🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 9.1

Gravity: 10.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.1 AU - 1.34 AU

Year: 884 Days

Day: 9.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,420,589 km

• M1: 113,844 km (0.065 R)
• M2: 398,978 km (0.099 R)
• M3: 847,622 km (0.028 R)
• M4: 1,492,239 km (0.098 R)
• M5: 1,822,700 km (0.08 R)
• M6: 2,366,190 km (0.077 R)
• M7: 2,844,903 km (0.089 R)
• M8: 3,387,045 km (0.106 R)
• M9: 4,012,664 km (0.114 R)
• M10: 4,310,812 km (0.105 R)
• M11: 4,859,238 km (0.092 R)
• M12: 5,533,625 km (0.11 R)
• M13: 6,225,216 km (0.114 R)
• M14: 6,856,220 km (0.052 R)
• M15: 8,593,350 km (0.025 R)
• M16: 9,607,774 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 9.3

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.08 AU - 1.48 AU

Year: 950 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,420,589 km

• M1: 115,789 km (0.067 R)
• M2: 436,227 km (0.072 R)
• M3: 754,272 km (0.079 R)
• M4: 1,395,898 km (0.106 R)
• M5: 2,291,989 km (0.071 R)
• M6: 2,908,332 km (0.096 R)
• M7: 3,559,681 km (0.083 R)
• M8: 4,035,552 km (0.096 R)
• M9: 4,952,138 km (0.09 R)
• M10: 5,299,205 km (0.117 R)
• M11: 5,623,534 km (0.1 R)
• M12: 6,042,408 km (0.118 R)
• M13: 6,831,237 km (0.114 R)
• M14: 7,979,401 km (0.077 R)
• M15: 8,638,679 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 14.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.47 AU - 2.29 AU

Year: 1691 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,420,589 km

• M1: 179,218 km (0.042 R)
• M2: 667,356 km (0.098 R)
• M3: 1,159,234 km (0.104 R)
• M4: 1,643,482 km (0.1 R)
• M5: 2,142,989 km (0.09 R)
• M6: 3,689,233 km (0.044 R)
• M7: 4,261,894 km (0.081 R)
• M8: 4,752,126 km (0.034 R)
• M9: 5,646,871 km (0.105 R)
• M10: 6,852,480 km (0.101 R)
• M11: 8,666,055 km (0.042 R)
• M12: 9,207,001 km (0.119 R)
• M13: 9,684,517 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 10.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.35 AU - 2.61 AU

Year: 2562 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,420,589 km

• M1: 128,205 km (0.092 R)
• M2: 556,504 km (0.068 R)
• M3: 893,249 km (0.08 R)
• M4: 1,228,049 km (0.056 R)
• M5: 2,051,136 km (0.112 R)
• M6: 2,467,916 km (0.088 R)
• M7: 4,594,599 km (0.093 R)
• M8: 6,129,922 km (0.104 R)
• M9: 6,618,359 km (0.087 R)
• M10: 8,010,517 km (0.083 R)
• M11: 8,715,123 km (0.087 R)
• M12: 9,750,789 km (0.115 R)
• M13: 10,080,353 km (0.115 R)
• M14: 11,221,037 km (0.108 R)
• M15: 13,839,598 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 12.8

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.89 AU - 3.05 AU

Year: 3358 Days

Day: 9.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,420,589 km

• M1: 159,172 km (0.108 R)
• M2: 607,816 km (0.115 R)
• M3: 1,153,549 km (0.119 R)
• M4: 1,604,288 km (0.109 R)
• M5: 2,160,193 km (0.1 R)
• M6: 2,627,238 km (0.116 R)
• M7: 3,035,042 km (0.069 R)
• M8: 3,747,875 km (0.111 R)
• M9: 4,960,815 km (0.055 R)
• M10: 5,923,926 km (0.055 R)
• M11: 6,390,223 km (0.111 R)
• M12: 7,664,797 km (0.112 R)
• M13: 8,690,290 km (0.073 R)
• M14: 10,883,544 km (0.059 R)
• M15: 11,496,148 km (0.112 R)
• M16: 12,085,563 km (0.073 R)
• M17: 14,595,067 km (0.05 R)
• M18: 15,778,087 km (0.11 R)
• M19: 16,563,476 km (0.114 R)
• M20: 18,765,258 km (0.096 R)
• M21: 20,424,747 km (0.077 R)
• M22: 21,835,006 km (0.111 R)
• M23: 22,249,542 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 11.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.49 AU - 3.97 AU

Year: 3808 Days

Day: 12.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,420,589 km

• M1: 145,559 km (0.109 R)
• M2: 584,180 km (0.034 R)
• M3: 959,371 km (0.106 R)
• M4: 1,957,937 km (0.102 R)
• M5: 2,335,971 km (0.09 R)
• M6: 2,720,886 km (0.093 R)
• M7: 3,354,583 km (0.091 R)
• M8: 3,974,217 km (0.072 R)
• M9: 5,045,487 km (0.114 R)
• M10: 5,465,259 km (0.062 R)
• M11: 5,980,474 km (0.105 R)
• M12: 8,403,960 km (0.096 R)
• M13: 9,285,839 km (0.075 R)
• M14: 10,263,162 km (0.106 R)
• M15: 10,831,035 km (0.09 R)
• M16: 12,461,503 km (0.092 R)
• M17: 13,190,643 km (0.115 R)
• M18: 13,565,685 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 14.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.27 AU - 3.69 AU

Year: 4259 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,420,589 km

• M1: 190,737 km (0.116 R)
• M2: 851,661 km (0.06 R)
• M3: 1,513,930 km (0.108 R)
• M4: 2,138,053 km (0.101 R)
• M5: 3,731,420 km (0.079 R)
• M6: 4,696,326 km (0.063 R)
• M7: 5,524,649 km (0.09 R)
• M8: 8,180,909 km (0.098 R)
• M9: 8,713,029 km (0.086 R)
• M10: 9,496,922 km (0.109 R)
• M11: 12,043,377 km (0.042 R)
• M12: 13,498,814 km (0.054 R)
• M13: 13,992,487 km (0.116 R)
• M14: 15,386,141 km (0.073 R)
• M15: 16,254,557 km (0.112 R)
• M16: 17,676,784 km (0.109 R)
• M17: 19,304,558 km (0.055 R)
• M18: 20,702,999 km (0.117 R)
• M19: 21,964,408 km (0.114 R)
• M20: 23,135,759 km (0.06 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 9

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.64 AU - 3.66 AU

Year: 4575 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,420,589 km

• M1: 111,899 km (0.087 R)
• M2: 524,939 km (0.072 R)
• M3: 1,035,367 km (0.104 R)
• M4: 1,338,003 km (0.089 R)
• M5: 1,787,994 km (0.093 R)
• M6: 2,171,413 km (0.104 R)
• M7: 2,462,231 km (0.111 R)
• M8: 3,199,749 km (0.036 R)
• M9: 3,768,520 km (0.073 R)
• M10: 5,160,229 km (0.056 R)
• M11: 5,598,252 km (0.094 R)
• M12: 6,738,187 km (0.109 R)
• M13: 10,685,028 km (0.09 R)
• M14: 11,082,061 km (0.056 R)
• M15: 12,332,400 km (0.116 R)
• M16: 12,720,307 km (0.075 R)
• M17: 13,520,656 km (0.045 R)
• M18: 15,555,486 km (0.033 R)
• M19: 17,119,980 km (0.112 R)
• M20: 21,312,012 km (0.109 R)
• M21: 23,311,687 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 10.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.16 AU - 4.82 AU

Year: 5228 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,420,589 km

• M1: 137,331 km (0.099 R)
• M2: 920,326 km (0.118 R)
• M3: 2,366,190 km (0.096 R)
• M4: 3,575,090 km (0.096 R)
• M5: 5,156,339 km (0.075 R)
• M6: 8,091,150 km (0.099 R)
• M7: 8,586,020 km (0.107 R)
• M8: 9,933,448 km (0.118 R)
• M9: 10,280,366 km (0.06 R)
• M10: 14,650,568 km (0.072 R)
• M11: 16,627,654 km (0.091 R)
• M12: 18,514,532 km (0.034 R)
• M13: 21,033,311 km (0.108 R)
• M14: 21,751,530 km (0.11 R)
• M15: 22,784,205 km (0.03 R)
• M16: 29,947,699 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.6

Radius: 6.9

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.78 AU - 8.92 AU

Year: 17271 Days

Day: 24.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,420,589 km

• M1: 87,664 km (0.099 R)
• M2: 408,701 km (0.106 R)
• M3: 1,008,738 km (0.117 R)
• M4: 1,318,556 km (0.09 R)
• M5: 2,151,367 km (0.084 R)
• M6: 3,033,097 km (0.092 R)
• M7: 3,320,624 km (0.054 R)
• M8: 4,104,517 km (0.109 R)
• M9: 4,424,207 km (0.059 R)
• M10: 4,899,480 km (0.109 R)
• M11: 5,714,639 km (0.11 R)
• M12: 6,320,061 km (0.097 R)
• M13: 7,995,857 km (0.095 R)
• M14: 8,909,600 km (0.112 R)
• M15: 9,834,863 km (0.104 R)
• M16: 13,543,993 km (0.058 R)
• M17: 14,764,562 km (0.058 R)
• M18: 20,201,098 km (0.068 R)
• M19: 20,475,760 km (0.113 R)
• M20: 21,504,395 km (0.09 R)
• M21: 21,983,258 km (0.102 R)
• M22: 24,901,463 km (0.111 R)
• M23: 27,954,756 km (0.066 R)
• M24: 30,402,177 km (0.111 R)
• M25: 32,736,352 km (0.072 R)
• M26: 33,497,506 km (0.095 R)
• M27: 34,270,628 km (0.044 R)
• M28: 38,454,881 km (0.043 R)
• M29: 40,887,940 km (0.116 R)
• M30: 48,308,593 km (0.101 R)
• M31: 49,129,586 km (0.082 R)
• M32: 53,900,113 km (0.066 R)
• M33: 56,216,337 km (0.026 R)
• M34: 60,665,228 km (0.105 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: 262 - 11,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit