🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.3

Radius: 12.9

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.7 AU - 0.84 AU

Year: 430 Days

Day: 9.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 111.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,403,958 km

• M1: 160,369 km (0.06 R)
• M2: 608,415 km (0.085 R)
• M3: 1,325,587 km (0.1 R)
• M4: 2,097,811 km (0.111 R)
• M5: 2,826,951 km (0.059 R)
• M6: 3,251,809 km (0.099 R)
• M7: 4,086,415 km (0.107 R)
• M8: 4,505,738 km (0.111 R)
• M9: 4,983,853 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 11

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.09 AU - 1.13 AU

Year: 744 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,403,958 km

• M1: 136,882 km (0.119 R)
• M2: 513,719 km (0.104 R)
• M3: 895,942 km (0.12 R)
• M4: 1,467,854 km (0.047 R)
• M5: 1,923,978 km (0.105 R)
• M6: 2,828,447 km (0.066 R)
• M7: 3,363,559 km (0.105 R)
• M8: 3,815,793 km (0.062 R)
• M9: 4,438,120 km (0.068 R)
• M10: 5,291,576 km (0.097 R)
• M11: 5,846,135 km (0.052 R)
• M12: 6,893,171 km (0.055 R)
• M13: 7,414,968 km (0.113 R)
• M14: 8,135,132 km (0.099 R)
• M15: 8,666,504 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 10.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.89 AU - 1.45 AU

Year: 805 Days

Day: 6.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,403,958 km

• M1: 131,796 km (0.082 R)
• M2: 467,643 km (0.056 R)
• M3: 841,338 km (0.103 R)
• M4: 1,232,686 km (0.062 R)
• M5: 1,763,161 km (0.112 R)
• M6: 2,570,091 km (0.087 R)
• M7: 3,070,347 km (0.105 R)
• M8: 3,470,521 km (0.119 R)
• M9: 4,008,625 km (0.084 R)
• M10: 5,270,333 km (0.102 R)
• M11: 5,808,437 km (0.082 R)
• M12: 6,652,617 km (0.116 R)
• M13: 7,599,572 km (0.044 R)
• M14: 8,045,673 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 11.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.22 AU - 1.4 AU

Year: 953 Days

Day: 10.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,403,958 km

• M1: 140,622 km (0.065 R)
• M2: 603,777 km (0.06 R)
• M3: 1,379,741 km (0.091 R)
• M4: 1,847,235 km (0.051 R)
• M5: 2,271,344 km (0.092 R)
• M6: 2,748,711 km (0.112 R)
• M7: 3,172,821 km (0.12 R)
• M8: 3,569,106 km (0.088 R)
• M9: 4,716,073 km (0.056 R)
• M10: 5,105,925 km (0.094 R)
• M11: 5,479,172 km (0.09 R)
• M12: 5,830,577 km (0.109 R)
• M13: 6,557,473 km (0.041 R)
• M14: 7,343,909 km (0.091 R)
• M15: 8,369,103 km (0.041 R)
• M16: 9,050,073 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.5

Radius: 13.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.5 AU - 2.18 AU

Year: 1587 Days

Day: 11.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,403,958 km

• M1: 164,258 km (0.106 R)
• M2: 741,407 km (0.092 R)
• M3: 1,581,100 km (0.07 R)
• M4: 2,194,601 km (0.044 R)
• M5: 2,617,364 km (0.1 R)
• M6: 3,055,237 km (0.116 R)
• M7: 3,937,566 km (0.113 R)
• M8: 4,413,436 km (0.11 R)
• M9: 4,854,451 km (0.109 R)
• M10: 5,888,322 km (0.085 R)
• M11: 6,535,781 km (0.09 R)
• M12: 7,820,977 km (0.089 R)
• M13: 8,496,860 km (0.059 R)
• M14: 9,183,364 km (0.103 R)
• M15: 10,175,946 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.8

Radius: 14.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.32 AU - 4.3 AU

Year: 4728 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,403,958 km

• M1: 177,872 km (0.068 R)
• M2: 806,183 km (0.041 R)
• M3: 1,791,584 km (0.088 R)
• M4: 2,267,156 km (0.105 R)
• M5: 3,676,517 km (0.112 R)
• M6: 4,636,936 km (0.102 R)
• M7: 5,462,417 km (0.112 R)
• M8: 6,481,777 km (0.118 R)
• M9: 7,478,996 km (0.11 R)
• M10: 7,996,006 km (0.078 R)
• M11: 9,778,315 km (0.091 R)
• M12: 11,763,629 km (0.075 R)
• M13: 12,413,631 km (0.108 R)
• M14: 13,299,699 km (0.113 R)
• M15: 15,081,709 km (0.116 R)
• M16: 15,849,446 km (0.098 R)
• M17: 17,018,104 km (0.078 R)
• M18: 18,911,864 km (0.101 R)
• M19: 19,735,101 km (0.091 R)
• M20: 20,942,356 km (0.089 R)
• M21: 23,897,362 km (0.044 R)
• M22: 25,433,284 km (0.104 R)
• M23: 26,606,430 km (0.103 R)
• M24: 28,611,790 km (0.116 R)
• M25: 29,423,208 km (0.116 R)
• M26: 29,972,681 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.1

Radius: 3.6

Gravity: 34.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.04 AU - 10.02 AU

Year: 18706 Days

Day: 23.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,403,958 km

• M1: 141,071 km (0.059 R)
• M2: 367,113 km (0.108 R)
• M3: 683,213 km (0.106 R)
• M4: 942,766 km (0.119 R)
• M5: 1,772,585 km (0.074 R)
• M6: 2,006,257 km (0.04 R)
• M7: 3,803,227 km (0.116 R)
• M8: 4,284,932 km (0.108 R)
• M9: 4,443,506 km (0.078 R)
• M10: 7,453,415 km (0.051 R)
• M11: 8,156,226 km (0.088 R)
• M12: 10,077,062 km (0.084 R)
• M13: 15,218,292 km (0.043 R)
• M14: 19,272,095 km (0.063 R)
• M15: 20,949,387 km (0.077 R)
• M16: 29,196,268 km (0.096 R)
• M17: 29,766,386 km (0.072 R)
• M18: 33,096,734 km (0.092 R)
• M19: 36,403,894 km (0.107 R)
• M20: 36,931,376 km (0.054 R)
• M21: 37,866,961 km (0.112 R)
• M22: 44,711,064 km (0.102 R)
• M23: 48,264,163 km (0.107 R)
• M24: 54,711,232 km (0.108 R)
• M25: 55,925,967 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 18,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit