🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 8.1

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.9 AU

Year: 424 Days

Day: 8.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,376,480 km

• M1: 100,679 km (0.088 R)
• M2: 390,301 km (0.078 R)
• M3: 655,837 km (0.096 R)
• M4: 1,227,750 km (0.109 R)
• M5: 1,564,495 km (0.084 R)
• M6: 2,098,709 km (0.079 R)
• M7: 2,983,281 km (0.11 R)
• M8: 3,503,732 km (0.108 R)
• M9: 4,044,678 km (0.045 R)
• M10: 4,403,413 km (0.082 R)
• M11: 5,063,589 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 9.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.86 AU - 1.32 AU

Year: 759 Days

Day: 11.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,376,480 km

• M1: 116,088 km (0.091 R)
• M2: 403,465 km (0.101 R)
• M3: 970,292 km (0.032 R)
• M4: 1,384,827 km (0.088 R)
• M5: 3,112,982 km (0.06 R)
• M6: 3,403,202 km (0.106 R)
• M7: 3,809,959 km (0.063 R)
• M8: 4,692,736 km (0.101 R)
• M9: 5,030,677 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 13.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.41 AU - 1.67 AU

Year: 1274 Days

Day: 12.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,376,480 km

• M1: 169,195 km (0.072 R)
• M2: 592,557 km (0.12 R)
• M3: 1,030,131 km (0.12 R)
• M4: 1,773,483 km (0.059 R)
• M5: 2,352,127 km (0.116 R)
• M6: 2,941,543 km (0.056 R)
• M7: 3,850,200 km (0.111 R)
• M8: 4,537,752 km (0.107 R)
• M9: 5,613,361 km (0.044 R)
• M10: 6,897,359 km (0.057 R)
• M11: 7,914,475 km (0.075 R)
• M12: 8,446,445 km (0.102 R)
• M13: 9,165,413 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 10.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.93 AU - 2.25 AU

Year: 2015 Days

Day: 14.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,376,480 km

• M1: 128,205 km (0.086 R)
• M2: 658,829 km (0.119 R)
• M3: 1,304,493 km (0.064 R)
• M4: 1,958,386 km (0.088 R)
• M5: 2,422,738 km (0.073 R)
• M6: 2,755,742 km (0.055 R)
• M7: 3,092,487 km (0.07 R)
• M8: 4,530,572 km (0.06 R)
• M9: 5,689,506 km (0.042 R)
• M10: 7,470,918 km (0.084 R)
• M11: 7,847,156 km (0.08 R)
• M12: 9,685,116 km (0.078 R)
• M13: 10,163,380 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.9

Radius: 10.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.84 AU - 2.4 AU

Year: 2058 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,376,480 km

• M1: 127,757 km (0.096 R)
• M2: 653,593 km (0.115 R)
• M3: 1,251,237 km (0.099 R)
• M4: 1,600,248 km (0.093 R)
• M5: 2,160,343 km (0.109 R)
• M6: 2,528,503 km (0.087 R)
• M7: 3,566,114 km (0.094 R)
• M8: 4,103,470 km (0.1 R)
• M9: 4,758,110 km (0.042 R)
• M10: 5,648,666 km (0.099 R)
• M11: 6,172,259 km (0.083 R)
• M12: 6,539,073 km (0.114 R)
• M13: 6,865,046 km (0.076 R)
• M14: 7,403,449 km (0.056 R)
• M15: 9,985,359 km (0.116 R)
• M16: 10,492,047 km (0.046 R)
• M17: 10,902,094 km (0.072 R)
• M18: 11,596,229 km (0.081 R)
• M19: 11,954,216 km (0.12 R)
• M20: 12,442,952 km (0.119 R)
• M21: 16,098,676 km (0.081 R)
• M22: 17,203,306 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.5

Radius: 12.9

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.55 AU - 2.89 AU

Year: 2991 Days

Day: 13.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,376,480 km

• M1: 160,519 km (0.098 R)
• M2: 644,767 km (0.058 R)
• M3: 1,150,557 km (0.116 R)
• M4: 1,730,698 km (0.064 R)
• M5: 2,254,739 km (0.109 R)
• M6: 2,704,131 km (0.094 R)
• M7: 3,268,265 km (0.069 R)
• M8: 3,807,565 km (0.108 R)
• M9: 4,704,853 km (0.101 R)
• M10: 5,525,547 km (0.026 R)
• M11: 5,984,364 km (0.118 R)
• M12: 6,765,713 km (0.048 R)
• M13: 9,484,355 km (0.115 R)
• M14: 10,547,099 km (0.112 R)
• M15: 11,557,034 km (0.104 R)
• M16: 14,514,733 km (0.036 R)
• M17: 15,234,898 km (0.118 R)
• M18: 18,238,075 km (0.115 R)
• M19: 19,505,767 km (0.083 R)
• M20: 21,286,580 km (0.1 R)
• M21: 23,035,080 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 520.7

Radius: 4.1

Gravity: 30.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.77 AU - 9.85 AU

Year: 17438 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,376,480 km

• M1: 51,013 km (0.102 R)
• M2: 273,315 km (0.077 R)
• M3: 1,028,635 km (0.071 R)
• M4: 1,283,699 km (0.108 R)
• M5: 1,865,485 km (0.099 R)
• M6: 2,326,696 km (0.104 R)
• M7: 2,696,801 km (0.087 R)
• M8: 3,030,254 km (0.034 R)
• M9: 6,752,399 km (0.098 R)
• M10: 14,004,754 km (0.063 R)
• M11: 22,524,951 km (0.05 R)
• M12: 23,198,142 km (0.114 R)
• M13: 24,483,786 km (0.08 R)
• M14: 24,685,743 km (0.119 R)
• M15: 24,990,623 km (0.117 R)
• M16: 26,130,410 km (0.105 R)
• M17: 32,962,395 km (0.098 R)
• M18: 33,954,678 km (0.07 R)
• M19: 58,744,840 km (0.063 R)
• M20: 59,652,450 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit