🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.46 AU - 0.56 AU

Year: 235 Days

Day: 44.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 149.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 8.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.92 AU - 0.94 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,928,332 km

• M1: 102,026 km (0.12 R)
• M2: 398,978 km (0.082 R)
• M3: 772,374 km (0.117 R)
• M4: 1,043,445 km (0.065 R)
• M5: 1,361,191 km (0.103 R)
• M6: 1,658,592 km (0.068 R)
• M7: 2,015,383 km (0.078 R)
• M8: 2,477,640 km (0.057 R)
• M9: 3,158,460 km (0.075 R)
• M10: 3,426,689 km (0.059 R)
• M11: 4,217,762 km (0.09 R)
• M12: 4,488,385 km (0.042 R)
• M13: 4,770,676 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.9

Radius: 8.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.1 AU - 1.2 AU

Year: 796 Days

Day: 12.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,928,332 km

• M1: 148,551 km (0.083 R)
• M2: 427,850 km (0.108 R)
• M3: 731,534 km (0.118 R)
• M4: 1,505,703 km (0.057 R)
• M5: 1,828,684 km (0.119 R)
• M6: 2,257,731 km (0.083 R)
• M7: 3,278,587 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 14.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.82 AU - 2.59 AU

Year: 2107 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,928,332 km

• M1: 181,612 km (0.064 R)
• M2: 637,586 km (0.104 R)
• M3: 1,205,011 km (0.118 R)
• M4: 2,368,583 km (0.11 R)
• M5: 3,113,281 km (0.105 R)
• M6: 3,622,512 km (0.114 R)
• M7: 4,151,640 km (0.104 R)
• M8: 5,650,012 km (0.076 R)
• M9: 6,269,946 km (0.09 R)
• M10: 7,351,090 km (0.099 R)
• M11: 8,148,297 km (0.113 R)
• M12: 9,155,390 km (0.103 R)
• M13: 9,657,440 km (0.059 R)
• M14: 10,820,115 km (0.102 R)
• M15: 11,779,187 km (0.111 R)
• M16: 12,871,850 km (0.044 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 10.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.95 AU - 3.41 AU

Year: 3661 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,928,332 km

• M1: 128,205 km (0.073 R)
• M2: 586,573 km (0.117 R)
• M3: 931,097 km (0.099 R)
• M4: 1,390,961 km (0.062 R)
• M5: 1,999,376 km (0.057 R)
• M6: 2,899,805 km (0.056 R)
• M7: 3,319,128 km (0.089 R)
• M8: 3,647,944 km (0.074 R)
• M9: 4,652,494 km (0.113 R)
• M10: 5,568,482 km (0.074 R)
• M11: 6,126,930 km (0.034 R)
• M12: 8,224,891 km (0.067 R)
• M13: 9,343,584 km (0.057 R)
• M14: 10,932,164 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.8

Radius: 4.6

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.01 AU - 10.11 AU

Year: 17608 Days

Day: 15.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,928,332 km

• M1: 63,429 km (0.109 R)
• M2: 233,522 km (0.12 R)
• M3: 1,034,469 km (0.031 R)
• M4: 1,307,186 km (0.072 R)
• M5: 1,552,975 km (0.076 R)
• M6: 1,733,540 km (0.114 R)
• M7: 2,137,006 km (0.117 R)
• M8: 2,922,394 km (0.113 R)
• M9: 4,755,567 km (0.053 R)
• M10: 5,040,551 km (0.111 R)
• M11: 5,404,223 km (0.058 R)
• M12: 6,110,026 km (0.098 R)
• M13: 6,561,961 km (0.108 R)
• M14: 7,157,809 km (0.118 R)
• M15: 7,659,860 km (0.086 R)
• M16: 8,319,886 km (0.116 R)
• M17: 8,687,148 km (0.04 R)
• M18: 10,794,234 km (0.093 R)
• M19: 11,230,911 km (0.084 R)
• M20: 11,793,249 km (0.065 R)
• M21: 12,023,330 km (0.1 R)
• M22: 13,845,881 km (0.056 R)
• M23: 14,101,993 km (0.115 R)
• M24: 14,822,606 km (0.064 R)
• M25: 15,158,154 km (0.045 R)
• M26: 16,266,076 km (0.079 R)
• M27: 17,131,649 km (0.091 R)
• M28: 18,256,326 km (0.107 R)
• M29: 19,190,714 km (0.115 R)
• M30: 24,252,358 km (0.117 R)
• M31: 28,455,759 km (0.098 R)
• M32: 31,439,040 km (0.086 R)
• M33: 33,463,099 km (0.038 R)
• M34: 36,537,634 km (0.049 R)
• M35: 39,537,969 km (0.099 R)
• M36: 46,450,737 km (0.069 R)
• M37: 48,480,182 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 379.3

Radius: 5.5

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.31 AU - 9.61 AU

Year: 18787 Days

Day: 17.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,928,332 km

• M1: 68,366 km (0.063 R)
• M2: 247,136 km (0.1 R)
• M3: 714,479 km (0.103 R)
• M4: 1,439,580 km (0.108 R)
• M5: 2,298,721 km (0.098 R)
• M6: 4,254,713 km (0.045 R)
• M7: 9,494,229 km (0.114 R)
• M8: 13,324,084 km (0.071 R)
• M9: 15,760,285 km (0.102 R)
• M10: 18,642,288 km (0.086 R)
• M11: 19,392,970 km (0.108 R)
• M12: 26,657,892 km (0.078 R)
• M13: 26,867,478 km (0.12 R)
• M14: 28,584,413 km (0.109 R)
• M15: 29,469,733 km (0.096 R)
• M16: 29,806,329 km (0.105 R)
• M17: 31,411,514 km (0.113 R)
• M18: 34,543,495 km (0.099 R)
• M19: 35,294,775 km (0.063 R)
• M20: 38,542,545 km (0.064 R)
• M21: 40,307,501 km (0.1 R)
• M22: 58,326,564 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 16,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit