🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.5

Radius: 14.6

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.95 AU

Year: 512 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,623,934 km

• M1: 181,612 km (0.103 R)
• M2: 880,832 km (0.071 R)
• M3: 1,452,296 km (0.106 R)
• M4: 2,380,551 km (0.109 R)
• M5: 2,842,659 km (0.091 R)
• M6: 3,518,692 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658

Radius: 10.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.78 AU - 0.92 AU

Year: 551 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,623,934 km

• M1: 134,339 km (0.031 R)
• M2: 471,532 km (0.059 R)
• M3: 993,629 km (0.089 R)
• M4: 1,584,241 km (0.076 R)
• M5: 2,608,688 km (0.109 R)
• M6: 3,597,081 km (0.077 R)
• M7: 4,098,832 km (0.114 R)
• M8: 4,646,809 km (0.114 R)
• M9: 5,077,053 km (0.117 R)
• M10: 5,763,408 km (0.095 R)
• M11: 6,491,052 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.7

Radius: 14.3

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.86 AU - 0.94 AU

Year: 600 Days

Day: 8.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,623,934 km

• M1: 177,872 km (0.102 R)
• M2: 683,213 km (0.109 R)
• M3: 1,703,321 km (0.098 R)
• M4: 2,188,318 km (0.035 R)
• M5: 2,688,872 km (0.026 R)
• M6: 3,342,615 km (0.11 R)
• M7: 3,940,558 km (0.107 R)
• M8: 4,561,389 km (0.09 R)
• M9: 5,442,520 km (0.069 R)
• M10: 5,962,522 km (0.095 R)
• M11: 6,576,771 km (0.115 R)
• M12: 7,124,449 km (0.102 R)
• M13: 7,588,801 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 11

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.15 AU - 1.35 AU

Year: 982 Days

Day: 7.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,623,934 km

• M1: 137,480 km (0.032 R)
• M2: 693,536 km (0.045 R)
• M3: 1,119,291 km (0.091 R)
• M4: 1,638,545 km (0.085 R)
• M5: 2,408,675 km (0.067 R)
• M6: 3,029,357 km (0.073 R)
• M7: 3,378,219 km (0.092 R)
• M8: 4,065,621 km (0.036 R)
• M9: 5,305,339 km (0.078 R)
• M10: 5,874,260 km (0.075 R)
• M11: 8,390,047 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 9.3

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.72 AU - 6.16 AU

Year: 7718 Days

Day: 5.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 29,623,934 km

• M1: 115,639 km (0.1 R)
• M2: 497,712 km (0.043 R)
• M3: 870,061 km (0.108 R)
• M4: 1,313,469 km (0.03 R)
• M5: 1,627,774 km (0.119 R)
• M6: 2,394,763 km (0.107 R)
• M7: 3,341,717 km (0.117 R)
• M8: 3,676,816 km (0.071 R)
• M9: 4,083,723 km (0.108 R)
• M10: 4,819,295 km (0.044 R)
• M11: 5,131,506 km (0.087 R)
• M12: 5,548,585 km (0.102 R)
• M13: 6,621,351 km (0.113 R)
• M14: 7,043,965 km (0.034 R)
• M15: 8,340,081 km (0.105 R)
• M16: 8,749,830 km (0.072 R)
• M17: 9,130,108 km (0.098 R)
• M18: 10,244,462 km (0.093 R)
• M19: 11,749,417 km (0.089 R)
• M20: 12,317,141 km (0.07 R)
• M21: 12,849,111 km (0.07 R)
• M22: 13,563,590 km (0.075 R)
• M23: 13,902,130 km (0.101 R)
• M24: 15,252,401 km (0.117 R)
• M25: 15,557,131 km (0.038 R)
• M26: 17,142,420 km (0.093 R)
• M27: 21,230,182 km (0.104 R)
• M28: 21,995,076 km (0.098 R)
• M29: 24,152,127 km (0.088 R)
• M30: 28,328,900 km (0.027 R)
• M31: 28,697,360 km (0.105 R)
• M32: 30,011,876 km (0.096 R)
• M33: 30,780,959 km (0.032 R)
• M34: 32,258,088 km (0.1 R)
• M35: 33,166,746 km (0.11 R)
• M36: 34,824,290 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 73.1

Radius: 6.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6 AU - 9.3 AU

Year: 14873 Days

Day: 15.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,623,934 km

• M1: 85,869 km (0.072 R)
• M2: 382,223 km (0.107 R)
• M3: 1,034,469 km (0.099 R)
• M4: 1,509,143 km (0.095 R)
• M5: 2,400,597 km (0.112 R)
• M6: 2,758,435 km (0.086 R)
• M7: 3,230,416 km (0.054 R)
• M8: 3,754,907 km (0.088 R)
• M9: 3,980,051 km (0.117 R)
• M10: 6,691,064 km (0.108 R)
• M11: 7,331,044 km (0.094 R)
• M12: 15,095,622 km (0.073 R)
• M13: 17,405,712 km (0.061 R)
• M14: 17,907,164 km (0.036 R)
• M15: 18,547,443 km (0.107 R)
• M16: 18,807,744 km (0.104 R)
• M17: 21,190,987 km (0.054 R)
• M18: 25,013,063 km (0.031 R)
• M19: 25,974,828 km (0.043 R)
• M20: 29,358,881 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit