🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 9.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 543 Days

Day: 9.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,044,496 km

• M1: 122,521 km (0.111 R)
• M2: 440,715 km (0.079 R)
• M3: 805,285 km (0.073 R)
• M4: 1,203,964 km (0.058 R)
• M5: 1,773,632 km (0.036 R)
• M6: 2,473,750 km (0.09 R)
• M7: 3,298,035 km (0.078 R)
• M8: 3,808,313 km (0.086 R)
• M9: 4,325,323 km (0.078 R)
• M10: 4,663,863 km (0.069 R)
• M11: 5,003,600 km (0.065 R)
• M12: 5,359,793 km (0.113 R)
• M13: 5,806,043 km (0.068 R)
• M14: 6,238,231 km (0.118 R)
• M15: 6,551,489 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364

Radius: 10.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.31 AU - 1.77 AU

Year: 1215 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,044,496 km

• M1: 138,228 km (0.084 R)
• M2: 490,531 km (0.082 R)
• M3: 1,225,655 km (0.062 R)
• M4: 1,612,964 km (0.091 R)
• M5: 2,193,254 km (0.048 R)
• M6: 3,192,419 km (0.099 R)
• M7: 3,742,490 km (0.035 R)
• M8: 4,421,215 km (0.085 R)
• M9: 4,799,399 km (0.11 R)
• M10: 5,198,975 km (0.059 R)
• M11: 6,169,715 km (0.048 R)
• M12: 6,665,333 km (0.048 R)
• M13: 7,375,175 km (0.079 R)
• M14: 9,524,597 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99

Radius: 13.8

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.8 AU - 2.08 AU

Year: 1718 Days

Day: 6.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,044,496 km

• M1: 171,589 km (0.063 R)
• M2: 629,508 km (0.1 R)
• M3: 1,088,175 km (0.118 R)
• M4: 1,948,662 km (0.112 R)
• M5: 3,548,461 km (0.111 R)
• M6: 5,007,041 km (0.08 R)
• M7: 6,345,942 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 13.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.38 AU - 2.68 AU

Year: 2559 Days

Day: 12.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,044,496 km

• M1: 173,534 km (0.097 R)
• M2: 824,583 km (0.074 R)
• M3: 1,395,748 km (0.111 R)
• M4: 2,535,534 km (0.119 R)
• M5: 3,618,174 km (0.053 R)
• M6: 4,305,876 km (0.115 R)
• M7: 5,476,030 km (0.091 R)
• M8: 5,918,690 km (0.055 R)
• M9: 6,546,104 km (0.109 R)
• M10: 7,304,864 km (0.063 R)
• M11: 9,133,399 km (0.114 R)
• M12: 10,227,558 km (0.109 R)
• M13: 11,847,254 km (0.047 R)
• M14: 13,991,440 km (0.098 R)
• M15: 16,182,450 km (0.119 R)
• M16: 16,636,480 km (0.098 R)
• M17: 17,359,786 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 11.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.57 AU - 2.91 AU

Year: 2884 Days

Day: 13.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,044,496 km

• M1: 140,472 km (0.081 R)
• M2: 572,062 km (0.063 R)
• M3: 1,019,360 km (0.07 R)
• M4: 1,385,575 km (0.087 R)
• M5: 4,004,286 km (0.113 R)
• M6: 5,257,318 km (0.106 R)
• M7: 5,743,661 km (0.031 R)
• M8: 6,187,667 km (0.119 R)
• M9: 7,171,273 km (0.037 R)
• M10: 7,659,112 km (0.085 R)
• M11: 8,402,763 km (0.12 R)
• M12: 9,351,812 km (0.117 R)
• M13: 9,737,774 km (0.116 R)
• M14: 10,167,868 km (0.061 R)
• M15: 12,823,829 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.5

Radius: 12.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.73 AU - 4.41 AU

Year: 4289 Days

Day: 5.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,044,496 km

• M1: 156,629 km (0.107 R)
• M2: 1,505,703 km (0.099 R)
• M3: 2,008,800 km (0.085 R)
• M4: 8,298,343 km (0.109 R)
• M5: 12,371,146 km (0.036 R)
• M6: 13,101,931 km (0.11 R)
• M7: 14,016,572 km (0.077 R)
• M8: 15,027,705 km (0.097 R)
• M9: 18,667,122 km (0.086 R)
• M10: 21,235,717 km (0.107 R)
• M11: 21,720,564 km (0.075 R)
• M12: 23,219,534 km (0.09 R)
• M13: 23,882,702 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.51 AU - 5.01 AU

Year: 5590 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,044,496 km

• M1: 188,793 km (0.057 R)
• M2: 653,443 km (0.108 R)
• M3: 1,738,926 km (0.116 R)
• M4: 2,384,889 km (0.104 R)
• M5: 3,010,956 km (0.057 R)
• M6: 4,000,546 km (0.057 R)
• M7: 4,756,464 km (0.06 R)
• M8: 9,787,590 km (0.048 R)
• M9: 10,368,928 km (0.078 R)
• M10: 10,878,757 km (0.093 R)
• M11: 12,561,733 km (0.09 R)
• M12: 16,253,210 km (0.069 R)
• M13: 19,128,781 km (0.076 R)
• M14: 19,826,804 km (0.066 R)
• M15: 23,894,370 km (0.073 R)
• M16: 26,123,528 km (0.107 R)
• M17: 27,332,429 km (0.12 R)
• M18: 33,740,603 km (0.116 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: 310 - 12,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit