🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.7

Radius: 10.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 22,789,485 km

• M1: 134,488 km (0.104 R)
• M2: 756,217 km (0.075 R)
• M3: 1,405,622 km (0.07 R)
• M4: 2,075,820 km (0.075 R)
• M5: 2,928,827 km (0.096 R)
• M6: 3,284,421 km (0.107 R)
• M7: 3,736,057 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.9

Radius: 9.1

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1 AU - 1.26 AU

Year: 829 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,789,485 km

• M1: 113,246 km (0.075 R)
• M2: 439,967 km (0.045 R)
• M3: 882,478 km (0.089 R)
• M4: 1,274,424 km (0.092 R)
• M5: 1,593,068 km (0.064 R)
• M6: 2,405,983 km (0.071 R)
• M7: 5,266,593 km (0.118 R)
• M8: 5,732,441 km (0.077 R)
• M9: 7,087,050 km (0.072 R)
• M10: 8,330,806 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 11

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.3 AU - 1.9 AU

Year: 1397 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,789,485 km

• M1: 136,732 km (0.096 R)
• M2: 522,994 km (0.111 R)
• M3: 865,424 km (0.073 R)
• M4: 1,266,047 km (0.107 R)
• M5: 2,189,814 km (0.085 R)
• M6: 2,858,516 km (0.071 R)
• M7: 3,407,092 km (0.026 R)
• M8: 3,789,015 km (0.102 R)
• M9: 4,217,314 km (0.105 R)
• M10: 5,678,286 km (0.083 R)
• M11: 6,102,696 km (0.082 R)
• M12: 7,040,525 km (0.115 R)
• M13: 8,754,916 km (0.108 R)
• M14: 9,445,161 km (0.052 R)
• M15: 10,832,831 km (0.11 R)
• M16: 11,878,520 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 13.6

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.25 AU - 3.01 AU

Year: 2944 Days

Day: 14.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,789,485 km

• M1: 169,195 km (0.08 R)
• M2: 624,571 km (0.078 R)
• M3: 1,114,953 km (0.077 R)
• M4: 1,579,754 km (0.056 R)
• M5: 2,052,034 km (0.046 R)
• M6: 2,515,937 km (0.03 R)
• M7: 3,229,818 km (0.037 R)
• M8: 4,313,505 km (0.049 R)
• M9: 5,785,249 km (0.109 R)
• M10: 6,573,929 km (0.105 R)
• M11: 7,876,029 km (0.054 R)
• M12: 8,603,523 km (0.093 R)
• M13: 9,092,409 km (0.106 R)
• M14: 9,696,934 km (0.081 R)
• M15: 12,815,302 km (0.053 R)
• M16: 13,494,775 km (0.078 R)
• M17: 14,030,485 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.2

Radius: 13

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.69 AU - 3.97 AU

Year: 5174 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,789,485 km

• M1: 161,715 km (0.052 R)
• M2: 648,058 km (0.028 R)
• M3: 1,919,939 km (0.083 R)
• M4: 2,525,661 km (0.116 R)
• M5: 3,115,824 km (0.084 R)
• M6: 3,842,421 km (0.083 R)
• M7: 4,785,636 km (0.095 R)
• M8: 5,226,501 km (0.118 R)
• M9: 7,199,398 km (0.114 R)
• M10: 8,159,517 km (0.106 R)
• M11: 10,065,094 km (0.098 R)
• M12: 10,561,759 km (0.09 R)
• M13: 12,507,130 km (0.102 R)
• M14: 14,004,156 km (0.065 R)
• M15: 14,969,511 km (0.1 R)
• M16: 16,531,313 km (0.031 R)
• M17: 19,210,910 km (0.047 R)
• M18: 20,546,071 km (0.064 R)
• M19: 21,717,572 km (0.106 R)
• M20: 22,778,819 km (0.12 R)
• M21: 23,400,548 km (0.105 R)
• M22: 25,416,678 km (0.058 R)
• M23: 26,339,547 km (0.065 R)
• M24: 28,074,584 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.1

Radius: 12.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.79 AU - 4.17 AU

Year: 5481 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,789,485 km

• M1: 172,786 km (0.096 R)
• M2: 626,516 km (0.038 R)
• M3: 1,504,955 km (0.075 R)
• M4: 2,784,316 km (0.071 R)
• M5: 4,504,990 km (0.119 R)
• M6: 6,849,189 km (0.118 R)
• M7: 8,385,110 km (0.048 R)
• M8: 8,916,931 km (0.066 R)
• M9: 10,048,639 km (0.053 R)
• M10: 11,322,913 km (0.108 R)
• M11: 12,702,206 km (0.091 R)
• M12: 16,605,064 km (0.056 R)
• M13: 18,587,386 km (0.087 R)
• M14: 19,071,634 km (0.085 R)
• M15: 28,835,738 km (0.105 R)
• M16: 29,766,835 km (0.047 R)
• M17: 30,525,894 km (0.083 R)
• M18: 31,590,882 km (0.109 R)
• M19: 32,881,014 km (0.026 R)
• M20: 33,794,757 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 9.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.25 AU - 5.97 AU

Year: 7973 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,789,485 km

• M1: 205,847 km (0.106 R)
• M2: 688,449 km (0.079 R)
• M3: 1,352,365 km (0.113 R)
• M4: 1,797,867 km (0.117 R)
• M5: 4,294,656 km (0.092 R)
• M6: 14,288,392 km (0.092 R)
• M7: 15,410,525 km (0.059 R)
• M8: 20,176,265 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 12,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit