🌌 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: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 10.7

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.76 AU - 1 AU

Year: 550 Days

Day: 14.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,321,245 km

• M1: 133,142 km (0.068 R)
• M2: 551,717 km (0.069 R)
• M3: 1,049,728 km (0.082 R)
• M4: 1,436,439 km (0.091 R)
• M5: 1,798,765 km (0.069 R)
• M6: 2,296,327 km (0.09 R)
• M7: 2,754,994 km (0.105 R)
• M8: 3,444,940 km (0.065 R)
• M9: 3,831,052 km (0.119 R)
• M10: 4,189,189 km (0.055 R)
• M11: 4,539,547 km (0.102 R)
• M12: 5,366,824 km (0.118 R)
• M13: 6,161,188 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 12.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.98 AU - 1.48 AU

Year: 910 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,321,245 km

• M1: 155,432 km (0.108 R)
• M2: 1,028,485 km (0.055 R)
• M3: 1,526,945 km (0.039 R)
• M4: 1,963,322 km (0.073 R)
• M5: 3,592,294 km (0.069 R)
• M6: 7,212,263 km (0.059 R)
• M7: 7,680,803 km (0.098 R)
• M8: 8,489,230 km (0.048 R)
• M9: 9,324,884 km (0.089 R)
• M10: 9,792,527 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 13.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.5 AU - 1.76 AU

Year: 1388 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,321,245 km

• M1: 171,140 km (0.096 R)
• M2: 695,780 km (0.083 R)
• M3: 1,157,588 km (0.063 R)
• M4: 2,598,365 km (0.11 R)
• M5: 3,703,146 km (0.114 R)
• M6: 5,142,726 km (0.084 R)
• M7: 6,697,347 km (0.118 R)
• M8: 7,243,978 km (0.104 R)
• M9: 7,848,503 km (0.085 R)
• M10: 8,787,828 km (0.062 R)
• M11: 10,819,816 km (0.045 R)
• M12: 12,096,633 km (0.084 R)
• M13: 13,800,104 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 11.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.94 AU - 2.2 AU

Year: 1986 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,321,245 km

• M1: 141,819 km (0.098 R)
• M2: 508,483 km (0.113 R)
• M3: 940,671 km (0.106 R)
• M4: 1,361,640 km (0.111 R)
• M5: 1,799,513 km (0.1 R)
• M6: 2,192,207 km (0.077 R)
• M7: 2,771,749 km (0.072 R)
• M8: 3,234,904 km (0.084 R)
• M9: 4,338,039 km (0.07 R)
• M10: 4,878,387 km (0.108 R)
• M11: 5,845,986 km (0.106 R)
• M12: 6,453,951 km (0.103 R)
• M13: 6,827,796 km (0.095 R)
• M14: 8,314,201 km (0.111 R)
• M15: 8,854,548 km (0.115 R)
• M16: 11,292,545 km (0.095 R)
• M17: 11,955,862 km (0.12 R)
• M18: 13,619,540 km (0.117 R)
• M19: 14,597,760 km (0.078 R)
• M20: 15,432,516 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.4

Radius: 12.4

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.81 AU - 3.17 AU

Year: 3448 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,321,245 km

• M1: 156,180 km (0.094 R)
• M2: 3,117,320 km (0.03 R)
• M3: 3,839,729 km (0.099 R)
• M4: 6,021,763 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.4

Radius: 5

Gravity: 36.38 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.28 AU - 7.23 AU

Year: 10420 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,321,245 km

• M1: 62,382 km (0.028 R)
• M2: 244,742 km (0.039 R)
• M3: 475,721 km (0.095 R)
• M4: 819,198 km (0.055 R)
• M5: 1,464,713 km (0.082 R)
• M6: 1,768,696 km (0.086 R)
• M7: 2,023,461 km (0.115 R)
• M8: 2,206,718 km (0.101 R)
• M9: 3,735,309 km (0.115 R)
• M10: 5,056,408 km (0.12 R)
• M11: 5,749,196 km (0.074 R)
• M12: 8,720,957 km (0.105 R)
• M13: 9,158,681 km (0.096 R)
• M14: 13,076,649 km (0.12 R)
• M15: 13,520,955 km (0.109 R)
• M16: 13,909,909 km (0.118 R)
• M17: 18,061,400 km (0.097 R)
• M18: 19,012,842 km (0.079 R)
• M19: 19,913,721 km (0.084 R)
• M20: 21,712,186 km (0.107 R)
• M21: 23,337,567 km (0.061 R)
• M22: 26,524,899 km (0.095 R)
• M23: 34,461,665 km (0.103 R)
• M24: 37,169,685 km (0.063 R)
• M25: 41,086,457 km (0.095 R)
• M26: 41,492,615 km (0.115 R)
• M27: 41,901,466 km (0.097 R)
• M28: 44,269,151 km (0.09 R)
• M29: 47,761,364 km (0.118 R)
• M30: 53,659,260 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.6

Radius: 7.4

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.27 AU - 11.29 AU

Year: 21980 Days

Day: 16.7 Hours

Environment

Temp: -246 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,321,245 km

• M1: 336,446 km (0.117 R)
• M2: 1,915,900 km (0.069 R)
• M3: 3,464,687 km (0.053 R)
• M4: 4,591,009 km (0.093 R)
• M5: 6,063,950 km (0.098 R)
• M6: 6,351,028 km (0.096 R)
• M7: 7,040,973 km (0.116 R)
• M8: 9,685,565 km (0.099 R)
• M9: 14,829,487 km (0.096 R)
• M10: 16,829,611 km (0.065 R)
• M11: 18,061,849 km (0.062 R)
• M12: 22,701,477 km (0.078 R)
• M13: 23,095,817 km (0.077 R)
• M14: 23,595,025 km (0.09 R)
• M15: 29,807,226 km (0.102 R)
• M16: 30,638,093 km (0.117 R)
• M17: 51,847,331 km (0.041 R)
• M18: 66,094,284 km (0.112 R)
• M19: 66,495,655 km (0.103 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 20,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit