🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 12.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 9.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 23,848,990 km

• M1: 151,842 km (0.086 R)
• M2: 541,544 km (0.104 R)
• M3: 945,459 km (0.087 R)
• M4: 1,347,578 km (0.11 R)
• M5: 2,198,939 km (0.09 R)
• M6: 2,680,943 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.4

Radius: 14.3

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.67 AU - 0.67 AU

Year: 372 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,848,990 km

• M1: 177,872 km (0.084 R)
• M2: 688,599 km (0.112 R)
• M3: 1,425,668 km (0.059 R)
• M4: 2,026,602 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 11.3

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.64 AU - 0.76 AU

Year: 397 Days

Day: 9.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,848,990 km

• M1: 140,472 km (0.087 R)
• M2: 520,750 km (0.099 R)
• M3: 959,072 km (0.08 R)
• M4: 1,423,573 km (0.047 R)
• M5: 2,272,691 km (0.063 R)
• M6: 2,760,230 km (0.091 R)
• M7: 3,895,977 km (0.034 R)
• M8: 4,541,492 km (0.116 R)
• M9: 5,010,481 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.4

Radius: 10.7

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.86 AU - 1.02 AU

Year: 618 Days

Day: 11.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,848,990 km

• M1: 141,669 km (0.104 R)
• M2: 962,662 km (0.099 R)
• M3: 1,349,822 km (0.096 R)
• M4: 1,753,437 km (0.094 R)
• M5: 2,491,852 km (0.103 R)
• M6: 2,887,688 km (0.115 R)
• M7: 3,288,610 km (0.032 R)
• M8: 4,159,419 km (0.112 R)
• M9: 5,330,621 km (0.095 R)
• M10: 6,490,752 km (0.085 R)
• M11: 6,933,113 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.7

Radius: 9.7

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.73 AU - 2.19 AU

Year: 1861 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,848,990 km

• M1: 122,969 km (0.103 R)
• M2: 601,084 km (0.082 R)
• M3: 912,248 km (0.095 R)
• M4: 1,223,262 km (0.105 R)
• M5: 1,589,029 km (0.043 R)
• M6: 2,265,660 km (0.117 R)
• M7: 2,851,186 km (0.087 R)
• M8: 3,165,940 km (0.102 R)
• M9: 3,488,772 km (0.078 R)
• M10: 4,236,013 km (0.098 R)
• M11: 4,911,448 km (0.032 R)
• M12: 5,265,247 km (0.116 R)
• M13: 6,202,477 km (0.09 R)
• M14: 6,806,254 km (0.065 R)
• M15: 8,077,387 km (0.114 R)
• M16: 8,941,166 km (0.104 R)
• M17: 10,113,863 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.8

Radius: 10.8

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.21 AU - 2.61 AU

Year: 2538 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,848,990 km

• M1: 134,788 km (0.029 R)
• M2: 695,181 km (0.05 R)
• M3: 1,406,519 km (0.032 R)
• M4: 1,820,905 km (0.083 R)
• M5: 2,197,593 km (0.039 R)
• M6: 2,685,880 km (0.118 R)
• M7: 3,144,398 km (0.094 R)
• M8: 3,901,363 km (0.057 R)
• M9: 4,281,790 km (0.059 R)
• M10: 5,071,218 km (0.092 R)
• M11: 5,775,525 km (0.058 R)
• M12: 6,138,150 km (0.112 R)
• M13: 7,170,974 km (0.044 R)
• M14: 8,026,674 km (0.107 R)
• M15: 8,712,131 km (0.111 R)
• M16: 9,190,396 km (0.04 R)
• M17: 10,964,926 km (0.105 R)
• M18: 11,767,967 km (0.113 R)
• M19: 12,739,306 km (0.095 R)
• M20: 13,400,977 km (0.117 R)
• M21: 14,131,912 km (0.062 R)
• M22: 14,745,264 km (0.093 R)
• M23: 15,228,914 km (0.066 R)
• M24: 15,924,095 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 10.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.4 AU - 3.44 AU

Year: 4290 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 94.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,848,990 km

• M1: 131,945 km (0.112 R)
• M2: 537,954 km (0.102 R)
• M3: 975,229 km (0.102 R)
• M4: 1,351,617 km (0.117 R)
• M5: 2,484,671 km (0.07 R)
• M6: 3,042,372 km (0.042 R)
• M7: 3,641,811 km (0.093 R)
• M8: 4,012,514 km (0.117 R)
• M9: 4,686,901 km (0.1 R)
• M10: 5,567,285 km (0.055 R)
• M11: 6,795,782 km (0.08 R)
• M12: 7,232,309 km (0.114 R)
• M13: 8,800,244 km (0.044 R)
• M14: 9,206,552 km (0.118 R)
• M15: 10,460,482 km (0.115 R)
• M16: 11,001,128 km (0.106 R)
• M17: 11,647,989 km (0.112 R)
• M18: 12,048,164 km (0.108 R)
• M19: 13,594,706 km (0.034 R)
• M20: 14,799,717 km (0.05 R)
• M21: 16,184,096 km (0.076 R)
• M22: 18,359,997 km (0.113 R)
• M23: 19,518,034 km (0.038 R)
• M24: 21,115,141 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 18,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit