🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.7

Radius: 12.4

Gravity: 6.47 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.72 AU - 1.08 AU

Year: 579 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,286,307 km

• M1: 154,535 km (0.072 R)
• M2: 551,418 km (0.083 R)
• M3: 945,309 km (0.076 R)
• M4: 1,430,305 km (0.092 R)
• M5: 2,090,780 km (0.107 R)
• M6: 2,749,908 km (0.031 R)
• M7: 3,331,993 km (0.077 R)
• M8: 4,312,009 km (0.119 R)
• M9: 5,402,727 km (0.048 R)
• M10: 5,849,277 km (0.099 R)
• M11: 6,901,847 km (0.119 R)
• M12: 7,934,821 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 13.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.09 AU - 1.59 AU

Year: 1052 Days

Day: 6.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,286,307 km

• M1: 170,392 km (0.088 R)
• M2: 596,746 km (0.072 R)
• M3: 1,128,267 km (0.09 R)
• M4: 2,184,877 km (0.113 R)
• M5: 2,961,439 km (0.114 R)
• M6: 3,518,991 km (0.108 R)
• M7: 5,113,854 km (0.113 R)
• M8: 5,886,078 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.8

Radius: 9.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.16 AU - 1.66 AU

Year: 1136 Days

Day: 14.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,286,307 km

• M1: 123,119 km (0.11 R)
• M2: 499,806 km (0.101 R)
• M3: 1,050,027 km (0.061 R)
• M4: 1,456,186 km (0.096 R)
• M5: 1,806,993 km (0.118 R)
• M6: 2,552,588 km (0.07 R)
• M7: 3,035,042 km (0.085 R)
• M8: 3,742,191 km (0.099 R)
• M9: 4,338,189 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927

Radius: 12

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.14 AU - 2.16 AU

Year: 2138 Days

Day: 12.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,286,307 km

• M1: 149,897 km (0.081 R)
• M2: 562,189 km (0.089 R)
• M3: 1,308,383 km (0.12 R)
• M4: 1,708,108 km (0.063 R)
• M5: 2,430,517 km (0.116 R)
• M6: 3,261,533 km (0.09 R)
• M7: 3,669,337 km (0.108 R)
• M8: 4,763,346 km (0.077 R)
• M9: 5,219,919 km (0.03 R)
• M10: 5,933,800 km (0.076 R)
• M11: 6,436,149 km (0.071 R)
• M12: 7,771,011 km (0.113 R)
• M13: 8,938,473 km (0.073 R)
• M14: 9,743,309 km (0.082 R)
• M15: 11,297,332 km (0.109 R)
• M16: 12,154,528 km (0.114 R)
• M17: 13,186,753 km (0.031 R)
• M18: 13,724,258 km (0.06 R)
• M19: 15,132,423 km (0.046 R)
• M20: 16,123,210 km (0.116 R)
• M21: 17,156,781 km (0.106 R)
• M22: 17,689,948 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.2

Radius: 14.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.15 AU - 3.41 AU

Year: 4029 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,286,307 km

• M1: 182,809 km (0.086 R)
• M2: 759,808 km (0.064 R)
• M3: 1,346,231 km (0.099 R)
• M4: 2,109,480 km (0.12 R)
• M5: 2,882,751 km (0.096 R)
• M6: 3,453,018 km (0.1 R)
• M7: 4,369,455 km (0.081 R)
• M8: 5,800,059 km (0.107 R)
• M9: 6,623,745 km (0.102 R)
• M10: 7,865,108 km (0.078 R)
• M11: 8,541,590 km (0.107 R)
• M12: 9,768,591 km (0.117 R)
• M13: 13,200,367 km (0.112 R)
• M14: 14,054,570 km (0.111 R)
• M15: 16,380,069 km (0.12 R)
• M16: 17,248,634 km (0.066 R)
• M17: 18,951,956 km (0.118 R)
• M18: 20,235,655 km (0.062 R)
• M19: 21,576,501 km (0.035 R)
• M20: 24,212,266 km (0.031 R)
• M21: 25,416,080 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 8.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.37 AU - 5.39 AU

Year: 8464 Days

Day: 8.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,286,307 km

• M1: 104,419 km (0.073 R)
• M2: 410,945 km (0.077 R)
• M3: 773,122 km (0.118 R)
• M4: 1,311,525 km (0.038 R)
• M5: 1,942,379 km (0.096 R)
• M6: 2,667,031 km (0.1 R)
• M7: 2,958,747 km (0.092 R)
• M8: 4,039,143 km (0.114 R)
• M9: 4,921,471 km (0.078 R)
• M10: 5,423,521 km (0.06 R)
• M11: 5,959,231 km (0.102 R)
• M12: 6,256,931 km (0.115 R)
• M13: 8,627,309 km (0.07 R)
• M14: 10,174,750 km (0.12 R)
• M15: 12,265,978 km (0.1 R)
• M16: 13,809,828 km (0.104 R)
• M17: 17,145,412 km (0.103 R)
• M18: 17,817,106 km (0.088 R)
• M19: 19,428,575 km (0.084 R)
• M20: 20,011,109 km (0.107 R)
• M21: 20,906,751 km (0.043 R)
• M22: 22,458,680 km (0.073 R)
• M23: 23,836,775 km (0.119 R)
• M24: 25,702,859 km (0.086 R)
• M25: 26,493,633 km (0.03 R)
• M26: 27,572,982 km (0.066 R)
• M27: 30,108,516 km (0.058 R)
• M28: 30,594,560 km (0.063 R)
• M29: 33,103,466 km (0.073 R)
• M30: 34,460,917 km (0.068 R)
• M31: 35,099,700 km (0.081 R)
• M32: 36,952,619 km (0.088 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: 272 - 14,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit