🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 9.2

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.68 AU - 1.08 AU

Year: 533 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,992,786 km

• M1: 114,891 km (0.113 R)
• M2: 473,178 km (0.092 R)
• M3: 787,184 km (0.119 R)
• M4: 1,201,869 km (0.11 R)
• M5: 1,719,478 km (0.113 R)
• M6: 2,093,921 km (0.117 R)
• M7: 2,409,872 km (0.115 R)
• M8: 2,735,846 km (0.05 R)
• M9: 3,175,813 km (0.111 R)
• M10: 3,555,941 km (0.106 R)
• M11: 3,895,678 km (0.101 R)
• M12: 4,183,205 km (0.118 R)
• M13: 4,704,554 km (0.059 R)
• M14: 5,390,460 km (0.111 R)
• M15: 6,373,767 km (0.087 R)
• M16: 6,939,546 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 13.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.04 AU - 1.54 AU

Year: 946 Days

Day: 13.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,992,786 km

• M1: 166,652 km (0.066 R)
• M2: 687,851 km (0.053 R)
• M3: 1,393,355 km (0.106 R)
• M4: 1,831,377 km (0.098 R)
• M5: 3,031,601 km (0.104 R)
• M6: 3,597,380 km (0.11 R)
• M7: 4,233,021 km (0.116 R)
• M8: 5,124,026 km (0.111 R)
• M9: 6,385,136 km (0.086 R)
• M10: 6,821,513 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.2

Radius: 12.1

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.97 AU - 2.75 AU

Year: 2341 Days

Day: 7.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,992,786 km

• M1: 150,495 km (0.103 R)
• M2: 611,706 km (0.082 R)
• M3: 1,087,876 km (0.093 R)
• M4: 1,493,735 km (0.038 R)
• M5: 1,870,871 km (0.079 R)
• M6: 2,437,548 km (0.066 R)
• M7: 2,856,123 km (0.116 R)
• M8: 3,686,989 km (0.03 R)
• M9: 4,944,958 km (0.092 R)
• M10: 5,397,940 km (0.055 R)
• M11: 7,774,452 km (0.056 R)
• M12: 8,965,700 km (0.093 R)
• M13: 10,161,286 km (0.116 R)
• M14: 10,582,703 km (0.107 R)
• M15: 11,419,553 km (0.06 R)
• M16: 12,128,797 km (0.06 R)
• M17: 12,603,321 km (0.063 R)
• M18: 14,771,892 km (0.102 R)
• M19: 17,124,917 km (0.075 R)
• M20: 18,110,318 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.6

Radius: 11.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.51 AU - 3.09 AU

Year: 3025 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,992,786 km

• M1: 145,559 km (0.072 R)
• M2: 617,091 km (0.071 R)
• M3: 1,023,848 km (0.087 R)
• M4: 1,421,928 km (0.097 R)
• M5: 1,836,613 km (0.11 R)
• M6: 2,242,322 km (0.115 R)
• M7: 2,720,736 km (0.091 R)
• M8: 3,267,068 km (0.119 R)
• M9: 3,676,368 km (0.086 R)
• M10: 4,673,437 km (0.092 R)
• M11: 5,627,872 km (0.105 R)
• M12: 7,221,987 km (0.111 R)
• M13: 9,157,484 km (0.097 R)
• M14: 10,008,397 km (0.062 R)
• M15: 10,878,159 km (0.082 R)
• M16: 11,658,312 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.1

Radius: 14.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.44 AU - 3.26 AU

Year: 3107 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,992,786 km

• M1: 180,265 km (0.058 R)
• M2: 643,720 km (0.116 R)
• M3: 1,104,032 km (0.058 R)
• M4: 2,289,595 km (0.107 R)
• M5: 4,027,324 km (0.1 R)
• M6: 4,623,921 km (0.109 R)
• M7: 6,476,391 km (0.074 R)
• M8: 10,701,932 km (0.082 R)
• M9: 11,267,263 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 8

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.55 AU - 3.47 AU

Year: 3372 Days

Day: 7.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 19,992,786 km

• M1: 99,483 km (0.044 R)
• M2: 469,737 km (0.052 R)
• M3: 923,468 km (0.105 R)
• M4: 1,191,098 km (0.039 R)
• M5: 1,583,942 km (0.09 R)
• M6: 1,973,346 km (0.101 R)
• M7: 2,383,094 km (0.102 R)
• M8: 2,753,947 km (0.079 R)
• M9: 4,482,999 km (0.075 R)
• M10: 4,886,614 km (0.086 R)
• M11: 7,432,172 km (0.104 R)
• M12: 8,458,413 km (0.118 R)
• M13: 9,649,212 km (0.03 R)
• M14: 10,828,941 km (0.104 R)
• M15: 11,433,167 km (0.112 R)
• M16: 12,796,901 km (0.096 R)
• M17: 14,893,665 km (0.114 R)
• M18: 15,239,236 km (0.059 R)
• M19: 15,539,628 km (0.03 R)
• M20: 17,865,277 km (0.11 R)
• M21: 18,594,567 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 145 - 14,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit