🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 11.4

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.99 AU - 1.17 AU

Year: 714 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,495,474 km

• M1: 141,819 km (0.119 R)
• M2: 705,354 km (0.071 R)
• M3: 1,120,488 km (0.079 R)
• M4: 1,794,726 km (0.087 R)
• M5: 2,184,877 km (0.085 R)
• M6: 3,038,183 km (0.039 R)
• M7: 3,978,705 km (0.067 R)
• M8: 4,583,380 km (0.112 R)
• M9: 5,157,536 km (0.115 R)
• M10: 5,877,551 km (0.092 R)
• M11: 7,309,202 km (0.092 R)
• M12: 7,850,597 km (0.07 R)
• M13: 8,218,009 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 8.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.06 AU - 1.34 AU

Year: 836 Days

Day: 10.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 31,495,474 km

• M1: 106,962 km (0.069 R)
• M2: 383,868 km (0.113 R)
• M3: 654,640 km (0.085 R)
• M4: 2,102,149 km (0.071 R)
• M5: 2,508,307 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 10.2

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.75 AU - 2.03 AU

Year: 1652 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,495,474 km

• M1: 130,150 km (0.108 R)
• M2: 574,605 km (0.082 R)
• M3: 966,851 km (0.105 R)
• M4: 1,300,604 km (0.112 R)
• M5: 1,656,497 km (0.086 R)
• M6: 2,078,064 km (0.083 R)
• M7: 2,410,171 km (0.086 R)
• M8: 2,751,554 km (0.085 R)
• M9: 3,154,421 km (0.111 R)
• M10: 4,149,396 km (0.117 R)
• M11: 5,299,953 km (0.111 R)
• M12: 5,683,522 km (0.036 R)
• M13: 6,131,418 km (0.116 R)
• M14: 6,972,009 km (0.065 R)
• M15: 7,914,924 km (0.068 R)
• M16: 9,240,810 km (0.107 R)
• M17: 11,324,260 km (0.106 R)
• M18: 12,587,314 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.9

Radius: 12.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.39 AU - 2.69 AU

Year: 2574 Days

Day: 8.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,495,474 km

• M1: 169,943 km (0.085 R)
• M2: 725,699 km (0.109 R)
• M3: 1,367,474 km (0.085 R)
• M4: 1,981,274 km (0.105 R)
• M5: 2,968,471 km (0.055 R)
• M6: 3,707,933 km (0.076 R)
• M7: 4,132,342 km (0.104 R)
• M8: 6,139,497 km (0.084 R)
• M9: 6,678,199 km (0.096 R)
• M10: 8,047,617 km (0.09 R)
• M11: 9,155,539 km (0.078 R)
• M12: 11,004,719 km (0.069 R)
• M13: 12,148,095 km (0.12 R)
• M14: 12,591,204 km (0.067 R)
• M15: 13,137,236 km (0.099 R)
• M16: 16,213,716 km (0.088 R)
• M17: 17,580,143 km (0.105 R)
• M18: 20,541,134 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.5

Radius: 7

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.25 AU - 6.75 AU

Year: 10537 Days

Day: 23.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,495,474 km

• M1: 87,365 km (0.085 R)
• M2: 416,929 km (0.113 R)
• M3: 743,651 km (0.083 R)
• M4: 1,054,815 km (0.12 R)
• M5: 1,334,263 km (0.066 R)
• M6: 1,604,587 km (0.106 R)
• M7: 1,846,935 km (0.063 R)
• M8: 4,045,575 km (0.065 R)
• M9: 4,860,136 km (0.065 R)
• M10: 5,372,359 km (0.11 R)
• M11: 5,955,192 km (0.052 R)
• M12: 8,946,252 km (0.061 R)
• M13: 10,064,646 km (0.083 R)
• M14: 11,382,752 km (0.078 R)
• M15: 12,226,784 km (0.089 R)
• M16: 13,663,073 km (0.028 R)
• M17: 17,445,056 km (0.052 R)
• M18: 17,962,067 km (0.109 R)
• M19: 21,031,516 km (0.062 R)
• M20: 24,709,379 km (0.118 R)
• M21: 27,485,318 km (0.094 R)
• M22: 27,883,846 km (0.07 R)
• M23: 30,462,465 km (0.086 R)
• M24: 34,679,778 km (0.106 R)
• M25: 35,614,615 km (0.077 R)
• M26: 40,542,369 km (0.06 R)
• M27: 44,935,161 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.2

Radius: 7.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.06 AU - 7.14 AU

Year: 10781 Days

Day: 15.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,495,474 km

• M1: 90,357 km (0.119 R)
• M2: 348,413 km (0.091 R)
• M3: 863,479 km (0.118 R)
• M4: 1,654,702 km (0.115 R)
• M5: 4,182,457 km (0.119 R)
• M6: 6,638,555 km (0.096 R)
• M7: 7,044,265 km (0.065 R)
• M8: 7,430,526 km (0.119 R)
• M9: 7,756,949 km (0.085 R)
• M10: 8,754,318 km (0.061 R)
• M11: 9,705,461 km (0.097 R)
• M12: 11,569,151 km (0.071 R)
• M13: 12,256,853 km (0.096 R)
• M14: 12,610,652 km (0.116 R)
• M15: 13,233,278 km (0.066 R)
• M16: 18,177,188 km (0.115 R)
• M17: 21,273,715 km (0.1 R)
• M18: 28,487,773 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 11,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit