🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 12

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.65 AU - 0.67 AU

Year: 358 Days

Day: 8.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,057,794 km

• M1: 149,299 km (0.049 R)
• M2: 831,914 km (0.081 R)
• M3: 1,479,523 km (0.08 R)
• M4: 2,287,351 km (0.114 R)
• M5: 3,542,627 km (0.079 R)
• M6: 3,930,684 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 8.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.69 AU - 0.81 AU

Year: 433 Days

Day: 8.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,057,794 km

• M1: 106,962 km (0.063 R)
• M2: 390,002 km (0.059 R)
• M3: 677,978 km (0.115 R)
• M4: 1,284,298 km (0.089 R)
• M5: 1,763,011 km (0.082 R)
• M6: 2,107,385 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538

Radius: 12.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.88 AU - 1.38 AU

Year: 801 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,057,794 km

• M1: 154,235 km (0.085 R)
• M2: 614,398 km (0.072 R)
• M3: 1,174,343 km (0.052 R)
• M4: 1,827,188 km (0.079 R)
• M5: 2,258,180 km (0.097 R)
• M6: 3,764,331 km (0.053 R)
• M7: 4,160,167 km (0.063 R)
• M8: 4,600,284 km (0.052 R)
• M9: 5,630,714 km (0.059 R)
• M10: 6,311,235 km (0.054 R)
• M11: 6,809,097 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.9

Radius: 11

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.22 AU - 2.28 AU

Year: 2251 Days

Day: 14.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,057,794 km

• M1: 136,882 km (0.111 R)
• M2: 504,444 km (0.092 R)
• M3: 1,060,051 km (0.073 R)
• M4: 2,183,680 km (0.09 R)
• M5: 3,363,858 km (0.077 R)
• M6: 3,743,088 km (0.105 R)
• M7: 4,891,102 km (0.054 R)
• M8: 5,860,048 km (0.089 R)
• M9: 6,656,058 km (0.1 R)
• M10: 7,401,355 km (0.078 R)
• M11: 8,331,405 km (0.11 R)
• M12: 9,253,077 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.2

Radius: 11.2

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.4 AU - 3.6 AU

Year: 3465 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,057,794 km

• M1: 139,425 km (0.104 R)
• M2: 519,105 km (0.088 R)
• M3: 975,229 km (0.11 R)
• M4: 1,349,373 km (0.06 R)
• M5: 2,083,749 km (0.078 R)
• M6: 2,925,386 km (0.087 R)
• M7: 3,523,329 km (0.077 R)
• M8: 4,067,716 km (0.093 R)
• M9: 4,740,457 km (0.091 R)
• M10: 5,142,427 km (0.104 R)
• M11: 7,308,006 km (0.106 R)
• M12: 8,814,606 km (0.064 R)
• M13: 9,621,387 km (0.084 R)
• M14: 10,518,675 km (0.066 R)
• M15: 11,426,285 km (0.094 R)
• M16: 11,967,979 km (0.104 R)
• M17: 12,957,270 km (0.084 R)
• M18: 13,496,720 km (0.112 R)
• M19: 13,847,676 km (0.094 R)
• M20: 15,098,016 km (0.11 R)
• M21: 16,535,651 km (0.102 R)
• M22: 17,583,135 km (0.044 R)
• M23: 21,599,389 km (0.081 R)
• M24: 24,817,090 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.1

Radius: 11.6

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.28 AU - 4.7 AU

Year: 5315 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,057,794 km

• M1: 144,362 km (0.064 R)
• M2: 712,684 km (0.094 R)
• M3: 1,078,601 km (0.093 R)
• M4: 1,440,478 km (0.091 R)
• M5: 3,096,078 km (0.109 R)
• M6: 4,232,124 km (0.116 R)
• M7: 5,403,625 km (0.1 R)
• M8: 5,916,895 km (0.092 R)
• M9: 6,400,096 km (0.112 R)
• M10: 7,008,211 km (0.106 R)
• M11: 7,689,630 km (0.095 R)
• M12: 8,192,428 km (0.048 R)
• M13: 8,793,961 km (0.04 R)
• M14: 9,384,424 km (0.113 R)
• M15: 10,999,183 km (0.106 R)
• M16: 11,499,439 km (0.076 R)
• M17: 14,554,227 km (0.082 R)
• M18: 15,493,702 km (0.101 R)
• M19: 18,428,214 km (0.068 R)
• M20: 18,811,334 km (0.115 R)
• M21: 19,265,064 km (0.083 R)
• M22: 20,194,366 km (0.112 R)
• M23: 21,785,639 km (0.115 R)
• M24: 22,430,555 km (0.041 R)
• M25: 23,984,877 km (0.117 R)
• M26: 24,518,642 km (0.111 R)
• M27: 27,306,997 km (0.043 R)
• M28: 28,394,573 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.5

Radius: 10.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.87 AU - 4.73 AU

Year: 5946 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,057,794 km

• M1: 130,001 km (0.11 R)
• M2: 535,112 km (0.099 R)
• M3: 900,878 km (0.088 R)
• M4: 1,303,745 km (0.103 R)
• M5: 1,891,815 km (0.115 R)
• M6: 2,616,018 km (0.045 R)
• M7: 3,182,545 km (0.083 R)
• M8: 4,782,794 km (0.099 R)
• M9: 5,716,284 km (0.101 R)
• M10: 6,122,143 km (0.109 R)
• M11: 7,321,619 km (0.093 R)
• M12: 9,645,622 km (0.065 R)
• M13: 10,013,782 km (0.117 R)
• M14: 11,085,651 km (0.051 R)
• M15: 12,519,098 km (0.056 R)
• M16: 14,072,373 km (0.087 R)
• M17: 17,317,150 km (0.062 R)
• M18: 23,144,287 km (0.038 R)
• M19: 27,057,767 km (0.106 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 471 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit