🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.8

Radius: 12.1

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.53 AU - 0.85 AU

Year: 382 Days

Day: 10.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,575,957 km

• M1: 151,543 km (0.102 R)
• M2: 543,489 km (0.064 R)
• M3: 1,111,811 km (0.064 R)
• M4: 1,620,444 km (0.077 R)
• M5: 2,465,971 km (0.119 R)
• M6: 2,882,751 km (0.075 R)
• M7: 3,346,804 km (0.086 R)
• M8: 3,756,103 km (0.104 R)
• M9: 4,401,020 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.4

Radius: 10.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.69 AU - 1.05 AU

Year: 541 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 22,575,957 km

• M1: 141,220 km (0.047 R)
• M2: 636,240 km (0.109 R)
• M3: 1,600,996 km (0.051 R)
• M4: 2,676,156 km (0.084 R)
• M5: 3,235,952 km (0.08 R)
• M6: 3,908,244 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762

Radius: 9.4

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.1 AU - 1.32 AU

Year: 888 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,575,957 km

• M1: 116,836 km (0.06 R)
• M2: 452,085 km (0.04 R)
• M3: 926,310 km (0.118 R)
• M4: 1,450,800 km (0.025 R)
• M5: 1,768,396 km (0.069 R)
• M6: 2,455,499 km (0.115 R)
• M7: 2,975,801 km (0.099 R)
• M8: 3,381,061 km (0.076 R)
• M9: 4,523,241 km (0.109 R)
• M10: 5,135,545 km (0.077 R)
• M11: 5,946,366 km (0.12 R)
• M12: 6,371,673 km (0.098 R)
• M13: 6,931,917 km (0.094 R)
• M14: 8,675,929 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.2

Radius: 11.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.62 AU - 2 AU

Year: 1624 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,575,957 km

• M1: 143,614 km (0.115 R)
• M2: 571,314 km (0.116 R)
• M3: 980,614 km (0.108 R)
• M4: 1,499,270 km (0.077 R)
• M5: 1,903,184 km (0.087 R)
• M6: 2,293,335 km (0.098 R)
• M7: 2,668,377 km (0.034 R)
• M8: 3,054,639 km (0.092 R)
• M9: 3,527,967 km (0.108 R)
• M10: 4,291,664 km (0.066 R)
• M11: 5,790,186 km (0.117 R)
• M12: 6,220,130 km (0.057 R)
• M13: 7,810,206 km (0.098 R)
• M14: 10,435,199 km (0.1 R)
• M15: 11,476,999 km (0.106 R)
• M16: 12,945,452 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 10.1

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.1 AU - 2.1 AU

Year: 2029 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,575,957 km

• M1: 125,812 km (0.118 R)
• M2: 505,641 km (0.114 R)
• M3: 1,045,240 km (0.1 R)
• M4: 1,373,458 km (0.112 R)
• M5: 2,301,862 km (0.09 R)
• M6: 2,792,244 km (0.117 R)
• M7: 3,194,363 km (0.085 R)
• M8: 3,558,634 km (0.067 R)
• M9: 4,182,906 km (0.06 R)
• M10: 5,107,571 km (0.071 R)
• M11: 5,525,846 km (0.097 R)
• M12: 6,163,133 km (0.041 R)
• M13: 6,848,591 km (0.108 R)
• M14: 8,076,490 km (0.026 R)
• M15: 8,398,424 km (0.09 R)
• M16: 9,269,982 km (0.101 R)
• M17: 10,930,817 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 9.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.47 AU - 3.91 AU

Year: 3799 Days

Day: 11.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,575,957 km

• M1: 117,285 km (0.09 R)
• M2: 438,172 km (0.085 R)
• M3: 786,137 km (0.078 R)
• M4: 1,889,720 km (0.086 R)
• M5: 2,432,910 km (0.109 R)
• M6: 2,781,324 km (0.109 R)
• M7: 3,128,391 km (0.084 R)
• M8: 3,504,480 km (0.117 R)
• M9: 4,262,193 km (0.118 R)
• M10: 4,864,025 km (0.115 R)
• M11: 5,470,944 km (0.071 R)
• M12: 6,660,845 km (0.115 R)
• M13: 7,534,347 km (0.056 R)
• M14: 9,507,693 km (0.082 R)
• M15: 9,842,044 km (0.065 R)
• M16: 10,222,920 km (0.061 R)
• M17: 11,803,122 km (0.087 R)
• M18: 12,629,351 km (0.114 R)
• M19: 13,774,523 km (0.086 R)
• M20: 14,251,441 km (0.05 R)
• M21: 15,800,228 km (0.098 R)
• M22: 18,300,756 km (0.093 R)
• M23: 18,703,175 km (0.088 R)
• M24: 19,825,159 km (0.062 R)
• M25: 20,310,753 km (0.116 R)
• M26: 20,680,110 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.8

Radius: 10

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.18 AU - 3.46 AU

Year: 4034 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,575,957 km

• M1: 125,812 km (0.102 R)
• M2: 518,955 km (0.11 R)
• M3: 2,183,979 km (0.03 R)
• M4: 3,581,672 km (0.095 R)
• M5: 4,414,932 km (0.119 R)
• M6: 4,829,917 km (0.09 R)
• M7: 7,121,756 km (0.097 R)
• M8: 9,902,481 km (0.054 R)
• M9: 11,662,800 km (0.117 R)
• M10: 13,195,280 km (0.078 R)
• M11: 15,010,950 km (0.07 R)
• M12: 18,712,898 km (0.11 R)
• M13: 20,425,794 km (0.12 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit