🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.9

Radius: 11.1

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.42 AU - 0.62 AU

Year: 250 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,365,804 km

• M1: 138,079 km (0.11 R)
• M2: 509,231 km (0.093 R)
• M3: 994,676 km (0.061 R)
• M4: 1,444,367 km (0.12 R)
• M5: 1,935,497 km (0.038 R)
• M6: 2,519,378 km (0.116 R)
• M7: 3,117,620 km (0.025 R)
• M8: 3,509,716 km (0.113 R)
• M9: 4,160,317 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 12.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.15 AU - 1.29 AU

Year: 899 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,365,804 km

• M1: 156,629 km (0.107 R)
• M2: 676,182 km (0.076 R)
• M3: 1,110,465 km (0.082 R)
• M4: 1,982,321 km (0.093 R)
• M5: 2,492,301 km (0.086 R)
• M6: 3,127,194 km (0.091 R)
• M7: 3,608,899 km (0.111 R)
• M8: 4,047,819 km (0.054 R)
• M9: 4,506,037 km (0.031 R)
• M10: 5,213,336 km (0.081 R)
• M11: 5,854,961 km (0.086 R)
• M12: 6,506,311 km (0.104 R)
• M13: 6,981,882 km (0.108 R)
• M14: 7,503,680 km (0.118 R)
• M15: 7,978,653 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 8.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.18 AU - 1.66 AU

Year: 1128 Days

Day: 6.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,365,804 km

• M1: 111,301 km (0.075 R)
• M2: 464,352 km (0.058 R)
• M3: 762,949 km (0.115 R)
• M4: 1,047,484 km (0.082 R)
• M5: 1,476,980 km (0.082 R)
• M6: 1,757,177 km (0.064 R)
• M7: 2,485,868 km (0.063 R)
• M8: 2,834,281 km (0.096 R)
• M9: 3,130,635 km (0.059 R)
• M10: 3,432,822 km (0.114 R)
• M11: 4,335,945 km (0.106 R)
• M12: 4,657,730 km (0.109 R)
• M13: 5,309,079 km (0.064 R)
• M14: 5,847,182 km (0.082 R)
• M15: 7,655,821 km (0.086 R)
• M16: 8,814,007 km (0.095 R)
• M17: 9,215,079 km (0.09 R)
• M18: 9,748,844 km (0.087 R)
• M19: 10,619,803 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 13.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.56 AU - 2.44 AU

Year: 1886 Days

Day: 7.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,365,804 km

• M1: 168,896 km (0.103 R)
• M2: 662,270 km (0.07 R)
• M3: 1,113,607 km (0.119 R)
• M4: 1,579,006 km (0.09 R)
• M5: 2,153,162 km (0.056 R)
• M6: 2,594,027 km (0.111 R)
• M7: 3,140,359 km (0.107 R)
• M8: 4,241,698 km (0.056 R)
• M9: 4,861,781 km (0.087 R)
• M10: 6,021,613 km (0.105 R)
• M11: 7,576,384 km (0.072 R)
• M12: 9,706,359 km (0.063 R)
• M13: 11,648,139 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 14.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.81 AU - 2.35 AU

Year: 2000 Days

Day: 13.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,365,804 km

• M1: 175,628 km (0.07 R)
• M2: 619,784 km (0.12 R)
• M3: 1,081,593 km (0.106 R)
• M4: 2,376,213 km (0.086 R)
• M5: 2,968,471 km (0.111 R)
• M6: 4,599,985 km (0.1 R)
• M7: 5,220,666 km (0.064 R)
• M8: 6,823,757 km (0.1 R)
• M9: 8,345,766 km (0.09 R)
• M10: 10,751,599 km (0.071 R)
• M11: 11,291,348 km (0.049 R)
• M12: 12,466,888 km (0.051 R)
• M13: 13,019,652 km (0.112 R)
• M14: 13,500,161 km (0.101 R)
• M15: 14,358,104 km (0.12 R)
• M16: 15,108,637 km (0.109 R)
• M17: 16,944,352 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 9.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.15 AU - 3.93 AU

Year: 4442 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,365,804 km

• M1: 123,119 km (0.054 R)
• M2: 447,597 km (0.111 R)
• M3: 1,450,052 km (0.097 R)
• M4: 2,263,266 km (0.071 R)
• M5: 2,857,170 km (0.106 R)
• M6: 3,302,971 km (0.094 R)
• M7: 6,539,073 km (0.054 R)
• M8: 7,021,526 km (0.08 R)
• M9: 7,930,782 km (0.067 R)
• M10: 9,908,615 km (0.09 R)
• M11: 15,151,721 km (0.05 R)
• M12: 15,595,578 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 13.4

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.12 AU - 4.04 AU

Year: 4517 Days

Day: 11.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,365,804 km

• M1: 166,652 km (0.048 R)
• M2: 702,512 km (0.092 R)
• M3: 1,151,156 km (0.034 R)
• M4: 2,003,115 km (0.109 R)
• M5: 2,461,633 km (0.035 R)
• M6: 2,990,761 km (0.115 R)
• M7: 3,882,364 km (0.109 R)
• M8: 4,629,905 km (0.075 R)
• M9: 6,412,812 km (0.054 R)
• M10: 7,967,882 km (0.087 R)
• M11: 8,814,007 km (0.101 R)
• M12: 9,592,215 km (0.059 R)
• M13: 10,282,759 km (0.063 R)
• M14: 11,333,235 km (0.05 R)
• M15: 11,763,180 km (0.108 R)
• M16: 13,223,704 km (0.072 R)
• M17: 13,862,337 km (0.103 R)
• M18: 14,465,665 km (0.071 R)
• M19: 16,200,552 km (0.074 R)
• M20: 22,759,521 km (0.119 R)
• M21: 23,599,962 km (0.091 R)
• M22: 25,019,795 km (0.104 R)
• M23: 30,992,939 km (0.047 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: 435 - 14,152 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit