🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794

Radius: 15

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 368 Days

Day: 8.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,685,133 km

• M1: 186,549 km (0.103 R)
• M2: 711,039 km (0.1 R)
• M3: 1,304,344 km (0.049 R)
• M4: 1,799,812 km (0.101 R)
• M5: 3,124,800 km (0.064 R)
• M6: 4,153,734 km (0.109 R)
• M7: 4,849,813 km (0.056 R)
• M8: 5,382,681 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 8.4

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2 AU - 2.18 AU

Year: 2124 Days

Day: 9.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,685,133 km

• M1: 104,419 km (0.109 R)
• M2: 802,293 km (0.032 R)
• M3: 1,242,261 km (0.068 R)
• M4: 1,704,219 km (0.086 R)
• M5: 2,832,037 km (0.103 R)
• M6: 3,216,504 km (0.031 R)
• M7: 4,712,483 km (0.06 R)
• M8: 6,986,969 km (0.051 R)
• M9: 7,630,987 km (0.101 R)
• M10: 8,345,766 km (0.092 R)
• M11: 9,036,759 km (0.111 R)
• M12: 9,483,308 km (0.088 R)
• M13: 10,346,338 km (0.111 R)
• M14: 10,950,115 km (0.08 R)
• M15: 11,339,369 km (0.093 R)
• M16: 12,478,258 km (0.079 R)
• M17: 16,706,492 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.9

Radius: 10.4

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.26 AU - 3.64 AU

Year: 3562 Days

Day: 11.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,685,133 km

• M1: 129,402 km (0.088 R)
• M2: 501,302 km (0.061 R)
• M3: 901,178 km (0.058 R)
• M4: 1,367,773 km (0.09 R)
• M5: 1,958,984 km (0.093 R)
• M6: 2,320,861 km (0.08 R)
• M7: 3,501,039 km (0.055 R)
• M8: 4,242,745 km (0.086 R)
• M9: 6,379,003 km (0.108 R)
• M10: 8,681,763 km (0.065 R)
• M11: 9,087,023 km (0.056 R)
• M12: 9,801,503 km (0.108 R)
• M13: 11,714,411 km (0.072 R)
• M14: 12,209,729 km (0.095 R)
• M15: 14,461,776 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 13.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.6 AU - 4.5 AU

Year: 5729 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,685,133 km

• M1: 166,652 km (0.026 R)
• M2: 665,411 km (0.027 R)
• M3: 1,365,679 km (0.113 R)
• M4: 1,947,016 km (0.084 R)
• M5: 3,242,983 km (0.118 R)
• M6: 3,700,752 km (0.106 R)
• M7: 4,601,182 km (0.12 R)
• M8: 5,926,469 km (0.081 R)
• M9: 6,492,099 km (0.086 R)
• M10: 6,996,244 km (0.06 R)
• M11: 8,119,275 km (0.104 R)
• M12: 8,667,850 km (0.106 R)
• M13: 9,280,454 km (0.105 R)
• M14: 10,169,514 km (0.117 R)
• M15: 11,248,114 km (0.088 R)
• M16: 11,977,554 km (0.089 R)
• M17: 13,279,803 km (0.025 R)
• M18: 14,251,441 km (0.038 R)
• M19: 15,215,151 km (0.109 R)
• M20: 18,554,774 km (0.074 R)
• M21: 20,295,644 km (0.112 R)
• M22: 20,899,421 km (0.102 R)
• M23: 25,390,349 km (0.059 R)

Asteroid Belt

Center: 5.28 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405.7

Radius: 5.1

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.33 AU - 6.67 AU

Year: 11649 Days

Day: 24.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,685,133 km

• M1: 63,878 km (0.112 R)
• M2: 285,882 km (0.111 R)
• M3: 556,953 km (0.111 R)
• M4: 836,551 km (0.096 R)
• M5: 1,061,397 km (0.078 R)
• M6: 2,088,237 km (0.073 R)
• M7: 3,676,218 km (0.049 R)
• M8: 3,880,120 km (0.048 R)
• M9: 4,064,724 km (0.105 R)
• M10: 4,255,311 km (0.107 R)
• M11: 4,509,029 km (0.094 R)
• M12: 4,802,690 km (0.113 R)
• M13: 5,428,159 km (0.118 R)
• M14: 6,726,219 km (0.089 R)
• M15: 7,671,080 km (0.03 R)
• M16: 8,656,630 km (0.102 R)
• M17: 9,869,271 km (0.079 R)
• M18: 10,114,761 km (0.075 R)
• M19: 16,466,686 km (0.11 R)
• M20: 19,291,543 km (0.113 R)
• M21: 22,677,541 km (0.056 R)
• M22: 24,600,023 km (0.117 R)
• M23: 26,157,936 km (0.112 R)
• M24: 43,373,958 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.6

Radius: 7.7

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.25 AU - 9.29 AU

Year: 19839 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,685,133 km

• M1: 97,089 km (0.093 R)
• M2: 481,705 km (0.088 R)
• M3: 1,252,882 km (0.117 R)
• M4: 1,699,581 km (0.102 R)
• M5: 2,169,020 km (0.11 R)
• M6: 2,413,462 km (0.104 R)
• M7: 4,198,913 km (0.106 R)
• M8: 5,127,317 km (0.077 R)
• M9: 8,831,211 km (0.092 R)
• M10: 9,353,158 km (0.118 R)
• M11: 10,458,537 km (0.092 R)
• M12: 12,404,506 km (0.066 R)
• M13: 14,796,127 km (0.118 R)
• M14: 15,985,430 km (0.063 R)
• M15: 17,237,265 km (0.087 R)
• M16: 18,722,323 km (0.063 R)
• M17: 20,560,283 km (0.08 R)
• M18: 23,985,625 km (0.109 R)
• M19: 25,728,141 km (0.063 R)
• M20: 30,274,271 km (0.106 R)
• M21: 34,047,578 km (0.071 R)
• M22: 37,041,779 km (0.087 R)
• M23: 40,490,309 km (0.07 R)
• M24: 42,806,384 km (0.066 R)
• M25: 48,337,316 km (0.11 R)
• M26: 51,606,927 km (0.103 R)
• M27: 54,153,681 km (0.089 R)
• M28: 58,946,947 km (0.089 R)
• M29: 62,294,947 km (0.102 R)
• M30: 63,055,802 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.9

Radius: 3.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.43 AU - 11.25 AU

Year: 23372 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,685,133 km

• M1: 46,525 km (0.051 R)
• M2: 2,378,008 km (0.109 R)
• M3: 2,724,476 km (0.077 R)
• M4: 10,597,962 km (0.108 R)
• M5: 11,290,151 km (0.118 R)
• M6: 27,153,061 km (0.091 R)
• M7: 28,794,897 km (0.094 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 15,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit