🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 9.3

Gravity: 9.89 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.77 AU - 1.15 AU

Year: 661 Days

Day: 9.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,656,829 km

• M1: 116,088 km (0.113 R)
• M2: 439,967 km (0.112 R)
• M3: 820,096 km (0.113 R)
• M4: 1,362,238 km (0.085 R)
• M5: 1,706,762 km (0.107 R)
• M6: 2,360,056 km (0.114 R)
• M7: 2,710,414 km (0.085 R)
• M8: 3,197,355 km (0.102 R)
• M9: 3,558,185 km (0.065 R)
• M10: 4,394,288 km (0.047 R)
• M11: 5,067,927 km (0.099 R)
• M12: 5,769,990 km (0.12 R)
• M13: 6,164,779 km (0.118 R)
• M14: 7,074,932 km (0.074 R)
• M15: 7,435,613 km (0.084 R)
• M16: 7,855,983 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 10.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.91 AU - 1.43 AU

Year: 890 Days

Day: 12.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 17,656,829 km

• M1: 125,662 km (0.097 R)
• M2: 733,478 km (0.101 R)
• M3: 1,053,319 km (0.09 R)
• M4: 1,425,668 km (0.104 R)
• M5: 2,012,091 km (0.054 R)
• M6: 2,351,679 km (0.112 R)
• M7: 2,927,930 km (0.056 R)
• M8: 3,353,835 km (0.067 R)
• M9: 4,521,596 km (0.112 R)
• M10: 4,971,436 km (0.088 R)
• M11: 5,396,145 km (0.04 R)
• M12: 5,749,495 km (0.113 R)
• M13: 6,648,429 km (0.109 R)
• M14: 7,275,842 km (0.104 R)
• M15: 7,801,080 km (0.1 R)
• M16: 8,133,038 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82

Radius: 12.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.19 AU - 1.67 AU

Year: 1202 Days

Day: 8.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 17,656,829 km

• M1: 151,692 km (0.112 R)
• M2: 546,331 km (0.109 R)
• M3: 1,033,871 km (0.094 R)
• M4: 1,897,649 km (0.088 R)
• M5: 2,367,087 km (0.102 R)
• M6: 3,904,654 km (0.083 R)
• M7: 5,061,644 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.3

Radius: 14.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.49 AU - 2.09 AU

Year: 1683 Days

Day: 8.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 17,656,829 km

• M1: 181,761 km (0.053 R)
• M2: 690,095 km (0.11 R)
• M3: 1,541,606 km (0.054 R)
• M4: 2,311,138 km (0.117 R)
• M5: 3,370,889 km (0.054 R)
• M6: 4,961,563 km (0.114 R)
• M7: 5,667,366 km (0.025 R)
• M8: 8,167,296 km (0.114 R)
• M9: 9,937,188 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 9.9

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.62 AU - 2.2 AU

Year: 1855 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,656,829 km

• M1: 123,119 km (0.115 R)
• M2: 451,935 km (0.114 R)
• M3: 927,357 km (0.117 R)
• M4: 1,386,024 km (0.057 R)
• M5: 1,864,737 km (0.066 R)
• M6: 2,184,428 km (0.067 R)
• M7: 3,263,478 km (0.107 R)
• M8: 3,664,849 km (0.103 R)
• M9: 5,838,805 km (0.105 R)
• M10: 6,383,940 km (0.093 R)
• M11: 7,385,647 km (0.095 R)
• M12: 8,758,357 km (0.095 R)
• M13: 9,569,327 km (0.103 R)
• M14: 11,778,439 km (0.054 R)
• M15: 12,766,084 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 8.2

Gravity: 14.4 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.53 AU - 2.37 AU

Year: 1914 Days

Day: 6.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 17,656,829 km

• M1: 102,026 km (0.1 R)
• M2: 414,237 km (0.087 R)
• M3: 800,199 km (0.074 R)
• M4: 1,514,379 km (0.108 R)
• M5: 1,911,113 km (0.088 R)
• M6: 2,256,534 km (0.093 R)
• M7: 2,643,095 km (0.112 R)
• M8: 2,946,031 km (0.085 R)
• M9: 3,305,814 km (0.079 R)
• M10: 3,603,813 km (0.109 R)
• M11: 4,114,241 km (0.072 R)
• M12: 5,162,623 km (0.061 R)
• M13: 5,861,693 km (0.059 R)
• M14: 6,168,818 km (0.1 R)
• M15: 6,649,625 km (0.083 R)
• M16: 7,097,821 km (0.086 R)
• M17: 7,358,719 km (0.073 R)
• M18: 7,807,812 km (0.11 R)
• M19: 8,826,873 km (0.055 R)
• M20: 9,162,870 km (0.06 R)
• M21: 9,860,444 km (0.08 R)
• M22: 10,668,123 km (0.075 R)
• M23: 10,934,258 km (0.119 R)
• M24: 14,344,192 km (0.048 R)
• M25: 17,129,854 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.2

Radius: 13.6

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.96 AU - 2.96 AU

Year: 3580 Days

Day: 12.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,656,829 km

• M1: 169,494 km (0.083 R)
• M2: 660,475 km (0.118 R)
• M3: 1,143,975 km (0.079 R)
• M4: 1,860,250 km (0.087 R)
• M5: 2,315,925 km (0.071 R)
• M6: 2,743,326 km (0.111 R)
• M7: 3,965,391 km (0.104 R)
• M8: 4,949,595 km (0.118 R)
• M9: 5,765,502 km (0.094 R)
• M10: 9,190,096 km (0.103 R)
• M11: 9,988,799 km (0.057 R)
• M12: 10,534,233 km (0.057 R)
• M13: 11,924,745 km (0.118 R)
• M14: 14,973,999 km (0.075 R)
• M15: 15,689,525 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 13,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit