🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 9.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.64 AU - 1.04 AU

Year: 541 Days

Day: 6.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,155,313 km

• M1: 113,096 km (0.092 R)
• M2: 439,967 km (0.073 R)
• M3: 786,735 km (0.107 R)
• M4: 1,086,081 km (0.043 R)
• M5: 1,550,881 km (0.1 R)
• M6: 1,919,490 km (0.074 R)
• M7: 2,435,753 km (0.079 R)
• M8: 2,918,804 km (0.105 R)
• M9: 3,360,567 km (0.093 R)
• M10: 3,778,992 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 14.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.73 AU - 1.03 AU

Year: 580 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,155,313 km

• M1: 176,525 km (0.12 R)
• M2: 658,829 km (0.098 R)
• M3: 1,198,129 km (0.114 R)
• M4: 1,648,569 km (0.066 R)
• M5: 2,205,821 km (0.083 R)
• M6: 2,866,445 km (0.081 R)
• M7: 3,341,418 km (0.104 R)
• M8: 3,802,030 km (0.047 R)
• M9: 4,680,917 km (0.09 R)
• M10: 5,177,283 km (0.026 R)
• M11: 5,798,114 km (0.043 R)
• M12: 6,277,127 km (0.086 R)
• M13: 6,903,044 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.6

Radius: 14.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.01 AU - 1.31 AU

Year: 878 Days

Day: 12.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,155,313 km

• M1: 185,352 km (0.108 R)
• M2: 680,820 km (0.079 R)
• M3: 1,200,074 km (0.081 R)
• M4: 1,940,584 km (0.112 R)
• M5: 2,868,689 km (0.082 R)
• M6: 3,435,515 km (0.111 R)
• M7: 4,241,848 km (0.091 R)
• M8: 4,931,344 km (0.087 R)
• M9: 5,455,834 km (0.084 R)
• M10: 6,638,854 km (0.093 R)
• M11: 7,214,357 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 12.1

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.75 AU - 1.83 AU

Year: 1683 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,155,313 km

• M1: 150,495 km (0.096 R)
• M2: 736,470 km (0.027 R)
• M3: 1,225,207 km (0.11 R)
• M4: 1,930,261 km (0.065 R)
• M5: 3,160,853 km (0.068 R)
• M6: 4,290,018 km (0.111 R)
• M7: 5,759,518 km (0.09 R)
• M8: 6,145,481 km (0.108 R)
• M9: 6,818,970 km (0.034 R)
• M10: 7,921,058 km (0.083 R)
• M11: 10,179,088 km (0.038 R)
• M12: 10,950,265 km (0.075 R)
• M13: 12,124,159 km (0.119 R)
• M14: 12,533,609 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 9.1

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.83 AU - 3.07 AU

Year: 3562 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,155,313 km

• M1: 113,246 km (0.084 R)
• M2: 720,463 km (0.047 R)
• M3: 1,574,966 km (0.12 R)
• M4: 1,922,033 km (0.098 R)
• M5: 2,674,511 km (0.087 R)
• M6: 4,897,834 km (0.066 R)
• M7: 6,146,229 km (0.118 R)
• M8: 7,930,183 km (0.042 R)
• M9: 11,194,857 km (0.115 R)
• M10: 11,718,300 km (0.073 R)
• M11: 12,395,380 km (0.118 R)
• M12: 13,338,595 km (0.1 R)
• M13: 15,850,792 km (0.101 R)
• M14: 16,848,011 km (0.11 R)
• M15: 18,122,884 km (0.112 R)
• M16: 20,539,040 km (0.105 R)
• M17: 21,992,682 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.9

Radius: 10.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.78 AU - 5.1 AU

Year: 7718 Days

Day: 8.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,155,313 km

• M1: 135,536 km (0.093 R)
• M2: 700,567 km (0.114 R)
• M3: 1,404,425 km (0.079 R)
• M4: 1,818,512 km (0.067 R)
• M5: 2,285,706 km (0.042 R)
• M6: 4,819,146 km (0.073 R)
• M7: 10,850,334 km (0.09 R)
• M8: 12,711,780 km (0.105 R)
• M9: 14,576,218 km (0.062 R)
• M10: 15,184,932 km (0.062 R)
• M11: 15,810,401 km (0.08 R)
• M12: 18,662,484 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.1

Radius: 7

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.47 AU - 6.25 AU

Year: 9971 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,155,313 km

• M1: 87,066 km (0.09 R)
• M2: 364,720 km (0.115 R)
• M3: 731,833 km (0.109 R)
• M4: 1,625,082 km (0.062 R)
• M5: 2,655,063 km (0.103 R)
• M6: 3,332,293 km (0.088 R)
• M7: 4,629,905 km (0.058 R)
• M8: 5,055,510 km (0.066 R)
• M9: 5,742,613 km (0.105 R)
• M10: 7,300,974 km (0.111 R)
• M11: 7,544,520 km (0.081 R)
• M12: 8,048,066 km (0.089 R)
• M13: 8,845,124 km (0.116 R)
• M14: 13,211,437 km (0.087 R)
• M15: 14,445,021 km (0.076 R)
• M16: 21,365,568 km (0.038 R)
• M17: 25,673,987 km (0.048 R)
• M18: 26,333,264 km (0.11 R)
• M19: 29,083,472 km (0.051 R)
• M20: 33,670,741 km (0.034 R)
• M21: 35,843,051 km (0.042 R)
• M22: 38,841,142 km (0.1 R)
• M23: 40,972,762 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 13,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit