🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 11.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.56 AU - 0.74 AU

Year: 355 Days

Day: 6.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,920,385 km

• M1: 145,559 km (0.056 R)
• M2: 550,371 km (0.079 R)
• M3: 1,115,701 km (0.11 R)
• M4: 1,920,089 km (0.08 R)
• M5: 2,600,460 km (0.096 R)
• M6: 3,445,987 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 12.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.82 AU - 0.84 AU

Year: 513 Days

Day: 8.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,920,385 km

• M1: 157,975 km (0.116 R)
• M2: 563,685 km (0.09 R)
• M3: 1,110,315 km (0.114 R)
• M4: 1,567,038 km (0.047 R)
• M5: 2,392,519 km (0.098 R)
• M6: 2,944,385 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.9

Radius: 14.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.82 AU - 1.22 AU

Year: 699 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,920,385 km

• M1: 180,415 km (0.081 R)
• M2: 700,118 km (0.044 R)
• M3: 1,197,082 km (0.093 R)
• M4: 1,732,044 km (0.103 R)
• M5: 2,323,704 km (0.07 R)
• M6: 2,819,022 km (0.109 R)
• M7: 3,892,985 km (0.092 R)
• M8: 4,418,822 km (0.09 R)
• M9: 5,672,602 km (0.098 R)
• M10: 6,582,905 km (0.091 R)
• M11: 8,091,898 km (0.038 R)
• M12: 8,797,701 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 13.7

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.69 AU - 1.87 AU

Year: 1611 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,920,385 km

• M1: 170,392 km (0.065 R)
• M2: 645,365 km (0.113 R)
• M3: 1,157,738 km (0.117 R)
• M4: 1,621,043 km (0.104 R)
• M5: 2,162,886 km (0.067 R)
• M6: 2,882,751 km (0.109 R)
• M7: 3,671,431 km (0.101 R)
• M8: 4,480,755 km (0.108 R)
• M9: 5,518,815 km (0.088 R)
• M10: 6,633,918 km (0.104 R)
• M11: 7,272,700 km (0.102 R)
• M12: 8,247,779 km (0.085 R)
• M13: 9,275,816 km (0.102 R)
• M14: 10,352,472 km (0.069 R)
• M15: 11,176,756 km (0.111 R)
• M16: 11,775,596 km (0.113 R)
• M17: 12,594,046 km (0.071 R)
• M18: 14,784,309 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.9

Radius: 10.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.18 AU - 5.94 AU

Year: 7720 Days

Day: 13.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,920,385 km

• M1: 129,402 km (0.098 R)
• M2: 1,208,302 km (0.056 R)
• M3: 1,552,527 km (0.118 R)
• M4: 3,730,672 km (0.084 R)
• M5: 5,870,819 km (0.032 R)
• M6: 6,289,394 km (0.119 R)
• M7: 9,917,740 km (0.115 R)
• M8: 10,351,873 km (0.107 R)
• M9: 11,047,653 km (0.098 R)
• M10: 17,610,063 km (0.08 R)
• M11: 19,568,299 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.5

Radius: 14.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.67 AU - 6.29 AU

Year: 8701 Days

Day: 7.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,920,385 km

• M1: 180,116 km (0.089 R)
• M2: 649,255 km (0.105 R)
• M3: 1,098,647 km (0.095 R)
• M4: 2,147,777 km (0.081 R)
• M5: 7,690,228 km (0.101 R)
• M6: 8,487,734 km (0.12 R)
• M7: 9,173,192 km (0.089 R)
• M8: 10,427,570 km (0.066 R)
• M9: 12,190,730 km (0.106 R)
• M10: 21,622,876 km (0.028 R)
• M11: 28,003,375 km (0.108 R)
• M12: 30,351,164 km (0.044 R)
• M13: 31,005,056 km (0.056 R)

Asteroid Belt

Center: 6.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 427.1

Radius: 3.1

Gravity: 44.44 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.45 AU - 8.21 AU

Year: 13460 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,920,385 km

• M1: 39,045 km (0.079 R)
• M2: 591,660 km (0.082 R)
• M3: 728,093 km (0.056 R)
• M4: 827,276 km (0.114 R)
• M5: 966,851 km (0.073 R)
• M6: 2,544,809 km (0.086 R)
• M7: 2,690,069 km (0.111 R)
• M8: 2,997,493 km (0.112 R)
• M9: 4,201,307 km (0.085 R)
• M10: 4,644,864 km (0.101 R)
• M11: 4,799,399 km (0.081 R)
• M12: 5,943,075 km (0.099 R)
• M13: 9,620,789 km (0.073 R)
• M14: 11,139,506 km (0.084 R)
• M15: 11,869,394 km (0.084 R)
• M16: 12,334,045 km (0.067 R)
• M17: 12,931,689 km (0.09 R)
• M18: 15,175,956 km (0.109 R)
• M19: 17,368,911 km (0.118 R)
• M20: 18,348,328 km (0.081 R)
• M21: 22,108,770 km (0.025 R)
• M22: 24,260,586 km (0.083 R)
• M23: 34,614,404 km (0.063 R)
• M24: 42,402,170 km (0.079 R)
• M25: 49,920,361 km (0.052 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: 247 - 18,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit