🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472

Radius: 11.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.69 AU - 0.69 AU

Year: 376 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,794,540 km

• M1: 144,212 km (0.068 R)
• M2: 555,756 km (0.107 R)
• M3: 962,064 km (0.115 R)
• M4: 1,523,804 km (0.085 R)
• M5: 1,936,544 km (0.094 R)
• M6: 2,973,706 km (0.084 R)
• M7: 3,743,687 km (0.092 R)
• M8: 4,144,609 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 12.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.68 AU - 1.08 AU

Year: 542 Days

Day: 11.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,794,540 km

• M1: 160,369 km (0.097 R)
• M2: 571,165 km (0.087 R)
• M3: 1,027,139 km (0.106 R)
• M4: 1,649,616 km (0.104 R)
• M5: 2,171,712 km (0.039 R)
• M6: 2,651,772 km (0.093 R)
• M7: 3,058,080 km (0.073 R)
• M8: 3,881,167 km (0.112 R)
• M9: 4,522,792 km (0.032 R)
• M10: 4,953,185 km (0.099 R)
• M11: 5,794,374 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.5

Radius: 11.2

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.12 AU - 1.58 AU

Year: 1029 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,794,540 km

• M1: 140,173 km (0.047 R)
• M2: 601,234 km (0.083 R)
• M3: 999,763 km (0.071 R)
• M4: 1,594,265 km (0.099 R)
• M5: 2,104,393 km (0.113 R)
• M6: 3,429,980 km (0.072 R)
• M7: 3,821,178 km (0.076 R)
• M8: 4,425,554 km (0.107 R)
• M9: 5,161,127 km (0.065 R)
• M10: 5,938,437 km (0.103 R)
• M11: 6,606,990 km (0.067 R)
• M12: 7,325,060 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.3

Radius: 11.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.6 AU - 1.98 AU

Year: 1571 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,794,540 km

• M1: 138,228 km (0.027 R)
• M2: 633,397 km (0.076 R)
• M3: 1,036,713 km (0.089 R)
• M4: 1,456,485 km (0.063 R)
• M5: 1,947,764 km (0.086 R)
• M6: 2,535,385 km (0.099 R)
• M7: 3,725,885 km (0.087 R)
• M8: 4,353,597 km (0.073 R)
• M9: 4,969,641 km (0.108 R)
• M10: 5,865,433 km (0.104 R)
• M11: 6,840,512 km (0.092 R)
• M12: 7,223,184 km (0.066 R)
• M13: 8,115,834 km (0.079 R)
• M14: 8,516,008 km (0.111 R)
• M15: 9,171,696 km (0.12 R)
• M16: 9,925,071 km (0.069 R)
• M17: 10,993,050 km (0.112 R)
• M18: 11,412,672 km (0.09 R)
• M19: 11,770,510 km (0.056 R)
• M20: 12,135,978 km (0.105 R)
• M21: 12,812,758 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 11

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.37 AU - 5.21 AU

Year: 5829 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,794,540 km

• M1: 137,780 km (0.1 R)
• M2: 482,752 km (0.05 R)
• M3: 838,197 km (0.034 R)
• M4: 1,232,088 km (0.111 R)
• M5: 1,997,730 km (0.084 R)
• M6: 3,356,527 km (0.076 R)
• M7: 4,480,007 km (0.118 R)
• M8: 6,695,701 km (0.118 R)
• M9: 8,424,006 km (0.109 R)
• M10: 10,033,230 km (0.067 R)
• M11: 10,612,473 km (0.078 R)
• M12: 11,261,279 km (0.03 R)
• M13: 12,134,033 km (0.089 R)
• M14: 14,456,989 km (0.115 R)
• M15: 15,312,539 km (0.099 R)
• M16: 16,566,618 km (0.065 R)
• M17: 20,668,292 km (0.069 R)
• M18: 21,606,869 km (0.076 R)
• M19: 22,347,977 km (0.117 R)
• M20: 24,038,134 km (0.097 R)
• M21: 25,075,894 km (0.103 R)
• M22: 27,326,744 km (0.057 R)
• M23: 28,633,631 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.9

Radius: 3.7

Gravity: 31.84 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.18 AU - 8.26 AU

Year: 11428 Days

Day: 20.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,794,540 km

• M1: 46,375 km (0.093 R)
• M2: 379,829 km (0.075 R)
• M3: 902,973 km (0.066 R)
• M4: 1,044,941 km (0.103 R)
• M5: 1,862,643 km (0.047 R)
• M6: 3,453,317 km (0.053 R)
• M7: 4,121,122 km (0.074 R)
• M8: 4,962,760 km (0.111 R)
• M9: 5,150,355 km (0.079 R)
• M10: 6,017,874 km (0.067 R)
• M11: 13,047,777 km (0.107 R)
• M12: 13,405,016 km (0.094 R)
• M13: 16,090,897 km (0.042 R)
• M14: 20,043,272 km (0.058 R)
• M15: 24,959,058 km (0.096 R)
• M16: 27,401,692 km (0.116 R)
• M17: 30,516,619 km (0.059 R)
• M18: 33,304,525 km (0.084 R)
• M19: 36,726,726 km (0.091 R)
• M20: 40,753,751 km (0.059 R)
• M21: 41,772,513 km (0.116 R)
• M22: 44,930,224 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.8

Radius: 8

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.11 AU - 8.15 AU

Year: 13826 Days

Day: 21.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 61,794,540 km

• M1: 99,483 km (0.048 R)
• M2: 600,486 km (0.088 R)
• M3: 1,425,069 km (0.109 R)
• M4: 1,732,194 km (0.094 R)
• M5: 3,787,369 km (0.061 R)
• M6: 5,910,911 km (0.082 R)
• M7: 6,628,233 km (0.089 R)
• M8: 7,051,146 km (0.031 R)
• M9: 7,673,324 km (0.092 R)
• M10: 8,674,582 km (0.11 R)
• M11: 9,976,981 km (0.064 R)
• M12: 10,420,090 km (0.113 R)
• M13: 12,514,460 km (0.082 R)
• M14: 14,310,682 km (0.105 R)
• M15: 15,747,569 km (0.117 R)
• M16: 16,196,812 km (0.084 R)
• M17: 16,731,624 km (0.117 R)
• M18: 17,436,529 km (0.118 R)
• M19: 18,406,971 km (0.038 R)
• M20: 21,260,849 km (0.097 R)
• M21: 22,935,747 km (0.083 R)
• M22: 25,712,882 km (0.053 R)
• M23: 26,968,906 km (0.085 R)
• M24: 38,795,964 km (0.03 R)
• M25: 39,753,091 km (0.091 R)
• M26: 47,516,772 km (0.083 R)
• M27: 48,140,744 km (0.093 R)
• M28: 51,016,015 km (0.073 R)
• M29: 54,173,129 km (0.084 R)
• M30: 55,886,025 km (0.11 R)
• M31: 56,930,966 km (0.093 R)
• M32: 59,239,410 km (0.07 R)
• M33: 60,690,659 km (0.087 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 15,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit