🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.3

Radius: 9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.52 AU - 0.78 AU

Year: 349 Days

Day: 9.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,720,312 km

• M1: 112,049 km (0.073 R)
• M2: 419,024 km (0.103 R)
• M3: 778,358 km (0.12 R)
• M4: 1,141,133 km (0.079 R)
• M5: 1,702,125 km (0.1 R)
• M6: 1,986,510 km (0.088 R)
• M7: 2,412,864 km (0.112 R)
• M8: 3,038,183 km (0.047 R)
• M9: 3,638,519 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.8

Radius: 9.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.77 AU - 0.83 AU

Year: 477 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,720,312 km

• M1: 116,836 km (0.079 R)
• M2: 527,781 km (0.082 R)
• M3: 844,779 km (0.063 R)
• M4: 1,398,441 km (0.109 R)
• M5: 1,791,883 km (0.086 R)
• M6: 2,140,446 km (0.095 R)
• M7: 2,631,127 km (0.117 R)
• M8: 3,309,254 km (0.107 R)
• M9: 3,678,462 km (0.03 R)
• M10: 4,015,057 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 9.6

Gravity: 9.2 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.17 AU

Year: 657 Days

Day: 12.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,720,312 km

• M1: 119,379 km (0.112 R)
• M2: 432,637 km (0.049 R)
• M3: 776,114 km (0.09 R)
• M4: 1,195,885 km (0.071 R)
• M5: 1,697,936 km (0.082 R)
• M6: 2,155,406 km (0.114 R)
• M7: 2,515,787 km (0.03 R)
• M8: 3,063,166 km (0.061 R)
• M9: 5,191,944 km (0.097 R)
• M10: 5,729,150 km (0.116 R)
• M11: 6,181,085 km (0.112 R)
• M12: 6,763,320 km (0.089 R)
• M13: 7,704,739 km (0.071 R)
• M14: 8,037,146 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 11.1

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.52 AU

Year: 943 Days

Day: 13.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 22,720,312 km

• M1: 139,874 km (0.096 R)
• M2: 746,493 km (0.059 R)
• M3: 1,108,819 km (0.084 R)
• M4: 1,720,675 km (0.07 R)
• M5: 2,223,922 km (0.085 R)
• M6: 2,682,888 km (0.059 R)
• M7: 3,542,029 km (0.094 R)
• M8: 3,986,783 km (0.111 R)
• M9: 4,348,212 km (0.044 R)
• M10: 5,709,403 km (0.033 R)
• M11: 6,132,615 km (0.079 R)
• M12: 6,756,289 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903

Radius: 14.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.25 AU - 3.23 AU

Year: 3025 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,720,312 km

• M1: 176,525 km (0.1 R)
• M2: 904,319 km (0.084 R)
• M3: 1,517,970 km (0.081 R)
• M4: 2,220,032 km (0.118 R)
• M5: 3,097,125 km (0.066 R)
• M6: 3,675,919 km (0.104 R)
• M7: 4,415,980 km (0.045 R)
• M8: 5,077,950 km (0.048 R)
• M9: 8,101,173 km (0.069 R)
• M10: 8,804,283 km (0.105 R)
• M11: 9,282,697 km (0.05 R)
• M12: 10,172,057 km (0.107 R)
• M13: 10,949,068 km (0.114 R)
• M14: 14,816,024 km (0.061 R)
• M15: 16,031,057 km (0.111 R)
• M16: 23,052,284 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 11.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.7 AU - 4.12 AU

Year: 4199 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 22,720,312 km

• M1: 138,228 km (0.081 R)
• M2: 627,862 km (0.08 R)
• M3: 1,061,247 km (0.111 R)
• M4: 1,459,477 km (0.102 R)
• M5: 2,028,398 km (0.073 R)
• M6: 2,389,527 km (0.106 R)
• M7: 2,793,890 km (0.034 R)
• M8: 4,867,017 km (0.105 R)
• M9: 6,173,455 km (0.107 R)
• M10: 6,842,307 km (0.11 R)
• M11: 7,211,665 km (0.118 R)
• M12: 8,438,217 km (0.076 R)
• M13: 9,061,442 km (0.089 R)
• M14: 11,914,124 km (0.09 R)
• M15: 13,206,650 km (0.118 R)
• M16: 14,700,833 km (0.096 R)
• M17: 15,893,427 km (0.086 R)
• M18: 19,655,365 km (0.045 R)
• M19: 21,030,917 km (0.032 R)
• M20: 22,249,691 km (0.113 R)
• M21: 23,667,131 km (0.035 R)
• M22: 24,592,693 km (0.112 R)
• M23: 25,223,099 km (0.088 R)
• M24: 26,763,508 km (0.059 R)
• M25: 28,884,656 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 9.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.83 AU - 4.29 AU

Year: 4479 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,720,312 km

• M1: 119,379 km (0.085 R)
• M2: 559,346 km (0.118 R)
• M3: 1,460,075 km (0.11 R)
• M4: 1,770,042 km (0.101 R)
• M5: 3,030,105 km (0.114 R)
• M6: 5,584,339 km (0.102 R)
• M7: 6,886,588 km (0.075 R)
• M8: 7,641,310 km (0.094 R)
• M9: 8,174,327 km (0.116 R)
• M10: 9,654,149 km (0.112 R)
• M11: 10,198,087 km (0.11 R)
• M12: 11,821,673 km (0.073 R)
• M13: 14,899,798 km (0.117 R)
• M14: 17,150,797 km (0.116 R)
• M15: 19,435,755 km (0.107 R)
• M16: 21,587,122 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 12,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit