🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 11.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 7.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,383,242 km

• M1: 143,016 km (0.088 R)
• M2: 508,184 km (0.083 R)
• M3: 876,344 km (0.106 R)
• M4: 1,308,383 km (0.108 R)
• M5: 1,870,871 km (0.07 R)
• M6: 2,373,969 km (0.103 R)
• M7: 3,072,740 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 8.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.53 AU - 0.73 AU

Year: 345 Days

Day: 14.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,383,242 km

• M1: 102,026 km (0.092 R)
• M2: 392,994 km (0.103 R)
• M3: 663,467 km (0.086 R)
• M4: 1,008,290 km (0.118 R)
• M5: 1,337,106 km (0.094 R)
• M6: 1,712,148 km (0.113 R)
• M7: 2,215,245 km (0.108 R)
• M8: 2,920,150 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211

Radius: 13.6

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.98 AU - 0.98 AU

Year: 670 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,383,242 km

• M1: 169,195 km (0.113 R)
• M2: 678,875 km (0.094 R)
• M3: 1,285,644 km (0.051 R)
• M4: 1,867,281 km (0.045 R)
• M5: 2,297,973 km (0.119 R)
• M6: 2,988,068 km (0.114 R)
• M7: 3,503,133 km (0.101 R)
• M8: 4,077,290 km (0.098 R)
• M9: 4,671,343 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 12.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.95 AU - 1.07 AU

Year: 701 Days

Day: 11.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,383,242 km

• M1: 153,039 km (0.118 R)
• M2: 729,290 km (0.095 R)
• M3: 1,187,657 km (0.112 R)
• M4: 1,647,671 km (0.109 R)
• M5: 2,396,558 km (0.106 R)
• M6: 2,801,370 km (0.088 R)
• M7: 3,598,726 km (0.114 R)
• M8: 4,236,462 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 10.1

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.89 AU - 1.39 AU

Year: 840 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,383,242 km

• M1: 131,646 km (0.081 R)
• M2: 485,894 km (0.083 R)
• M3: 969,993 km (0.119 R)
• M4: 1,375,253 km (0.095 R)
• M5: 1,846,038 km (0.109 R)
• M6: 2,300,217 km (0.054 R)
• M7: 3,237,448 km (0.099 R)
• M8: 4,159,569 km (0.09 R)
• M9: 4,514,864 km (0.061 R)
• M10: 5,020,205 km (0.084 R)
• M11: 6,583,802 km (0.077 R)
• M12: 7,282,724 km (0.102 R)
• M13: 8,396,180 km (0.06 R)
• M14: 9,854,311 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.8

Radius: 11.5

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.76 AU - 5.78 AU

Year: 8351 Days

Day: 12.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,383,242 km

• M1: 143,165 km (0.117 R)
• M2: 560,094 km (0.108 R)
• M3: 935,136 km (0.1 R)
• M4: 2,142,242 km (0.044 R)
• M5: 2,521,173 km (0.054 R)
• M6: 3,542,328 km (0.068 R)
• M7: 4,664,910 km (0.109 R)
• M8: 5,829,679 km (0.116 R)
• M9: 7,248,316 km (0.073 R)
• M10: 7,672,276 km (0.104 R)
• M11: 12,025,874 km (0.085 R)
• M12: 13,872,061 km (0.069 R)
• M13: 14,416,747 km (0.047 R)
• M14: 14,919,246 km (0.114 R)
• M15: 15,782,575 km (0.088 R)
• M16: 18,118,696 km (0.094 R)
• M17: 19,302,164 km (0.113 R)
• M18: 20,888,351 km (0.101 R)
• M19: 22,115,502 km (0.081 R)
• M20: 23,773,944 km (0.085 R)
• M21: 27,252,693 km (0.086 R)
• M22: 28,716,957 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.8

Radius: 7.2

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.36 AU - 6.9 AU

Year: 9221 Days

Day: 19.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,383,242 km

• M1: 91,853 km (0.08 R)
• M2: 435,779 km (0.088 R)
• M3: 715,676 km (0.067 R)
• M4: 1,011,132 km (0.035 R)
• M5: 1,587,682 km (0.089 R)
• M6: 1,998,478 km (0.096 R)
• M7: 6,718,889 km (0.09 R)
• M8: 7,462,091 km (0.118 R)
• M9: 8,477,562 km (0.055 R)
• M10: 8,790,520 km (0.05 R)
• M11: 9,534,471 km (0.105 R)
• M12: 11,907,392 km (0.112 R)
• M13: 13,590,518 km (0.108 R)
• M14: 13,957,631 km (0.037 R)
• M15: 17,207,495 km (0.092 R)
• M16: 17,493,227 km (0.116 R)
• M17: 18,518,122 km (0.108 R)
• M18: 19,351,083 km (0.116 R)
• M19: 20,606,957 km (0.081 R)
• M20: 23,541,768 km (0.103 R)
• M21: 24,608,999 km (0.097 R)
• M22: 25,708,095 km (0.082 R)
• M23: 28,300,028 km (0.086 R)
• M24: 29,201,355 km (0.114 R)
• M25: 30,850,821 km (0.092 R)
• M26: 32,452,715 km (0.114 R)
• M27: 35,821,210 km (0.11 R)
• M28: 37,112,689 km (0.11 R)
• M29: 44,171,314 km (0.102 R)
• M30: 44,707,174 km (0.032 R)
• M31: 45,247,522 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 12,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit