🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.5

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.71 AU - 0.93 AU

Year: 504 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,306,726 km

• M1: 150,944 km (0.099 R)
• M2: 648,956 km (0.101 R)
• M3: 1,048,232 km (0.029 R)
• M4: 1,439,132 km (0.103 R)
• M5: 1,874,910 km (0.104 R)
• M6: 2,308,295 km (0.116 R)
• M7: 2,788,355 km (0.088 R)
• M8: 3,219,945 km (0.116 R)
• M9: 3,696,414 km (0.118 R)
• M10: 4,084,321 km (0.064 R)
• M11: 4,499,455 km (0.094 R)
• M12: 5,222,910 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 12.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.83 AU - 0.89 AU

Year: 541 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 164.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,306,726 km

• M1: 151,692 km (0.063 R)
• M2: 534,962 km (0.045 R)
• M3: 957,127 km (0.095 R)
• M4: 1,604,288 km (0.12 R)
• M5: 2,379,354 km (0.086 R)
• M6: 2,926,134 km (0.073 R)
• M7: 3,530,061 km (0.085 R)
• M8: 4,001,145 km (0.086 R)
• M9: 4,438,120 km (0.075 R)
• M10: 5,238,020 km (0.061 R)
• M11: 5,908,218 km (0.102 R)
• M12: 6,302,708 km (0.035 R)
• M13: 6,795,483 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624

Radius: 11.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.47 AU - 1.87 AU

Year: 1464 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,306,726 km

• M1: 144,212 km (0.073 R)
• M2: 562,488 km (0.102 R)
• M3: 1,618,200 km (0.088 R)
• M4: 2,187,420 km (0.079 R)
• M5: 2,928,378 km (0.069 R)
• M6: 3,697,611 km (0.114 R)
• M7: 4,210,133 km (0.099 R)
• M8: 4,653,990 km (0.111 R)
• M9: 5,336,455 km (0.114 R)
• M10: 7,600,320 km (0.078 R)
• M11: 8,232,820 km (0.115 R)
• M12: 9,140,579 km (0.052 R)
• M13: 9,697,532 km (0.038 R)
• M14: 10,113,714 km (0.074 R)
• M15: 11,329,047 km (0.088 R)
• M16: 12,376,980 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 13.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.17 AU - 4.61 AU

Year: 6239 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,306,726 km

• M1: 171,738 km (0.059 R)
• M2: 836,701 km (0.09 R)
• M3: 1,354,310 km (0.112 R)
• M4: 1,852,171 km (0.099 R)
• M5: 2,408,526 km (0.109 R)
• M6: 2,962,487 km (0.088 R)
• M7: 3,687,438 km (0.059 R)
• M8: 4,330,709 km (0.094 R)
• M9: 5,048,180 km (0.086 R)
• M10: 5,492,785 km (0.114 R)
• M11: 6,590,684 km (0.097 R)
• M12: 8,817,747 km (0.11 R)
• M13: 9,342,088 km (0.036 R)
• M14: 9,972,792 km (0.067 R)
• M15: 14,817,968 km (0.1 R)
• M16: 15,560,722 km (0.065 R)
• M17: 19,449,219 km (0.076 R)
• M18: 25,126,159 km (0.066 R)
• M19: 26,100,490 km (0.046 R)
• M20: 26,763,807 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693.5

Radius: 4.1

Gravity: 41.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.13 AU - 6.19 AU

Year: 9133 Days

Day: 23.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,306,726 km

• M1: 51,312 km (0.108 R)
• M2: 328,367 km (0.116 R)
• M3: 1,662,631 km (0.072 R)
• M4: 2,287,950 km (0.062 R)
• M5: 2,573,682 km (0.092 R)
• M6: 2,947,377 km (0.085 R)
• M7: 3,332,592 km (0.106 R)
• M8: 4,342,078 km (0.057 R)
• M9: 5,776,123 km (0.107 R)
• M10: 6,018,921 km (0.071 R)
• M11: 6,232,546 km (0.118 R)
• M12: 6,712,606 km (0.107 R)
• M13: 6,865,046 km (0.068 R)
• M14: 11,313,189 km (0.099 R)
• M15: 11,748,519 km (0.046 R)
• M16: 14,660,891 km (0.086 R)
• M17: 15,309,098 km (0.095 R)
• M18: 16,802,234 km (0.1 R)
• M19: 21,280,297 km (0.085 R)
• M20: 26,492,885 km (0.119 R)
• M21: 27,647,930 km (0.104 R)
• M22: 38,000,702 km (0.084 R)
• M23: 41,867,806 km (0.028 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 229 - 15,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit