🌌 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: 294

Radius: 14.5

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.72 AU

Year: 305 Days

Day: 10.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,901,880 km

• M1: 180,565 km (0.073 R)
• M2: 662,120 km (0.039 R)
• M3: 1,559,259 km (0.077 R)
• M4: 2,060,561 km (0.028 R)
• M5: 3,245,825 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.4

Radius: 8.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.17 AU - 1.65 AU

Year: 1156 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,901,880 km

• M1: 109,655 km (0.041 R)
• M2: 661,372 km (0.111 R)
• M3: 1,274,873 km (0.105 R)
• M4: 1,715,588 km (0.041 R)
• M5: 2,462,231 km (0.105 R)
• M6: 3,471,718 km (0.055 R)
• M7: 3,749,671 km (0.029 R)
• M8: 4,138,924 km (0.045 R)
• M9: 6,026,550 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.72 AU - 1.84 AU

Year: 1639 Days

Day: 9.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,901,880 km

• M1: 111,899 km (0.112 R)
• M2: 928,255 km (0.105 R)
• M3: 1,295,966 km (0.069 R)
• M4: 2,087,638 km (0.029 R)
• M5: 2,536,881 km (0.103 R)
• M6: 3,751,466 km (0.114 R)
• M7: 4,349,708 km (0.028 R)
• M8: 5,029,032 km (0.111 R)
• M9: 5,335,408 km (0.119 R)
• M10: 7,444,738 km (0.115 R)
• M11: 8,415,628 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 14.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.89 AU - 4.19 AU

Year: 4597 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,901,880 km

• M1: 182,958 km (0.072 R)
• M2: 651,798 km (0.064 R)
• M3: 1,258,417 km (0.118 R)
• M4: 2,354,371 km (0.037 R)
• M5: 3,295,192 km (0.108 R)
• M6: 3,752,812 km (0.079 R)
• M7: 4,990,136 km (0.109 R)
• M8: 5,519,114 km (0.077 R)
• M9: 6,871,030 km (0.1 R)
• M10: 7,399,709 km (0.114 R)
• M11: 13,222,058 km (0.09 R)
• M12: 13,749,391 km (0.087 R)
• M13: 15,626,844 km (0.084 R)
• M14: 16,544,627 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 10.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.08 AU - 5.68 AU

Year: 7441 Days

Day: 12.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,901,880 km

• M1: 130,599 km (0.1 R)
• M2: 540,048 km (0.118 R)
• M3: 1,235,230 km (0.108 R)
• M4: 1,605,933 km (0.06 R)
• M5: 2,687,376 km (0.062 R)
• M6: 3,215,606 km (0.116 R)
• M7: 3,560,429 km (0.11 R)
• M8: 4,099,879 km (0.058 R)
• M9: 6,018,921 km (0.119 R)
• M10: 6,961,238 km (0.114 R)
• M11: 7,692,472 km (0.039 R)
• M12: 8,474,121 km (0.091 R)
• M13: 8,884,318 km (0.067 R)
• M14: 9,524,597 km (0.092 R)
• M15: 10,287,247 km (0.066 R)
• M16: 15,018,280 km (0.032 R)
• M17: 15,803,818 km (0.076 R)
• M18: 16,489,724 km (0.116 R)
• M19: 18,189,755 km (0.094 R)
• M20: 23,988,019 km (0.074 R)
• M21: 24,314,740 km (0.115 R)
• M22: 24,727,481 km (0.066 R)
• M23: 33,080,428 km (0.103 R)
• M24: 33,791,616 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.7

Radius: 4.1

Gravity: 42.99 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.33 AU - 10.35 AU

Year: 22950 Days

Day: 22.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 156.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,901,880 km

• M1: 62,981 km (0.06 R)
• M2: 220,657 km (0.072 R)
• M3: 373,097 km (0.067 R)
• M4: 571,015 km (0.093 R)
• M5: 836,850 km (0.117 R)
• M6: 1,180,477 km (0.108 R)
• M7: 1,408,913 km (0.11 R)
• M8: 1,594,564 km (0.111 R)
• M9: 3,944,148 km (0.087 R)
• M10: 4,633,794 km (0.036 R)
• M11: 5,084,233 km (0.082 R)
• M12: 7,278,984 km (0.12 R)
• M13: 7,680,355 km (0.061 R)
• M14: 9,791,181 km (0.094 R)
• M15: 10,156,349 km (0.114 R)
• M16: 14,091,222 km (0.074 R)
• M17: 15,112,377 km (0.078 R)
• M18: 18,105,232 km (0.111 R)
• M19: 23,031,939 km (0.085 R)
• M20: 23,353,125 km (0.077 R)
• M21: 29,530,620 km (0.084 R)
• M22: 30,677,437 km (0.102 R)
• M23: 35,419,689 km (0.059 R)
• M24: 43,169,607 km (0.065 R)
• M25: 46,153,785 km (0.098 R)
• M26: 46,664,064 km (0.074 R)
• M27: 47,696,140 km (0.103 R)
• M28: 48,217,787 km (0.111 R)
• M29: 48,919,252 km (0.08 R)
• M30: 50,702,458 km (0.052 R)
• M31: 57,089,539 km (0.046 R)
• M32: 58,269,717 km (0.119 R)
• M33: 71,884,918 km (0.097 R)
• M34: 75,591,804 km (0.082 R)
• M35: 77,014,031 km (0.079 R)
• M36: 83,635,532 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 12,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit