🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.41 AU - 0.67 AU

Year: 256 Days

Day: 14 Hours

Environment

Temp: -121 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659

Radius: 12.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.05 AU - 1.17 AU

Year: 755 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,747,830 km

• M1: 159,172 km (0.12 R)
• M2: 702,063 km (0.11 R)
• M3: 1,189,752 km (0.03 R)
• M4: 1,615,807 km (0.085 R)
• M5: 2,032,586 km (0.074 R)
• M6: 2,721,335 km (0.088 R)
• M7: 3,190,923 km (0.067 R)
• M8: 3,714,665 km (0.117 R)
• M9: 4,405,807 km (0.119 R)
• M10: 5,128,065 km (0.033 R)
• M11: 5,772,982 km (0.07 R)
• M12: 6,638,854 km (0.101 R)
• M13: 7,383,253 km (0.086 R)
• M14: 8,354,293 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.6

Radius: 10.9

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.02 AU - 1.64 AU

Year: 990 Days

Day: 7.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,747,830 km

• M1: 135,536 km (0.081 R)
• M2: 517,459 km (0.093 R)
• M3: 867,069 km (0.118 R)
• M4: 1,212,940 km (0.043 R)
• M5: 1,562,251 km (0.108 R)
• M6: 1,970,204 km (0.112 R)
• M7: 2,528,952 km (0.063 R)
• M8: 3,556,091 km (0.104 R)
• M9: 4,205,495 km (0.025 R)
• M10: 5,781,509 km (0.102 R)
• M11: 6,480,430 km (0.09 R)
• M12: 6,953,758 km (0.112 R)
• M13: 7,329,847 km (0.106 R)
• M14: 7,670,032 km (0.094 R)
• M15: 8,999,957 km (0.086 R)
• M16: 9,590,121 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 10.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.21 AU - 1.47 AU

Year: 1002 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,747,830 km

• M1: 125,662 km (0.113 R)
• M2: 657,632 km (0.117 R)
• M3: 1,166,415 km (0.078 R)
• M4: 1,806,693 km (0.109 R)
• M5: 2,254,290 km (0.104 R)
• M6: 2,678,849 km (0.112 R)
• M7: 3,116,722 km (0.112 R)
• M8: 3,809,959 km (0.09 R)
• M9: 4,654,738 km (0.07 R)
• M10: 6,065,894 km (0.092 R)
• M11: 6,405,332 km (0.112 R)
• M12: 7,694,566 km (0.097 R)
• M13: 8,903,766 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 12.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.65 AU - 2.29 AU

Year: 1785 Days

Day: 13.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,747,830 km

• M1: 151,692 km (0.107 R)
• M2: 602,131 km (0.07 R)
• M3: 1,018,163 km (0.103 R)
• M4: 1,882,988 km (0.078 R)
• M5: 2,264,762 km (0.108 R)
• M6: 3,038,782 km (0.077 R)
• M7: 3,586,609 km (0.044 R)
• M8: 4,311,560 km (0.109 R)
• M9: 5,153,347 km (0.039 R)
• M10: 6,030,141 km (0.075 R)
• M11: 6,417,599 km (0.061 R)
• M12: 7,082,861 km (0.048 R)
• M13: 7,935,718 km (0.116 R)
• M14: 9,878,845 km (0.111 R)
• M15: 11,931,777 km (0.09 R)
• M16: 12,859,283 km (0.056 R)
• M17: 13,709,747 km (0.108 R)
• M18: 14,212,396 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 8.4

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.15 AU - 3.41 AU

Year: 2993 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 26,747,830 km

• M1: 104,419 km (0.086 R)
• M2: 468,989 km (0.12 R)
• M3: 785,389 km (0.106 R)
• M4: 1,320,351 km (0.026 R)
• M5: 1,879,248 km (0.075 R)
• M6: 2,557,376 km (0.108 R)
• M7: 3,037,136 km (0.059 R)
• M8: 4,842,633 km (0.04 R)
• M9: 5,759,817 km (0.11 R)
• M10: 6,053,627 km (0.059 R)
• M11: 6,329,486 km (0.113 R)
• M12: 6,642,594 km (0.118 R)
• M13: 11,129,483 km (0.085 R)
• M14: 11,586,505 km (0.091 R)
• M15: 12,273,608 km (0.059 R)
• M16: 14,547,047 km (0.091 R)
• M17: 14,993,147 km (0.071 R)
• M18: 15,912,726 km (0.086 R)
• M19: 16,653,684 km (0.088 R)
• M20: 17,141,971 km (0.077 R)
• M21: 17,584,033 km (0.111 R)
• M22: 18,204,266 km (0.108 R)
• M23: 19,191,312 km (0.113 R)
• M24: 19,788,208 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 9.4

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.92 AU - 4.42 AU

Year: 4540 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,747,830 km

• M1: 206,744 km (0.118 R)
• M2: 664,663 km (0.075 R)
• M3: 1,091,466 km (0.052 R)
• M4: 2,204,773 km (0.056 R)
• M5: 2,953,062 km (0.097 R)
• M6: 4,499,455 km (0.101 R)
• M7: 4,869,261 km (0.087 R)
• M8: 5,869,173 km (0.053 R)
• M9: 7,097,970 km (0.094 R)
• M10: 7,669,284 km (0.091 R)
• M11: 7,983,889 km (0.088 R)
• M12: 8,527,527 km (0.056 R)
• M13: 9,369,315 km (0.091 R)
• M14: 12,803,334 km (0.067 R)
• M15: 15,179,546 km (0.113 R)
• M16: 22,519,715 km (0.114 R)
• M17: 26,271,331 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,684 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit