🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.6

Radius: 12.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.92 AU

Year: 459 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,089,809 km

• M1: 153,637 km (0.076 R)
• M2: 550,371 km (0.09 R)
• M3: 1,047,335 km (0.07 R)
• M4: 1,650,214 km (0.044 R)
• M5: 2,144,336 km (0.05 R)
• M6: 3,077,228 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.9

Radius: 12.1

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.38 AU - 1.68 AU

Year: 1262 Days

Day: 7.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,089,809 km

• M1: 150,495 km (0.074 R)
• M2: 549,623 km (0.06 R)
• M3: 1,552,078 km (0.061 R)
• M4: 2,712,359 km (0.092 R)
• M5: 3,523,479 km (0.107 R)
• M6: 4,138,326 km (0.077 R)
• M7: 6,894,966 km (0.072 R)
• M8: 8,154,879 km (0.063 R)
• M9: 8,854,249 km (0.12 R)
• M10: 9,472,088 km (0.088 R)
• M11: 10,501,172 km (0.089 R)
• M12: 11,295,387 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 10.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.56 AU - 1.8 AU

Year: 1452 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,089,809 km

• M1: 133,292 km (0.072 R)
• M2: 696,528 km (0.069 R)
• M3: 1,218,923 km (0.088 R)
• M4: 1,597,855 km (0.055 R)
• M5: 2,109,629 km (0.104 R)
• M6: 3,081,417 km (0.085 R)
• M7: 3,495,653 km (0.097 R)
• M8: 3,913,480 km (0.109 R)
• M9: 4,382,769 km (0.111 R)
• M10: 4,716,073 km (0.095 R)
• M11: 5,732,740 km (0.098 R)
• M12: 6,550,891 km (0.111 R)
• M13: 7,814,394 km (0.099 R)
• M14: 9,173,641 km (0.097 R)
• M15: 10,717,640 km (0.084 R)
• M16: 12,029,165 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 11.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.19 AU - 2.27 AU

Year: 2221 Days

Day: 12.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,089,809 km

• M1: 147,952 km (0.119 R)
• M2: 629,657 km (0.109 R)
• M3: 1,560,156 km (0.072 R)
• M4: 2,158,548 km (0.112 R)
• M5: 3,202,442 km (0.082 R)
• M6: 4,314,552 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 14.9

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.5 AU - 5.36 AU

Year: 6218 Days

Day: 8.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,089,809 km

• M1: 188,045 km (0.093 R)
• M2: 1,056,610 km (0.076 R)
• M3: 1,603,390 km (0.067 R)
• M4: 2,473,601 km (0.111 R)
• M5: 3,257,494 km (0.117 R)
• M6: 3,777,047 km (0.1 R)
• M7: 4,427,947 km (0.104 R)
• M8: 5,152,899 km (0.113 R)
• M9: 6,570,638 km (0.067 R)
• M10: 7,085,404 km (0.1 R)
• M11: 9,987,453 km (0.091 R)
• M12: 10,623,693 km (0.114 R)
• M13: 11,094,477 km (0.111 R)
• M14: 12,748,282 km (0.118 R)
• M15: 13,994,731 km (0.096 R)
• M16: 14,618,854 km (0.065 R)
• M17: 16,416,122 km (0.036 R)
• M18: 19,382,499 km (0.08 R)
• M19: 20,809,213 km (0.119 R)
• M20: 24,845,663 km (0.11 R)
• M21: 25,593,653 km (0.103 R)
• M22: 26,787,144 km (0.097 R)
• M23: 30,401,878 km (0.095 R)
• M24: 30,970,798 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.4

Radius: 9.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.02 AU - 6.42 AU

Year: 7953 Days

Day: 8.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,089,809 km

• M1: 245,490 km (0.087 R)
• M2: 859,290 km (0.095 R)
• M3: 1,269,188 km (0.074 R)
• M4: 1,755,980 km (0.079 R)
• M5: 2,589,240 km (0.116 R)
• M6: 3,686,241 km (0.098 R)
• M7: 7,192,067 km (0.074 R)
• M8: 8,582,729 km (0.106 R)
• M9: 9,934,495 km (0.05 R)
• M10: 11,149,978 km (0.075 R)
• M11: 13,054,509 km (0.12 R)
• M12: 14,031,083 km (0.108 R)
• M13: 14,564,250 km (0.098 R)
• M14: 15,784,969 km (0.085 R)
• M15: 16,071,598 km (0.07 R)
• M16: 26,704,566 km (0.085 R)
• M17: 27,193,901 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.7

Radius: 3.7

Gravity: 48.77 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.99 AU - 9.97 AU

Year: 19464 Days

Day: 16.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,089,809 km

• M1: 46,076 km (0.081 R)
• M2: 240,553 km (0.046 R)
• M3: 422,764 km (0.094 R)
• M4: 771,626 km (0.039 R)
• M5: 1,006,943 km (0.081 R)
• M6: 2,188,467 km (0.115 R)
• M7: 2,854,776 km (0.111 R)
• M8: 4,370,951 km (0.062 R)
• M9: 11,320,968 km (0.082 R)
• M10: 11,576,182 km (0.087 R)
• M11: 12,164,551 km (0.045 R)
• M12: 12,432,331 km (0.118 R)
• M13: 12,567,717 km (0.086 R)
• M14: 12,841,481 km (0.101 R)
• M15: 15,175,806 km (0.107 R)
• M16: 15,564,462 km (0.115 R)
• M17: 20,474,264 km (0.057 R)
• M18: 25,010,071 km (0.082 R)
• M19: 26,997,479 km (0.11 R)
• M20: 27,913,616 km (0.117 R)
• M21: 29,206,890 km (0.104 R)
• M22: 34,378,937 km (0.058 R)
• M23: 35,863,696 km (0.088 R)
• M24: 72,545,692 km (0.215 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 19,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit