🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.4

Radius: 12.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.82 AU - 0.9 AU

Year: 551 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,235,208 km

• M1: 151,692 km (0.073 R)
• M2: 534,064 km (0.074 R)
• M3: 1,335,460 km (0.116 R)
• M4: 2,220,631 km (0.055 R)
• M5: 3,097,574 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.2

Radius: 9.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.12 AU - 1.86 AU

Year: 1255 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,235,208 km

• M1: 119,828 km (0.077 R)
• M2: 497,263 km (0.117 R)
• M3: 782,098 km (0.096 R)
• M4: 1,295,817 km (0.064 R)
• M5: 1,963,173 km (0.072 R)
• M6: 2,391,621 km (0.084 R)
• M7: 3,237,448 km (0.046 R)
• M8: 3,678,612 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.2

Radius: 14.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.05 AU - 3.29 AU

Year: 3011 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,235,208 km

• M1: 181,761 km (0.041 R)
• M2: 722,109 km (0.1 R)
• M3: 1,196,633 km (0.092 R)
• M4: 1,760,917 km (0.029 R)
• M5: 2,275,384 km (0.112 R)
• M6: 3,410,682 km (0.119 R)
• M7: 3,891,489 km (0.096 R)
• M8: 4,373,793 km (0.063 R)
• M9: 6,545,954 km (0.108 R)
• M10: 7,356,924 km (0.105 R)
• M11: 8,715,572 km (0.092 R)
• M12: 9,622,733 km (0.103 R)
• M13: 10,235,786 km (0.108 R)
• M14: 11,038,677 km (0.115 R)
• M15: 12,188,786 km (0.119 R)
• M16: 12,724,944 km (0.057 R)
• M17: 14,928,222 km (0.082 R)
• M18: 15,803,519 km (0.102 R)
• M19: 17,263,893 km (0.1 R)
• M20: 17,826,980 km (0.081 R)
• M21: 18,286,245 km (0.116 R)
• M22: 19,956,506 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.1

Radius: 11

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.19 AU - 3.19 AU

Year: 3045 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,235,208 km

• M1: 136,732 km (0.096 R)
• M2: 695,032 km (0.097 R)
• M3: 1,072,018 km (0.093 R)
• M4: 1,630,617 km (0.088 R)
• M5: 2,403,739 km (0.047 R)
• M6: 2,969,368 km (0.093 R)
• M7: 3,388,691 km (0.118 R)
• M8: 4,042,284 km (0.12 R)
• M9: 5,049,975 km (0.075 R)
• M10: 6,460,683 km (0.102 R)
• M11: 8,376,583 km (0.083 R)
• M12: 9,394,148 km (0.083 R)
• M13: 9,969,501 km (0.107 R)
• M14: 11,350,290 km (0.063 R)
• M15: 12,045,022 km (0.077 R)
• M16: 14,917,152 km (0.093 R)
• M17: 17,780,455 km (0.054 R)
• M18: 18,383,185 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.1

Radius: 6.6

Gravity: 20.48 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.03 AU - 6.21 AU

Year: 10451 Days

Day: 15.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,235,208 km

• M1: 82,129 km (0.101 R)
• M2: 380,577 km (0.049 R)
• M3: 602,281 km (0.077 R)
• M4: 844,929 km (0.115 R)
• M5: 1,083,687 km (0.114 R)
• M6: 1,327,980 km (0.085 R)
• M7: 1,812,977 km (0.061 R)
• M8: 2,160,492 km (0.061 R)
• M9: 5,960,428 km (0.108 R)
• M10: 6,531,443 km (0.076 R)
• M11: 7,737,800 km (0.11 R)
• M12: 8,843,029 km (0.042 R)
• M13: 10,529,446 km (0.061 R)
• M14: 11,534,445 km (0.115 R)
• M15: 15,415,911 km (0.119 R)
• M16: 17,610,213 km (0.11 R)
• M17: 18,543,554 km (0.096 R)
• M18: 19,183,683 km (0.085 R)
• M19: 21,279,549 km (0.06 R)
• M20: 22,248,195 km (0.093 R)
• M21: 23,616,118 km (0.12 R)
• M22: 25,039,243 km (0.066 R)
• M23: 28,264,423 km (0.116 R)
• M24: 35,647,377 km (0.093 R)
• M25: 46,083,325 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.1

Radius: 8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.2 AU - 7.36 AU

Year: 13558 Days

Day: 21.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,235,208 km

• M1: 99,483 km (0.099 R)
• M2: 460,612 km (0.078 R)
• M3: 723,455 km (0.116 R)
• M4: 1,173,446 km (0.093 R)
• M5: 1,462,768 km (0.107 R)
• M6: 3,242,983 km (0.086 R)
• M7: 5,091,264 km (0.057 R)
• M8: 5,613,511 km (0.118 R)
• M9: 6,621,950 km (0.101 R)
• M10: 9,437,082 km (0.102 R)
• M11: 12,305,322 km (0.108 R)
• M12: 12,741,849 km (0.08 R)
• M13: 14,774,136 km (0.111 R)
• M14: 16,221,795 km (0.108 R)
• M15: 26,220,019 km (0.064 R)
• M16: 29,968,493 km (0.102 R)
• M17: 30,958,531 km (0.091 R)
• M18: 33,952,882 km (0.025 R)
• M19: 35,684,926 km (0.058 R)
• M20: 38,276,859 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.4

Radius: 6.3

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.95 AU - 11.55 AU

Year: 22652 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,235,208 km

• M1: 78,389 km (0.045 R)
• M2: 952,190 km (0.072 R)
• M3: 1,280,259 km (0.078 R)
• M4: 1,539,362 km (0.112 R)
• M5: 1,973,346 km (0.103 R)
• M6: 2,558,572 km (0.106 R)
• M7: 3,082,763 km (0.082 R)
• M8: 4,449,489 km (0.071 R)
• M9: 6,496,886 km (0.11 R)
• M10: 6,778,579 km (0.097 R)
• M11: 7,518,789 km (0.101 R)
• M12: 8,094,890 km (0.099 R)
• M13: 8,756,562 km (0.059 R)
• M14: 11,974,861 km (0.039 R)
• M15: 15,819,676 km (0.078 R)
• M16: 16,073,693 km (0.11 R)
• M17: 17,473,929 km (0.116 R)
• M18: 22,906,725 km (0.119 R)
• M19: 23,670,123 km (0.072 R)
• M20: 24,676,169 km (0.08 R)
• M21: 31,452,204 km (0.088 R)
• M22: 33,079,380 km (0.087 R)
• M23: 41,258,943 km (0.114 R)
• M24: 45,726,684 km (0.087 R)
• M25: 53,490,215 km (0.106 R)
• M26: 61,877,718 km (0.099 R)
• M27: 63,782,399 km (0.115 R)
• M28: 64,210,996 km (0.04 R)
• M29: 66,822,377 km (0.114 R)
• M30: 72,721,619 km (0.16 R)
• M31: 79,452,626 km (0.072 R)
• M32: 80,947,109 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 17,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit