🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 10.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.73 AU - 0.93 AU

Year: 522 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,793,476 km

• M1: 135,536 km (0.086 R)
• M2: 569,968 km (0.108 R)
• M3: 1,156,990 km (0.088 R)
• M4: 1,846,487 km (0.103 R)
• M5: 2,544,959 km (0.087 R)
• M6: 2,975,801 km (0.058 R)
• M7: 3,378,967 km (0.055 R)
• M8: 4,009,971 km (0.085 R)
• M9: 4,451,285 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 10.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.83 AU - 0.87 AU

Year: 541 Days

Day: 7.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,793,476 km

• M1: 133,142 km (0.095 R)
• M2: 560,693 km (0.116 R)
• M3: 1,196,933 km (0.054 R)
• M4: 1,796,222 km (0.098 R)
• M5: 2,310,090 km (0.064 R)
• M6: 3,841,374 km (0.103 R)
• M7: 4,556,302 km (0.081 R)
• M8: 5,013,025 km (0.119 R)
• M9: 5,572,221 km (0.108 R)
• M10: 6,650,673 km (0.091 R)
• M11: 7,218,097 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.4

Radius: 12.5

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,793,476 km

• M1: 155,432 km (0.098 R)
• M2: 566,826 km (0.081 R)
• M3: 1,715,289 km (0.065 R)
• M4: 2,269,250 km (0.098 R)
• M5: 2,837,273 km (0.034 R)
• M6: 3,981,099 km (0.063 R)
• M7: 4,829,019 km (0.109 R)
• M8: 5,217,824 km (0.068 R)
• M9: 5,756,676 km (0.086 R)
• M10: 6,155,653 km (0.102 R)
• M11: 7,289,605 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 13.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.86 AU - 2.86 AU

Year: 2503 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,793,476 km

• M1: 185,202 km (0.097 R)
• M2: 646,562 km (0.101 R)
• M3: 1,156,092 km (0.108 R)
• M4: 1,690,905 km (0.086 R)
• M5: 2,207,317 km (0.083 R)
• M6: 2,899,805 km (0.081 R)
• M7: 3,337,528 km (0.05 R)
• M8: 3,924,999 km (0.104 R)
• M9: 6,185,423 km (0.047 R)
• M10: 7,075,979 km (0.104 R)
• M11: 8,108,504 km (0.117 R)
• M12: 8,707,194 km (0.11 R)
• M13: 11,513,202 km (0.104 R)
• M14: 14,525,056 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 12.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.51 AU - 3.47 AU

Year: 3569 Days

Day: 12.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 25,793,476 km

• M1: 150,944 km (0.075 R)
• M2: 621,130 km (0.092 R)
• M3: 1,037,611 km (0.11 R)
• M4: 1,870,721 km (0.106 R)
• M5: 2,688,573 km (0.082 R)
• M6: 4,458,465 km (0.076 R)
• M7: 5,303,394 km (0.077 R)
• M8: 5,970,152 km (0.112 R)
• M9: 6,396,506 km (0.119 R)
• M10: 6,843,055 km (0.075 R)
• M11: 8,206,042 km (0.045 R)
• M12: 10,095,313 km (0.077 R)
• M13: 10,702,232 km (0.087 R)
• M14: 11,592,937 km (0.099 R)
• M15: 13,233,876 km (0.099 R)
• M16: 14,511,891 km (0.085 R)
• M17: 15,024,713 km (0.084 R)
• M18: 15,709,572 km (0.056 R)
• M19: 16,195,765 km (0.115 R)
• M20: 19,573,834 km (0.114 R)
• M21: 23,256,186 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 10.3

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.09 AU - 3.77 AU

Year: 4385 Days

Day: 13.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 25,793,476 km

• M1: 128,355 km (0.08 R)
• M2: 606,171 km (0.036 R)
• M3: 962,363 km (0.055 R)
• M4: 1,565,093 km (0.091 R)
• M5: 1,918,593 km (0.05 R)
• M6: 2,310,390 km (0.113 R)
• M7: 2,862,106 km (0.116 R)
• M8: 3,237,896 km (0.093 R)
• M9: 3,754,009 km (0.059 R)
• M10: 6,640,649 km (0.096 R)
• M11: 7,100,214 km (0.108 R)
• M12: 7,793,451 km (0.081 R)
• M13: 8,193,625 km (0.082 R)
• M14: 9,314,861 km (0.065 R)
• M15: 10,535,430 km (0.089 R)
• M16: 11,025,363 km (0.11 R)
• M17: 11,391,130 km (0.077 R)
• M18: 11,812,248 km (0.107 R)
• M19: 12,487,981 km (0.082 R)
• M20: 13,653,947 km (0.081 R)
• M21: 14,615,862 km (0.106 R)
• M22: 15,057,774 km (0.032 R)
• M23: 15,968,077 km (0.105 R)
• M24: 16,794,306 km (0.115 R)
• M25: 19,643,846 km (0.114 R)
• M26: 22,948,762 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.3

Radius: 8.7

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.6 AU - 5.38 AU

Year: 7694 Days

Day: 10.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,793,476 km

• M1: 108,907 km (0.061 R)
• M2: 412,591 km (0.115 R)
• M3: 880,832 km (0.066 R)
• M4: 1,286,691 km (0.092 R)
• M5: 1,679,236 km (0.105 R)
• M6: 2,052,184 km (0.11 R)
• M7: 2,931,071 km (0.083 R)
• M8: 4,130,248 km (0.092 R)
• M9: 5,824,294 km (0.084 R)
• M10: 6,409,222 km (0.086 R)
• M11: 8,007,675 km (0.096 R)
• M12: 9,223,756 km (0.116 R)
• M13: 11,562,419 km (0.09 R)
• M14: 13,910,657 km (0.11 R)
• M15: 16,502,590 km (0.073 R)
• M16: 20,635,381 km (0.025 R)
• M17: 22,832,824 km (0.114 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: 274 - 16,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit