🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 13.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.54 AU - 0.88 AU

Year: 406 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 74.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,236,875 km

• M1: 166,652 km (0.052 R)
• M2: 603,777 km (0.061 R)
• M3: 1,069,026 km (0.117 R)
• M4: 1,671,906 km (0.054 R)
• M5: 2,164,083 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 8.7

Gravity: 12.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.04 AU - 1.52 AU

Year: 982 Days

Day: 12.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,236,875 km

• M1: 108,159 km (0.069 R)
• M2: 558,449 km (0.119 R)
• M3: 1,229,994 km (0.076 R)
• M4: 1,545,196 km (0.109 R)
• M5: 1,944,324 km (0.053 R)
• M6: 2,376,512 km (0.094 R)
• M7: 2,653,118 km (0.085 R)
• M8: 3,144,098 km (0.111 R)
• M9: 3,585,562 km (0.107 R)
• M10: 4,101,525 km (0.057 R)
• M11: 5,423,372 km (0.096 R)
• M12: 5,906,872 km (0.1 R)
• M13: 7,130,882 km (0.114 R)
• M14: 7,404,795 km (0.05 R)
• M15: 8,026,973 km (0.049 R)
• M16: 8,767,931 km (0.081 R)
• M17: 9,053,813 km (0.078 R)
• M18: 9,613,907 km (0.068 R)
• M19: 9,979,524 km (0.105 R)
• M20: 10,354,417 km (0.095 R)
• M21: 10,641,645 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.2

Radius: 13.2

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.53 AU - 2.01 AU

Year: 1597 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,236,875 km

• M1: 167,550 km (0.047 R)
• M2: 620,682 km (0.117 R)
• M3: 1,093,112 km (0.119 R)
• M4: 1,663,528 km (0.037 R)
• M5: 2,220,780 km (0.085 R)
• M6: 2,942,590 km (0.038 R)
• M7: 3,574,641 km (0.104 R)
• M8: 4,120,075 km (0.09 R)
• M9: 5,442,071 km (0.12 R)
• M10: 6,212,800 km (0.114 R)
• M11: 7,156,014 km (0.118 R)
• M12: 8,996,816 km (0.102 R)
• M13: 9,916,244 km (0.104 R)
• M14: 11,376,768 km (0.07 R)
• M15: 12,050,108 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 9.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.83 AU - 1.93 AU

Year: 1748 Days

Day: 11.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,236,875 km

• M1: 113,545 km (0.084 R)
• M2: 435,031 km (0.05 R)
• M3: 769,831 km (0.078 R)
• M4: 1,072,318 km (0.117 R)
• M5: 1,526,796 km (0.116 R)
• M6: 1,877,154 km (0.056 R)
• M7: 2,415,706 km (0.095 R)
• M8: 2,867,043 km (0.107 R)
• M9: 3,342,465 km (0.056 R)
• M10: 3,939,211 km (0.032 R)
• M11: 5,152,749 km (0.071 R)
• M12: 5,697,734 km (0.064 R)
• M13: 7,510,860 km (0.108 R)
• M14: 7,982,991 km (0.065 R)
• M15: 8,298,792 km (0.083 R)
• M16: 9,841,446 km (0.108 R)
• M17: 10,474,993 km (0.054 R)
• M18: 12,121,467 km (0.08 R)
• M19: 13,164,613 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.8

Radius: 12.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.48 AU - 3.74 AU

Year: 3720 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,236,875 km

• M1: 151,692 km (0.093 R)
• M2: 672,592 km (0.094 R)
• M3: 1,424,471 km (0.108 R)
• M4: 1,999,226 km (0.095 R)
• M5: 2,599,712 km (0.081 R)
• M6: 3,111,187 km (0.094 R)
• M7: 4,338,637 km (0.118 R)
• M8: 5,084,383 km (0.03 R)
• M9: 5,465,409 km (0.067 R)
• M10: 9,641,433 km (0.089 R)
• M11: 11,586,804 km (0.091 R)
• M12: 12,570,859 km (0.05 R)
• M13: 14,615,562 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.3

Radius: 12.1

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.28 AU - 4.73 AU

Year: 6475 Days

Day: 7.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,236,875 km

• M1: 150,495 km (0.109 R)
• M2: 528,230 km (0.082 R)
• M3: 1,205,759 km (0.046 R)
• M4: 1,741,618 km (0.108 R)
• M5: 2,228,260 km (0.101 R)
• M6: 2,944,086 km (0.097 R)
• M7: 4,055,149 km (0.095 R)
• M8: 6,688,970 km (0.09 R)
• M9: 7,855,833 km (0.105 R)
• M10: 8,892,097 km (0.1 R)
• M11: 10,301,010 km (0.052 R)
• M12: 14,618,106 km (0.078 R)
• M13: 15,543,967 km (0.114 R)
• M14: 16,182,600 km (0.043 R)
• M15: 19,568,299 km (0.101 R)
• M16: 21,465,798 km (0.069 R)
• M17: 22,742,766 km (0.114 R)
• M18: 27,705,226 km (0.091 R)
• M19: 28,172,121 km (0.119 R)
• M20: 32,926,791 km (0.076 R)
• M21: 35,493,591 km (0.111 R)
• M22: 36,378,013 km (0.066 R)
• M23: 39,236,829 km (0.085 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 15,029 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit