🌌 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: 146.9

Radius: 9.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.54 AU - 0.56 AU

Year: 272 Days

Day: 11.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,297,146 km

• M1: 114,442 km (0.083 R)
• M2: 492,177 km (0.093 R)
• M3: 860,487 km (0.116 R)
• M4: 1,282,503 km (0.095 R)
• M5: 1,600,398 km (0.113 R)
• M6: 1,965,267 km (0.061 R)
• M7: 2,336,569 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 13.4

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.49 AU - 0.71 AU

Year: 310 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,297,146 km

• M1: 166,652 km (0.114 R)
• M2: 636,240 km (0.111 R)
• M3: 1,053,917 km (0.095 R)
• M4: 1,722,769 km (0.114 R)
• M5: 2,314,279 km (0.062 R)
• M6: 2,761,128 km (0.118 R)
• M7: 3,255,998 km (0.046 R)
• M8: 3,877,876 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.9

Radius: 10.9

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.64 AU - 0.8 AU

Year: 407 Days

Day: 9.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,297,146 km

• M1: 135,536 km (0.099 R)
• M2: 474,674 km (0.115 R)
• M3: 824,883 km (0.048 R)
• M4: 1,220,719 km (0.12 R)
• M5: 1,718,880 km (0.063 R)
• M6: 2,449,216 km (0.061 R)
• M7: 2,811,692 km (0.076 R)
• M8: 3,460,648 km (0.104 R)
• M9: 3,942,951 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.2

Radius: 11.8

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.16 AU

Year: 738 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,297,146 km

• M1: 146,756 km (0.044 R)
• M2: 647,908 km (0.052 R)
• M3: 1,084,435 km (0.069 R)
• M4: 1,612,515 km (0.076 R)
• M5: 2,135,360 km (0.112 R)
• M6: 3,318,081 km (0.057 R)
• M7: 3,832,249 km (0.099 R)
• M8: 4,300,789 km (0.117 R)
• M9: 4,931,494 km (0.09 R)
• M10: 5,353,958 km (0.106 R)
• M11: 6,209,060 km (0.11 R)
• M12: 6,746,864 km (0.078 R)
• M13: 8,785,135 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 8.5

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 801 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,297,146 km

• M1: 106,514 km (0.094 R)
• M2: 409,898 km (0.07 R)
• M3: 775,067 km (0.071 R)
• M4: 1,097,300 km (0.084 R)
• M5: 1,502,112 km (0.049 R)
• M6: 2,067,592 km (0.062 R)
• M7: 3,658,865 km (0.101 R)
• M8: 4,096,738 km (0.097 R)
• M9: 6,187,218 km (0.073 R)
• M10: 6,809,545 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.5

Radius: 8.2

Gravity: 12.84 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.82 AU - 2.02 AU

Year: 1774 Days

Day: 9.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 18,297,146 km

• M1: 103,522 km (0.09 R)
• M2: 411,245 km (0.074 R)
• M3: 685,757 km (0.09 R)
• M4: 1,254,827 km (0.081 R)
• M5: 1,592,320 km (0.081 R)
• M6: 1,854,116 km (0.104 R)
• M7: 2,132,817 km (0.056 R)
• M8: 2,534,487 km (0.088 R)
• M9: 2,879,460 km (0.116 R)
• M10: 3,789,613 km (0.091 R)
• M11: 4,584,277 km (0.036 R)
• M12: 6,065,446 km (0.025 R)
• M13: 6,344,595 km (0.032 R)
• M14: 7,205,681 km (0.09 R)
• M15: 7,931,081 km (0.108 R)
• M16: 8,832,408 km (0.112 R)
• M17: 9,158,531 km (0.084 R)
• M18: 9,594,459 km (0.06 R)
• M19: 11,788,462 km (0.114 R)
• M20: 12,064,470 km (0.08 R)
• M21: 12,752,919 km (0.064 R)
• M22: 15,021,721 km (0.083 R)
• M23: 16,202,796 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 10.1

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.57 AU - 2.85 AU

Year: 2975 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 18,297,146 km

• M1: 125,662 km (0.081 R)
• M2: 483,351 km (0.106 R)
• M3: 814,860 km (0.098 R)
• M4: 1,138,589 km (0.116 R)
• M5: 1,452,745 km (0.1 R)
• M6: 2,110,228 km (0.042 R)
• M7: 2,710,265 km (0.072 R)
• M8: 3,876,679 km (0.071 R)
• M9: 4,734,623 km (0.073 R)
• M10: 6,465,919 km (0.1 R)
• M11: 6,795,633 km (0.118 R)
• M12: 7,489,169 km (0.107 R)
• M13: 10,181,481 km (0.105 R)
• M14: 10,973,004 km (0.109 R)
• M15: 11,443,489 km (0.077 R)
• M16: 12,509,075 km (0.097 R)
• M17: 13,729,045 km (0.109 R)
• M18: 15,026,807 km (0.09 R)
• M19: 15,705,383 km (0.07 R)
• M20: 16,813,005 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 14,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit