🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 10.5

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.72 AU - 0.72 AU

Year: 401 Days

Day: 6.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,682,639 km

• M1: 130,599 km (0.067 R)
• M2: 476,170 km (0.047 R)
• M3: 844,181 km (0.103 R)
• M4: 1,186,910 km (0.092 R)
• M5: 1,648,868 km (0.103 R)
• M6: 2,026,303 km (0.091 R)
• M7: 2,510,103 km (0.096 R)
• M8: 2,859,713 km (0.038 R)
• M9: 3,461,096 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 14.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.86 AU - 1.14 AU

Year: 656 Days

Day: 6.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,682,639 km

• M1: 181,612 km (0.088 R)
• M2: 677,379 km (0.065 R)
• M3: 1,454,390 km (0.079 R)
• M4: 2,019,571 km (0.119 R)
• M5: 2,881,405 km (0.092 R)
• M6: 3,539,934 km (0.071 R)
• M7: 4,490,479 km (0.035 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.6

Radius: 12.2

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.74 AU - 1.98 AU

Year: 1664 Days

Day: 5.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,682,639 km

• M1: 151,842 km (0.071 R)
• M2: 742,604 km (0.069 R)
• M3: 1,276,070 km (0.118 R)
• M4: 4,862,380 km (0.108 R)
• M5: 5,696,986 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 13.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.87 AU - 2.11 AU

Year: 1842 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,682,639 km

• M1: 165,754 km (0.12 R)
• M2: 746,643 km (0.074 R)
• M3: 1,216,530 km (0.094 R)
• M4: 1,703,621 km (0.105 R)
• M5: 2,393,416 km (0.105 R)
• M6: 3,276,343 km (0.079 R)
• M7: 4,591,308 km (0.028 R)
• M8: 5,012,875 km (0.115 R)
• M9: 5,703,718 km (0.104 R)
• M10: 6,966,773 km (0.096 R)
• M11: 7,664,497 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.4

Radius: 11.9

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.39 AU - 2.51 AU

Year: 2516 Days

Day: 5.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,682,639 km

• M1: 148,401 km (0.09 R)
• M2: 836,252 km (0.061 R)
• M3: 2,412,266 km (0.099 R)
• M4: 3,804,573 km (0.114 R)
• M5: 4,324,725 km (0.117 R)
• M6: 4,816,004 km (0.1 R)
• M7: 5,998,426 km (0.108 R)
• M8: 7,543,473 km (0.107 R)
• M9: 9,821,549 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.6

Radius: 11.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.14 AU - 2.94 AU

Year: 2656 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,682,639 km

• M1: 141,819 km (0.084 R)
• M2: 715,676 km (0.112 R)
• M3: 1,208,152 km (0.072 R)
• M4: 1,859,502 km (0.106 R)
• M5: 2,637,859 km (0.043 R)
• M6: 3,171,026 km (0.113 R)
• M7: 4,244,690 km (0.095 R)
• M8: 4,855,199 km (0.055 R)
• M9: 6,252,293 km (0.117 R)
• M10: 8,641,970 km (0.068 R)
• M11: 9,493,481 km (0.118 R)
• M12: 10,469,457 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.2

Radius: 14.5

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.27 AU - 5.53 AU

Year: 7115 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,682,639 km

• M1: 180,265 km (0.079 R)
• M2: 712,684 km (0.078 R)
• M3: 1,199,177 km (0.088 R)
• M4: 1,977,085 km (0.067 R)
• M5: 3,995,460 km (0.098 R)
• M6: 5,122,530 km (0.088 R)
• M7: 5,842,545 km (0.076 R)
• M8: 6,557,922 km (0.085 R)
• M9: 7,602,414 km (0.061 R)
• M10: 9,060,694 km (0.096 R)
• M11: 11,458,000 km (0.1 R)
• M12: 12,253,113 km (0.102 R)
• M13: 14,132,212 km (0.09 R)
• M14: 15,360,859 km (0.035 R)
• M15: 17,335,700 km (0.104 R)
• M16: 19,998,243 km (0.082 R)
• M17: 21,545,833 km (0.086 R)
• M18: 22,025,444 km (0.059 R)
• M19: 24,878,575 km (0.075 R)
• M20: 26,303,195 km (0.069 R)
• M21: 27,875,768 km (0.114 R)
• M22: 29,412,288 km (0.075 R)
• M23: 31,411,514 km (0.03 R)
• M24: 36,014,191 km (0.086 R)
• M25: 36,576,979 km (0.12 R)
• M26: 38,887,218 km (0.113 R)
• M27: 39,718,384 km (0.049 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: 298 - 16,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit