🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.2

Radius: 11.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.57 AU - 0.67 AU

Year: 331 Days

Day: 9.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 26,777,558 km

• M1: 147,504 km (0.113 R)
• M2: 530,474 km (0.106 R)
• M3: 985,551 km (0.091 R)
• M4: 3,283,075 km (0.094 R)
• M5: 3,659,314 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.5

Radius: 10.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.85 AU - 0.95 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,777,558 km

• M1: 126,859 km (0.092 R)
• M2: 474,375 km (0.08 R)
• M3: 950,545 km (0.113 R)
• M4: 1,524,103 km (0.078 R)
• M5: 1,865,635 km (0.056 R)
• M6: 2,183,082 km (0.098 R)
• M7: 2,599,861 km (0.085 R)
• M8: 3,069,449 km (0.108 R)
• M9: 4,810,320 km (0.08 R)
• M10: 5,809,633 km (0.078 R)
• M11: 6,280,867 km (0.119 R)
• M12: 6,900,501 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19

Radius: 11.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.69 AU - 2.67 AU

Year: 2183 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,777,558 km

• M1: 138,079 km (0.078 R)
• M2: 574,456 km (0.117 R)
• M3: 2,074,025 km (0.077 R)
• M4: 2,860,461 km (0.106 R)
• M5: 3,664,699 km (0.109 R)
• M6: 4,352,251 km (0.055 R)
• M7: 5,123,577 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.9

Radius: 8

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.59 AU - 2.89 AU

Year: 3076 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,777,558 km

• M1: 101,427 km (0.113 R)
• M2: 520,451 km (0.087 R)
• M3: 789,727 km (0.101 R)
• M4: 1,312,123 km (0.057 R)
• M5: 1,739,225 km (0.11 R)
• M6: 2,060,711 km (0.085 R)
• M7: 3,017,688 km (0.092 R)
• M8: 3,783,929 km (0.061 R)
• M9: 5,061,943 km (0.115 R)
• M10: 5,545,743 km (0.052 R)
• M11: 5,902,534 km (0.112 R)
• M12: 7,485,129 km (0.071 R)
• M13: 8,878,783 km (0.093 R)
• M14: 9,582,641 km (0.08 R)
• M15: 10,903,142 km (0.098 R)
• M16: 12,556,198 km (0.118 R)
• M17: 14,228,104 km (0.095 R)
• M18: 18,340,549 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.6

Radius: 12.5

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.47 AU - 3.15 AU

Year: 3195 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,777,558 km

• M1: 155,432 km (0.108 R)
• M2: 577,448 km (0.116 R)
• M3: 1,068,278 km (0.109 R)
• M4: 1,746,705 km (0.027 R)
• M5: 2,381,149 km (0.032 R)
• M6: 2,793,740 km (0.112 R)
• M7: 3,589,451 km (0.115 R)
• M8: 4,645,014 km (0.115 R)
• M9: 5,924,524 km (0.08 R)
• M10: 6,313,928 km (0.073 R)
• M11: 8,560,439 km (0.032 R)
• M12: 9,390,707 km (0.066 R)
• M13: 9,806,440 km (0.055 R)
• M14: 10,513,290 km (0.06 R)
• M15: 11,941,052 km (0.1 R)
• M16: 12,610,652 km (0.04 R)
• M17: 13,589,770 km (0.117 R)
• M18: 14,220,923 km (0.115 R)
• M19: 15,281,722 km (0.12 R)
• M20: 16,124,855 km (0.075 R)
• M21: 16,943,156 km (0.056 R)
• M22: 17,846,278 km (0.111 R)
• M23: 21,068,467 km (0.093 R)
• M24: 21,521,299 km (0.098 R)
• M25: 22,379,243 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.2

Radius: 10.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.69 AU - 3.13 AU

Year: 3367 Days

Day: 11.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,777,558 km

• M1: 135,835 km (0.102 R)
• M2: 1,343,838 km (0.095 R)
• M3: 2,082,253 km (0.056 R)
• M4: 2,872,578 km (0.115 R)
• M5: 3,301,326 km (0.111 R)
• M6: 3,832,099 km (0.076 R)
• M7: 4,353,448 km (0.082 R)
• M8: 4,993,128 km (0.051 R)
• M9: 5,853,017 km (0.095 R)
• M10: 6,234,641 km (0.042 R)
• M11: 6,603,998 km (0.064 R)
• M12: 8,331,255 km (0.09 R)
• M13: 9,651,157 km (0.059 R)
• M14: 11,396,515 km (0.086 R)
• M15: 13,910,657 km (0.084 R)
• M16: 18,926,375 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915

Radius: 14.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.88 AU - 3.22 AU

Year: 3613 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,777,558 km

• M1: 185,352 km (0.114 R)
• M2: 652,696 km (0.111 R)
• M3: 1,374,954 km (0.11 R)
• M4: 1,849,179 km (0.109 R)
• M5: 2,963,833 km (0.079 R)
• M6: 4,144,310 km (0.107 R)
• M7: 4,658,029 km (0.094 R)
• M8: 5,536,468 km (0.056 R)
• M9: 6,280,867 km (0.073 R)
• M10: 7,287,810 km (0.1 R)
• M11: 7,900,114 km (0.089 R)
• M12: 8,845,423 km (0.12 R)
• M13: 9,662,826 km (0.047 R)
• M14: 11,048,700 km (0.049 R)
• M15: 11,766,770 km (0.09 R)
• M16: 14,580,856 km (0.105 R)
• M17: 15,117,314 km (0.078 R)
• M18: 16,116,179 km (0.076 R)
• M19: 23,346,692 km (0.088 R)
• M20: 23,859,813 km (0.114 R)
• M21: 25,367,311 km (0.114 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 16,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit