028 R)
• M7: 3,512,259 km (0.119 R)
• M8: 4,552,263 km (0.037 R)
• M9: 6,021,314 km (0.07 R)
• M10: 6,454,251 km (0.108 R)
• M11: 8,431,486 km (0.107 R)
• M12: 8,802,339 km (0.082 R)
• M13: 10,130,319 km (0.071 R)
• M14: 10,511,195 km (0.097 R)
• M15: 12,431,134 km (0.035 R)
• M16: 13,912,004 km (0.096 R)
• M17: 14,526,552 km (0.105 R)
• M18: 15,060,616 km (0.042 R)
• M19: 15,457,200 km (0.064 R)
• M20: 16,014,003 km (0.08 R)
• M21: 17,221,258 km (0.099 R)
• M22: 19,639,508 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.4

Radius: 9.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.03 AU - 3.25 AU

Year: 3841 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,688,917 km

• M1: 123,119 km (0.079 R)
• M2: 579,093 km (0.093 R)
• M3: 952,938 km (0.091 R)
• M4: 1,511,387 km (0.078 R)
• M5: 2,291,241 km (0.109 R)
• M6: 2,772,049 km (0.116 R)
• M7: 3,319,128 km (0.059 R)
• M8: 3,811,455 km (0.057 R)
• M9: 4,284,483 km (0.113 R)
• M10: 5,998,875 km (0.11 R)
• M11: 6,700,937 km (0.099 R)
• M12: 7,359,168 km (0.116 R)
• M13: 7,855,384 km (0.106 R)
• M14: 8,841,384 km (0.053 R)
• M15: 9,175,286 km (0.078 R)
• M16: 13,967,504 km (0.115 R)
• M17: 16,059,182 km (0.078 R)
• M18: 16,445,593 km (0.073 R)
• M19: 18,471,597 km (0.117 R)
• M20: 19,890,383 km (0.067 R)
• M21: 20,658,718 km (0.093 R)
• M22: 23,222,975 km (0.114 R)
• M23: 24,074,935 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.5

Radius: 7.4

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.29 AU - 6.39 AU

Year: 9742 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,688,917 km

• M1: 94,396 km (0.104 R)
• M2: 328,068 km (0.069 R)
• M3: 616,942 km (0.111 R)
• M4: 932,294 km (0.113 R)
• M5: 2,154,808 km (0.079 R)
• M6: 2,785,662 km (0.094 R)
• M7: 3,610,096 km (0.05 R)
• M8: 5,187,007 km (0.085 R)
• M9: 5,420,529 km (0.084 R)
• M10: 5,696,089 km (0.061 R)
• M11: 5,981,072 km (0.045 R)
• M12: 8,661,567 km (0.064 R)
• M13: 9,328,923 km (0.114 R)
• M14: 10,184,922 km (0.109 R)
• M15: 10,499,227 km (0.088 R)
• M16: 14,136,999 km (0.088 R)
• M17: 16,166,443 km (0.097 R)
• M18: 19,643,248 km (0.109 R)
• M19: 20,048,957 km (0.064 R)
• M20: 21,045,129 km (0.115 R)
• M21: 21,641,426 km (0.077 R)
• M22: 23,954,658 km (0.087 R)
• M23: 32,323,163 km (0.071 R)
• M24: 35,815,226 km (0.037 R)
• M25: 41,778,945 km (0.116 R)
• M26: 45,487,327 km (0.047 R)
• M27: 46,197,468 km (0.058 R)
• M28: 48,371,873 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.5

Radius: 5.7

Gravity: 24.92 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.61 AU - 8.83 AU

Year: 17774 Days

Day: 18.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,688,917 km

• M1: 71,059 km (0.117 R)
• M2: 375,191 km (0.087 R)
• M3: 720,314 km (0.057 R)
• M4: 1,361,490 km (0.079 R)
• M5: 1,632,711 km (0.072 R)
• M6: 1,939,536 km (0.072 R)
• M7: 2,644,741 km (0.049 R)
• M8: 2,965,030 km (0.076 R)
• M9: 3,803,376 km (0.073 R)
• M10: 3,988,429 km (0.09 R)
• M11: 4,614,496 km (0.101 R)
• M12: 5,304,142 km (0.108 R)
• M13: 5,813,972 km (0.06 R)
• M14: 7,396,568 km (0.118 R)
• M15: 9,638,292 km (0.076 R)
• M16: 10,277,224 km (0.052 R)
• M17: 13,327,824 km (0.057 R)
• M18: 13,973,788 km (0.104 R)
• M19: 14,341,649 km (0.119 R)
• M20: 15,719,295 km (0.116 R)
• M21: 17,775,817 km (0.104 R)
• M22: 18,034,023 km (0.11 R)
• M23: 21,721,012 km (0.09 R)
• M24: 25,009,473 km (0.056 R)
• M25: 25,990,984 km (0.1 R)
• M26: 30,418,932 km (0.114 R)
• M27: 30,788,439 km (0.106 R)
• M28: 36,006,711 km (0.088 R)
• M29: 36,282,121 km (0.053 R)
• M30: 36,976,704 km (0.117 R)
• M31: 56,607,685 km (0.084 R)
• M32: 58,675,875 km (0.059 R)
• M33: 62,564,373 km (0.109 R)
• M34: 63,362,178 km (0.105 R)
• M35: 68,713,743 km (0.025 R)
• M36: 69,137,554 km (0.107 R)
• M37: 71,499,106 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.2

Radius: 4.7

Gravity: 17.53 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.14 AU - 10.56 AU

Year: 21339 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 136.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,688,917 km

• M1: 58,493 km (0.114 R)
• M2: 258,505 km (0.055 R)
• M3: 487,689 km (0.063 R)
• M4: 640,578 km (0.075 R)
• M5: 1,023,549 km (0.117 R)
• M6: 1,198,728 km (0.108 R)
• M7: 1,577,809 km (0.053 R)
• M8: 2,013,587 km (0.112 R)
• M9: 2,374,417 km (0.105 R)
• M10: 4,418,224 km (0.076 R)
• M11: 4,715,474 km (0.106 R)
• M12: 5,025,890 km (0.045 R)
• M13: 5,725,709 km (0.101 R)
• M14: 8,561,187 km (0.114 R)
• M15: 10,508,203 km (0.097 R)
• M16: 12,996,614 km (0.098 R)
• M17: 13,606,226 km (0.033 R)
• M18: 16,862,971 km (0.086 R)
• M19: 17,424,861 km (0.087 R)
• M20: 19,185,478 km (0.098 R)
• M21: 20,422,802 km (0.103 R)
• M22: 21,995,824 km (0.101 R)
• M23: 23,251,847 km (0.084 R)
• M24: 28,191,719 km (0.113 R)
• M25: 35,717,988 km (0.073 R)
• M26: 35,980,831 km (0.117 R)
• M27: 38,542,545 km (0.076 R)
• M28: 39,938,443 km (0.032 R)
• M29: 40,363,749 km (0.116 R)
• M30: 40,935,513 km (0.098 R)
• M31: 41,367,701 km (0.078 R)
• M32: 44,783,768 km (0.107 R)
• M33: 45,242,734 km (0.055 R)
• M34: 52,678,646 km (0.119 R)
• M35: 53,019,281 km (0.1 R)
• M36: 53,190,121 km (0.098 R)
• M37: 63,546,782 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,591 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit