🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.5

Radius: 9.9

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.04 AU - 1.3 AU

Year: 858 Days

Day: 7.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,021,348 km

• M1: 123,119 km (0.081 R)
• M2: 502,200 km (0.066 R)
• M3: 921,672 km (0.106 R)
• M4: 1,421,778 km (0.098 R)
• M5: 2,188,766 km (0.053 R)
• M6: 2,671,369 km (0.09 R)
• M7: 3,049,253 km (0.046 R)
• M8: 3,623,709 km (0.093 R)
• M9: 4,437,222 km (0.068 R)
• M10: 6,467,714 km (0.055 R)
• M11: 6,873,424 km (0.056 R)
• M12: 8,324,374 km (0.113 R)
• M13: 8,859,635 km (0.037 R)
• M14: 9,247,841 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 14.7

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.92 AU - 2.84 AU

Year: 2490 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,021,348 km

• M1: 182,809 km (0.045 R)
• M2: 650,302 km (0.077 R)
• M3: 1,290,880 km (0.076 R)
• M4: 1,825,842 km (0.088 R)
• M5: 2,551,840 km (0.11 R)
• M6: 3,553,697 km (0.102 R)
• M7: 4,566,924 km (0.05 R)
• M8: 5,096,051 km (0.053 R)
• M9: 5,740,220 km (0.072 R)
• M10: 7,789,112 km (0.1 R)
• M11: 9,252,329 km (0.079 R)
• M12: 12,506,232 km (0.074 R)
• M13: 14,136,550 km (0.077 R)
• M14: 16,610,749 km (0.041 R)
• M15: 18,303,449 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 8.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.47 AU - 2.51 AU

Year: 2665 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,021,348 km

• M1: 100,829 km (0.109 R)
• M2: 363,074 km (0.118 R)
• M3: 1,506,600 km (0.07 R)
• M4: 2,070,883 km (0.11 R)
• M5: 2,358,111 km (0.04 R)
• M6: 2,658,504 km (0.079 R)
• M7: 2,984,328 km (0.071 R)
• M8: 4,804,635 km (0.091 R)
• M9: 5,203,313 km (0.115 R)
• M10: 6,918,453 km (0.069 R)
• M11: 7,372,781 km (0.11 R)
• M12: 8,580,934 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 9.6

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.6 AU - 5.38 AU

Year: 7560 Days

Day: 14.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,021,348 km

• M1: 119,529 km (0.088 R)
• M2: 989,440 km (0.057 R)
• M3: 1,691,802 km (0.099 R)
• M4: 2,548,549 km (0.104 R)
• M5: 3,101,912 km (0.066 R)
• M6: 3,407,690 km (0.094 R)
• M7: 3,775,701 km (0.059 R)
• M8: 4,739,111 km (0.12 R)
• M9: 6,759,879 km (0.102 R)
• M10: 8,463,948 km (0.092 R)
• M11: 9,065,182 km (0.115 R)
• M12: 15,379,259 km (0.088 R)
• M13: 18,726,811 km (0.102 R)
• M14: 21,074,600 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.1

Radius: 14.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 5.39 AU - 5.59 AU

Year: 8725 Days

Day: 9.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,021,348 km

• M1: 186,848 km (0.083 R)
• M2: 658,081 km (0.075 R)
• M3: 1,339,051 km (0.119 R)
• M4: 2,021,815 km (0.1 R)
• M5: 2,931,819 km (0.062 R)
• M6: 3,625,205 km (0.056 R)
• M7: 4,402,665 km (0.077 R)
• M8: 6,383,640 km (0.066 R)
• M9: 6,985,173 km (0.093 R)
• M10: 13,200,367 km (0.083 R)
• M11: 14,022,108 km (0.05 R)
• M12: 15,374,173 km (0.113 R)
• M13: 16,634,535 km (0.116 R)
• M14: 18,844,245 km (0.086 R)
• M15: 24,596,882 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.3

Radius: 8.2

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.4 AU - 6.82 AU

Year: 9012 Days

Day: 11.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,021,348 km

• M1: 102,026 km (0.089 R)
• M2: 363,373 km (0.118 R)
• M3: 664,514 km (0.09 R)
• M4: 1,056,311 km (0.062 R)
• M5: 1,323,941 km (0.058 R)
• M6: 1,597,406 km (0.104 R)
• M7: 2,416,903 km (0.095 R)
• M8: 3,289,657 km (0.049 R)
• M9: 8,805,929 km (0.077 R)
• M10: 9,287,036 km (0.112 R)
• M11: 10,737,238 km (0.119 R)
• M12: 11,337,275 km (0.085 R)
• M13: 14,139,093 km (0.098 R)
• M14: 15,043,711 km (0.119 R)
• M15: 16,505,133 km (0.08 R)
• M16: 18,550,435 km (0.118 R)
• M17: 19,050,990 km (0.06 R)
• M18: 22,566,988 km (0.097 R)
• M19: 24,648,344 km (0.031 R)
• M20: 25,166,251 km (0.099 R)
• M21: 27,772,695 km (0.103 R)
• M22: 29,963,706 km (0.112 R)
• M23: 31,960,538 km (0.087 R)
• M24: 32,679,954 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.6

Radius: 5.3

Gravity: 34.94 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.15 AU - 12.55 AU

Year: 22584 Days

Day: 19.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 63.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,021,348 km

• M1: 65,973 km (0.102 R)
• M2: 234,719 km (0.086 R)
• M3: 514,617 km (0.12 R)
• M4: 1,718,580 km (0.12 R)
• M5: 2,677,503 km (0.047 R)
• M6: 3,198,402 km (0.105 R)
• M7: 3,529,463 km (0.116 R)
• M8: 3,916,323 km (0.112 R)
• M9: 4,475,519 km (0.068 R)
• M10: 5,247,594 km (0.096 R)
• M11: 6,195,297 km (0.051 R)
• M12: 8,038,342 km (0.087 R)
• M13: 8,368,206 km (0.1 R)
• M14: 8,821,936 km (0.028 R)
• M15: 9,351,961 km (0.091 R)
• M16: 9,533,124 km (0.096 R)
• M17: 12,108,751 km (0.113 R)
• M18: 17,462,410 km (0.036 R)
• M19: 22,651,362 km (0.118 R)
• M20: 23,979,641 km (0.081 R)
• M21: 28,908,891 km (0.093 R)
• M22: 29,165,302 km (0.11 R)
• M23: 30,470,094 km (0.098 R)
• M24: 31,813,184 km (0.11 R)
• M25: 32,361,311 km (0.087 R)
• M26: 35,051,230 km (0.112 R)
• M27: 40,549,849 km (0.072 R)
• M28: 43,839,656 km (0.088 R)
• M29: 44,860,213 km (0.059 R)
• M30: 56,350,077 km (0.11 R)
• M31: 57,961,845 km (0.076 R)
• M32: 77,767,107 km (0.058 R)
• M33: 78,511,805 km (0.034 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: 186 - 19,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit