🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 11.9

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.69 AU - 1.05 AU

Year: 541 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,939,652 km

• M1: 147,952 km (0.098 R)
• M2: 597,793 km (0.102 R)
• M3: 1,112,859 km (0.037 R)
• M4: 1,486,554 km (0.115 R)
• M5: 2,135,510 km (0.104 R)
• M6: 2,726,272 km (0.101 R)
• M7: 3,359,370 km (0.081 R)
• M8: 4,088,360 km (0.108 R)
• M9: 4,609,709 km (0.06 R)
• M10: 5,140,632 km (0.082 R)
• M11: 5,656,744 km (0.09 R)
• M12: 6,345,343 km (0.112 R)
• M13: 6,897,808 km (0.095 R)
• M14: 7,393,725 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.7

Radius: 11.5

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.82 AU - 0.98 AU

Year: 569 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,939,652 km

• M1: 143,016 km (0.06 R)
• M2: 525,687 km (0.05 R)
• M3: 913,744 km (0.029 R)
• M4: 1,388,567 km (0.029 R)
• M5: 2,390,275 km (0.092 R)
• M6: 3,030,404 km (0.094 R)
• M7: 3,676,667 km (0.074 R)
• M8: 4,237,958 km (0.114 R)
• M9: 4,607,764 km (0.059 R)
• M10: 4,999,262 km (0.076 R)
• M11: 6,104,042 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 13.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.25 AU - 2.05 AU

Year: 1413 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,939,652 km

• M1: 167,250 km (0.037 R)
• M2: 821,891 km (0.059 R)
• M3: 1,440,179 km (0.082 R)
• M4: 1,939,686 km (0.093 R)
• M5: 2,407,927 km (0.05 R)
• M6: 4,662,666 km (0.118 R)
• M7: 5,408,262 km (0.053 R)
• M8: 5,978,829 km (0.03 R)
• M9: 6,637,957 km (0.115 R)
• M10: 7,138,212 km (0.105 R)
• M11: 7,583,116 km (0.078 R)
• M12: 12,317,141 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.9

Radius: 10.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.63 AU - 1.83 AU

Year: 1517 Days

Day: 13.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,939,652 km

• M1: 134,339 km (0.103 R)
• M2: 571,913 km (0.051 R)
• M3: 944,561 km (0.111 R)
• M4: 1,527,544 km (0.039 R)
• M5: 2,338,963 km (0.095 R)
• M6: 2,749,010 km (0.094 R)
• M7: 3,265,871 km (0.028 R)
• M8: 3,797,243 km (0.119 R)
• M9: 4,188,740 km (0.114 R)
• M10: 7,186,083 km (0.055 R)
• M11: 7,734,360 km (0.1 R)
• M12: 9,272,974 km (0.071 R)
• M13: 10,670,068 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323

Radius: 14.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.62 AU - 3.54 AU

Year: 3605 Days

Day: 13.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,939,652 km

• M1: 184,155 km (0.111 R)
• M2: 650,003 km (0.052 R)
• M3: 1,170,903 km (0.067 R)
• M4: 1,810,882 km (0.103 R)
• M5: 2,279,423 km (0.059 R)
• M6: 3,523,329 km (0.085 R)
• M7: 4,536,705 km (0.051 R)
• M8: 6,824,954 km (0.072 R)
• M9: 8,463,200 km (0.053 R)
• M10: 9,029,877 km (0.09 R)
• M11: 9,586,232 km (0.061 R)
• M12: 10,128,524 km (0.113 R)
• M13: 11,756,897 km (0.111 R)
• M14: 13,154,440 km (0.09 R)
• M15: 13,916,342 km (0.067 R)
• M16: 14,378,151 km (0.113 R)
• M17: 15,138,407 km (0.064 R)
• M18: 17,849,719 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 10.8

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.33 AU - 4.33 AU

Year: 4998 Days

Day: 6.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,939,652 km

• M1: 141,370 km (0.034 R)
• M2: 664,065 km (0.083 R)
• M3: 1,002,455 km (0.1 R)
• M4: 2,043,208 km (0.102 R)
• M5: 2,997,193 km (0.06 R)
• M6: 3,542,777 km (0.077 R)
• M7: 4,201,606 km (0.099 R)
• M8: 4,994,175 km (0.117 R)
• M9: 5,556,663 km (0.116 R)
• M10: 7,790,309 km (0.114 R)
• M11: 10,077,810 km (0.062 R)
• M12: 10,656,604 km (0.107 R)
• M13: 11,734,607 km (0.113 R)
• M14: 12,576,992 km (0.102 R)
• M15: 14,605,390 km (0.096 R)
• M16: 15,058,821 km (0.109 R)
• M17: 15,638,662 km (0.1 R)
• M18: 16,781,590 km (0.061 R)
• M19: 17,468,095 km (0.071 R)
• M20: 22,885,632 km (0.097 R)
• M21: 23,730,112 km (0.039 R)
• M22: 25,318,542 km (0.093 R)
• M23: 27,832,385 km (0.095 R)
• M24: 28,354,481 km (0.08 R)
• M25: 30,784,848 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.7

Radius: 6.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.24 AU - 6.68 AU

Year: 9703 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,939,652 km

• M1: 81,082 km (0.092 R)
• M2: 654,640 km (0.071 R)
• M3: 964,457 km (0.107 R)
• M4: 2,048,444 km (0.085 R)
• M5: 2,588,642 km (0.069 R)
• M6: 2,814,235 km (0.059 R)
• M7: 3,948,187 km (0.112 R)
• M8: 4,456,521 km (0.12 R)
• M9: 10,065,543 km (0.099 R)
• M10: 12,699,363 km (0.076 R)
• M11: 13,188,099 km (0.114 R)
• M12: 13,520,955 km (0.101 R)
• M13: 15,330,191 km (0.059 R)
• M14: 16,451,577 km (0.082 R)
• M15: 18,996,835 km (0.071 R)
• M16: 22,572,224 km (0.112 R)
• M17: 27,192,255 km (0.034 R)
• M18: 31,806,452 km (0.05 R)
• M19: 32,606,202 km (0.032 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit