🌌 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: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 11.7

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.67 AU - 1.07 AU

Year: 532 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,584,056 km

• M1: 145,559 km (0.096 R)
• M2: 530,025 km (0.087 R)
• M3: 953,238 km (0.112 R)
• M4: 1,436,140 km (0.094 R)
• M5: 1,805,497 km (0.107 R)
• M6: 2,297,075 km (0.109 R)
• M7: 2,775,938 km (0.064 R)
• M8: 3,196,757 km (0.079 R)
• M9: 3,619,820 km (0.11 R)
• M10: 4,501,550 km (0.099 R)
• M11: 5,171,000 km (0.119 R)
• M12: 5,794,075 km (0.085 R)
• M13: 6,832,434 km (0.055 R)
• M14: 7,407,039 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 11.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.93 AU - 1.23 AU

Year: 736 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,584,056 km

• M1: 141,819 km (0.103 R)
• M2: 521,648 km (0.103 R)
• M3: 915,240 km (0.119 R)
• M4: 1,601,146 km (0.105 R)
• M5: 2,152,564 km (0.084 R)
• M6: 3,423,398 km (0.113 R)
• M7: 5,140,931 km (0.061 R)
• M8: 5,939,035 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.8

Radius: 8.4

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.25 AU - 1.71 AU

Year: 1181 Days

Day: 11.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,584,056 km

• M1: 104,419 km (0.111 R)
• M2: 382,522 km (0.067 R)
• M3: 755,320 km (0.111 R)
• M4: 1,216,081 km (0.112 R)
• M5: 1,545,346 km (0.037 R)
• M6: 1,964,070 km (0.096 R)
• M7: 2,433,359 km (0.103 R)
• M8: 2,842,808 km (0.07 R)
• M9: 3,929,338 km (0.1 R)
• M10: 4,512,470 km (0.082 R)
• M11: 5,073,761 km (0.037 R)
• M12: 5,829,081 km (0.061 R)
• M13: 7,014,794 km (0.092 R)
• M14: 8,164,453 km (0.056 R)
• M15: 9,764,552 km (0.049 R)
• M16: 10,289,042 km (0.04 R)
• M17: 10,574,325 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 10.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.5 AU - 1.58 AU

Year: 1254 Days

Day: 5.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,584,056 km

• M1: 126,709 km (0.094 R)
• M2: 530,773 km (0.091 R)
• M3: 882,328 km (0.096 R)
• M4: 1,210,396 km (0.032 R)
• M5: 1,868,627 km (0.108 R)
• M6: 2,558,124 km (0.089 R)
• M7: 4,003,837 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 11.7

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.19 AU - 3.39 AU

Year: 3057 Days

Day: 13 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,584,056 km

• M1: 164,258 km (0.076 R)
• M2: 570,117 km (0.063 R)
• M3: 991,983 km (0.062 R)
• M4: 1,467,106 km (0.107 R)
• M5: 2,417,352 km (0.109 R)
• M6: 3,133,627 km (0.118 R)
• M7: 4,332,953 km (0.091 R)
• M8: 4,818,398 km (0.1 R)
• M9: 9,300,350 km (0.114 R)
• M10: 9,835,761 km (0.104 R)
• M11: 10,391,666 km (0.06 R)
• M12: 11,010,254 km (0.116 R)
• M13: 11,479,542 km (0.096 R)
• M14: 12,230,972 km (0.114 R)
• M15: 14,128,472 km (0.08 R)
• M16: 15,515,543 km (0.073 R)
• M17: 19,470,312 km (0.115 R)
• M18: 20,347,554 km (0.034 R)
• M19: 22,248,495 km (0.043 R)
• M20: 22,656,149 km (0.074 R)
• M21: 23,068,740 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 10.3

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.85 AU - 3.05 AU

Year: 3324 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,584,056 km

• M1: 128,056 km (0.063 R)
• M2: 492,177 km (0.111 R)
• M3: 822,040 km (0.109 R)
• M4: 1,502,112 km (0.115 R)
• M5: 2,086,142 km (0.106 R)
• M6: 3,277,689 km (0.094 R)
• M7: 4,492,274 km (0.1 R)
• M8: 6,389,923 km (0.092 R)
• M9: 7,095,427 km (0.112 R)
• M10: 7,616,028 km (0.094 R)
• M11: 8,267,377 km (0.04 R)
• M12: 8,588,563 km (0.05 R)
• M13: 9,525,046 km (0.063 R)
• M14: 10,281,263 km (0.091 R)
• M15: 10,611,426 km (0.097 R)
• M16: 10,991,255 km (0.091 R)
• M17: 11,380,209 km (0.081 R)
• M18: 12,933,334 km (0.114 R)
• M19: 15,094,126 km (0.08 R)
• M20: 19,799,428 km (0.108 R)
• M21: 20,898,075 km (0.094 R)
• M22: 22,310,578 km (0.096 R)
• M23: 23,216,393 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 18,491 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit